Sneezewort (Achillea ptarmica) Flower, Leaf, Care, Uses

Moisture-loving, keep the soil moist but do not let water accumulate.

Fertilization

Fertilization once every 2-3 months during the growing season.

Pruning

Trim the dead, diseased, overgrown branches in winter.

Soil

Sand, Loam, Chalky, Clay, Acidic

Sunlight

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Full sun, Partial sun

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Sneezewort

Water

Every week

Hardiness Zones

4 to 9

Harvest Time

Fall

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Questions About Sneezewort

Watering

Pruning

Sunlight

Temperature

Fertilizing

What is the best way to water my Sneezewort?

When watering the Sneezewort, you should aim to use filtered water that is at room temperature. Filtered water is better for this plant, as tap water can contain particles that are harmful to its health. The reason that the water should be at room temperature or slightly warmer is that the Sneezewort comes from a warm environment, and cold water can be somewhat of a shock to its system. Also, you should avoid overhead watering for this plant, as it can cause foliage complications. Instead, simply apply your filtered room temperature water to the soil until the soil is entirely soaked. Soaking the soil can be very beneficial for this plant as it moistens the roots and helps them continue to spread through the soil and collect the nutrients they need.

What should I do if I water my Sneezewort too much or too little?

Both overwatering and underwatering will be detrimental to the health of your Sneezewort, but overwatering is a far more common issue. When this species receives too much water, its stems and leaves may begin to wilt and turn from green to yellow. Overwatering over a prolonged period may also lead to diseases such as root rot, mold, and mildew, all of which can kill your plant. Underwatering is far less common for the Sneezewort, as this plant has decent drought tolerance. However, underwatering remains a possibility, and when it occurs, you can expect to find that the leaves of your Sneezewort have become brittle and brown.

It is crucial that you notice the signs of overwatering as soon as possible when caring for your Sneezewort. Some of the diseases that arise from overwatering, such as root rot, may not be correctable if you wait too long. If you see early signs of overwatering, you should reduce your watering schedule immediately. You may also want to assess the quality of soil in which your Sneezewort grows. If you find that the soil drains very poorly, you should replace it immediately with a loose, well-draining potting mix. On the other hand, if you find signs that your Sneezewort is receiving too little water, all you need to do is water more regularly until those signs have subsided.

How often should I water my Sneezewort?

If your plant is in a pot. The most precise way to decide whether your Sneezewort needs water is to plunge your finger into the soil. If you notice that the first two to three inches of soil have become dry, it is time to add some water.

If you grow your Sneezewort outdoors in the ground, you can use a similar method to test the soil. Again, when you find that the first few inches of soil have dried out, it is time to add water. During the spring and early fall, this method will often lead you to water this plant about once every week. When extremely hot weather arrives, you may need to increase your watering frequency to about twice or more per week. With that said, mature, well-established the Sneezewort can show an admirable ability to withstand drought.

How much water does my Sneezewort need?

When it comes time to water your Sneezewort, you should not be shy about how much water you give. With the first two to three inches of soil dry, this plant will appreciate a long and thorough watering. Supply enough water to soak the soil entirely. The amount of water you add should be enough to cause excess water to flow through the drainage holes at the bottom of your pot. If you don’t see excess water draining from the pot, you have likely underwatered your plant. But do not let the water accumulate inside the soil, which will be very dangerous to the plant as well. Alternatively, a lack of water draining through the pot could indicate poorly draining soils, which is detrimental to the health of this plant and should be avoided. If the plant is outside, 1 inch of rain per week will be sufficient.

How should I water my Sneezewort at different growth stages?

The water needs of the Sneezewort can change depending on growth stages as well. For example, when your Sneezewort is in the first few years of its life, or if you have just transplanted it to a new growing location, you will need to give more water than usual. During both of those stages, your Sneezewort will put a lot of energy towards sprouting new roots that will then support future growth. For those roots to perform their best, they need a bit more moisture than they would at a more mature phase. After a few seasons, your Sneezewort will need much less water. Another growth stage in which this plant may need more water is during the bloom period. Flower development can make use of a significant amount of moisture, which is why you might need to give your Sneezewort more water at this time.

How should I water my Sneezewort through the seasons?

The Sneezewort will have its highest water needs during the hottest months of the year. During the height of summer, you may need to give this plant water more than once per week, depending on how fast the soil dries out. The opposite is true during the winter. In winter, your plant will enter a dormant phase, in which it will need far less water than usual. In fact, you may not need to water this plant at all during the winter months. However, if you do water during winter, you should not do so more than about once per month. Watering too much at this time will make it more likely that your Sneezewort will contract a disease.

What's the difference between watering my Sneezewort indoors and outdoors?

It is most common to grow the Sneezewort indoors for any gardener that does not live in temperate and tropical regions. Those gardeners should consider the fact that soil in a container can dry out a bit faster than ground soil. Also, the presence of drying elements such as air conditioning units can cause your Sneezewort to need water on a more frequent basis as well. if you planted it outside. When that is the case, it’s likely you won’t need to water your Sneezewort very much at all. If you receive rainfall on a regular basis, that may be enough to keep your plant alive. Alternatively, those who grow this plant inside will need to water it more often, as allowing rainwater to soak the soil will not be an option.

Do I need to prune my Sneezewort?

Far from damaging the plant, regular pruning will actually encourage Sneezewort to produce more blooms. There are two primary forms of pruning for Sneezewort. The first is deadheading, which is the gardening term for removing spent flower heads once they start to wither. This concentrates the nutrients for the other flowers and allows the plant to flower better. The final process for pruning Sneezewort is the removal of yellow and diseased leaves, which increases plant ventilation and light penetration and facilitates plant growth. When nature runs its course, Sneezewort will bloom once, produce seed heads, and attempt to reproduce for the rest of the year. But, by consistently removing flower heads before they go to seed, you encourage the plant to continue producing more blooms for a longer flowering time. When the plant starts to wilt during the full, you should cut off the wilted part above the soil as well.

When is the best time to prune my Sneezewort?

There are two primary forms of pruning for Sneezewort. The first is deadheading, which is the gardening term for removing spent flower heads once they start to wither. This concentrates the nutrients for the other flowers and allows the plant to flower better. The final process for pruning Sneezewort is the removal of yellow and diseased leaves, which increases plant ventilation and light penetration and facilitates plant growth. Since Sneezewort requires two types of pruning, you’ll be trimming your plants throughout the growing season. Pinching is most effective in the early spring before the plant develops any flower buds. Removal of yellowing or diseased leaves can be done at any time during the growing season. When nature runs its course, Sneezewort will bloom once, produce seed heads, and attempt to reproduce for the rest of the year. But, by consistently removing flower heads before they go to seed, you encourage the plant to continue producing more blooms for a longer flowering time. Finally, deadheading takes place as soon as the plants are producing full flower heads. Expect to take off spent blossoms from mid-summer through the first frosts of fall. When the plant starts to wilt during the full, you should cut off the wilted part above the soil as well.

What tools should I prepare for pruning my Sneezewort?

Sneezewort doesn’t take much special equipment for pruning. A basic pair of scissors or garden shears should do the trick. It’s a good idea to ensure they are clean before use—you can soak them for thirty minutes in a solution of one part bleach diluted in nine parts water. This reduces the risk of spreading disease lingering on contaminated equipment into your flower garden. Some gardeners avoid using tools altogether and merely pinch off the blossoms with their fingertips. That can be a faster technique, but you run a larger risk of bruising the plant stems or accidentally pulling them out of the ground completely.

Are there any instructions for pruning my Sneezewort?

Here’s an overview of pruning instructions for Sneezewort based on which of the two types you’re completing. By completing these two types of pruning over the lifespan of your Sneezewort, you’ll encourage them to produce bigger, better flowers for far longer than the plants would otherwise. It only takes a few minutes to complete each step of the pruning process, and you’ll reap the rewards of your efforts for weeks to come. Deadheading Deadheading is a fast, easy way to refresh your garden by removing old flowers and providing space for new ones to take their place. You can use your fingers to pop off old flower heads as soon as they look tired, although you’re less likely to damage the plant if you use shears instead. When deadheading, make sure you cut well below the flower so that you aren’t left with a long, flowerless stem sticking out in your garden bed. Instead, cut the stem to just above the point where the side stem joins the main plant. Remove yellow and diseased leaves, this increases the ventilation and light penetration of the plant and facilitates its growth. When pruning, the leaves need to be trimmed off together with the petiole. It is best to use sterilised scissors to cut them off. Note: It’s a good idea to ensure scissors or garden shears are clean before use—you can soak them for thirty minutes in a solution of one part bleach diluted in nine parts water. This reduces the risk of spreading disease lingering on contaminated equipment into your flower garden.

What type of sunlight does Sneezewort need?

Sneezewort needs full sun every day, and these plants rely on a minimum of six hours of sunlight to keep their leaves, roots, and blooms in a healthy state. Even though most perennials need six hours of sunlight a day, plants like the Orange Daylily or Giant Coreopsis could live off less sun for a minimum of three hours daily. Even though these perennial flowering plants can live with only three hours of direct sunlight, they won't be able to thrive like they would in sunnier conditions.

Can sunlight damage Sneezewort? How to protect Sneezewort from the sun and heat damage?

The few Perennial Flowering Plants that don't like excessive heat in warm climates might react poorly to too much sun if they have heat damage. These plants may wilt or dry out from too much sun and may also develop growth issues if they're regularly in the sun during the most intense heat of the day. Some plants don't need protection from the light afternoon sun, but those that are harmed by intense afternoon exposure should be provided some shade in warmer climates. Gardeners could give these plants plenty of shade by planting them in spots that don't receive direct heat during the afternoon, like under trees or behind bushes.

Should I protect Sneezewort from sun exposure?

While many perennial plants need plenty of sun to bloom to their fullest extent, some of them benefit from less sun in warmer climates. For example, people who live in hotter climates might want to provide shade for their flowering perennials in the hot afternoon sun, and this is even more true for months in the summer.

Even though some perennial flowering plants will benefit from partially shaded in the hottest climates, plants like the Giant Coreopsis aren't intimidated by too much sun. They might sit outside in the full sun in hot weather and still thrive.

What will happen if Sneezewort gets inadequate sunlight?

If you're growing Sneezewort and you aren't getting enough sunlight, you'll notice signs of inadequate requirements in your plants. Most plants won't produce as many blooms as they would if they had full sun exposure. Some plants will develop dry spots on their leaves, but most of these plants will still bloom in the inadequate sun. Even though they bloom, the flowers will be smaller and less full.

Does Sneezewort need special care about sunlight during its different growth stages?

Sneezewort is great flowers in gardens and will have optimum blooming if it gets six hours of sunlight a day minimum. Sometimes, flowers stay fresh longer if they're partially shaded during the really hot parts of the day. When Sneezewort is young, gardeners want to ensure their younger plants are getting plenty of sunlight but don't have to endure intense heat during the afternoon sunlight. If you have a fully mature plant, provide it with plenty of sun so it may keep up its growth properly.

How much light does Sneezewort need for photosynthesis?

Sneezewort will need a minimum of six hours of light to best support their photosynthesis cycles. These flowering plants need the sun to help their foliage and blooms grow. However, certain perennial flowering plants like the Giant Coreopsis might need anywhere from eight to twelve hours of full sun a day to maintain their large flowers and healthy foliage.

How much light should Sneezewort get per day to grow healthily?

If you want your Sneezewort to grow healthy and bloom as much as possible during its blooming season, you should try to give your plant six hours of direct sunlight. Some perennial plants might even do more sunlight and could sit in the sun for up to twelve hours, depending on the heat in the area and the general environment. Plants like the Red Hot Poker and Giant Coreopsis thrive in much hotter climates and might sit in all types of strong sunlight.

Some home gardeners have to use grow lights because their spaces don't allow for tons of outdoor sunlight. Most perennials could grow happily in grow lights, but they will need anywhere from eight to fourteen hours of artificial light to stay strong since these lights don't have as much power as the sun.

What is the optimal temperature for Sneezewort?

The best temperature for Sneezewort depends on the time of year. There are two primary seasons to discuss for temperature: the growing season, and the dormancy season. During the growing season, once Sneezewort has begun to sprout, the ideal temperature range should be anywhere from 65~80℉(18~27℃). Any colder than 15℉(-10℃), and the plant will suffer; its leaves may brown and wilt, but if this is a short cold snap, then Sneezewort may be able to survive with some help.

During the warmer parts of the year, Sneezewort will need to be similarly protected from temperatures that are too high. 95-105℉ (35-40℃) is the top of this plant’s temperature range, and anything above that will compromise the integrity of the foliage and blooms of Sneezewort. Hotter temperatures can cause wilting, drooping, and even sunburn on the leaves, which can be difficult for Sneezewort to recover from. There are quite a few ways to combat this issue that are quick and easy!

Temperature requirements for first year or seedling Sneezewort

If this is the first year of your Sneezewort outside as a new plant, then it may need a little extra tending during the coldest months of the year. Not only can frost more severely damage a first-year Sneezewort, but it can also prevent it from growing back as a healthy plant come spring. This plant needs to be kept at 40℉(5℃) or above when they’re not yet established, which can be done either by bringing your Sneezewort inside for a month or two, or putting up mulch or fabric barriers that protect from frost damage.

It’s also a good idea to plant Sneezewort in a shadier spot during the first year or two, as smaller and weaker plants have a more difficult time maintaining their own temperatures in the heat. First-year Sneezewort should receive no more than five hours of direct sunlight per day, particularly if the ambient daytime temperature gets above 80℉(27℃). Shadecloth and frequent watering or misting are the keys to summer heat control.

How can I protect Sneezewort from extreme temperatures?

If cold temperatures (below 15℉(-10℃)) do occur during the growing season, there are a few measures you can take to help protect Sneezewort from frost or cold damage. If you’re growing Sneezewort in a container, then the container can simply be brought inside in bright, indirect light until the temperatures rise up over the lower threshold again. Another option that’s better suited for ground-planted Sneezewort is to use mulch or horticultural fabric to create an insulated barrier around the plant, which will protect the plant from frost and cold wind.

For temperatures that are hotter than 80℉(27℃) in the shade during the day, be careful to only expose Sneezewort to six hours or less of sunlight per day, preferably in the morning hours. Putting up shade cloth, or a fine plastic mesh, can help reduce the amount of direct sunlight that hits the plant during the hottest parts of the day. You can also install a misting system that allows for a slow release of cooling mist around the base of the plant during the day to lower ground temperatures.

Dormant season temperature recommendations for Sneezewort

During the cold winter months, Sneezewort needs a certain measure of cold in order to stay in dormancy until it’s time to sprout. Sprouting too early, that is before the danger of the last frost has passed, can be fatal to Sneezewort, especially if it’s already had a head start when the frost hits. Winter temperatures should ideally stay below 32℉(0℃), but if they get up to 40℉(5℃), everything will be just fine.

An unexpected warm spell during the cold months, which can happen in more temperate climates like woodland rainforests, can trigger a premature sprout from Sneezewort. In this case, if there’s still imminent danger of frost, you may want to try covering it with clear plastic on stakes so that the cold has less of a chance of damaging the new sprout. This setup can be removed when the danger of frost has passed. Occasionally, Sneezewort will be able to resprout at the correct time without any help, but this method increases the chances of a successful second sprouting.

Why do I need to fertilize my Sneezewort?

Fertilization is important to the Sneezewort for several general reasons. Mainly, fertilization helps Sneezewort and other plants by providing key nutrients that help the plant grow both above and below ground. However, the overall fertilization needs for a Sneezewort are relatively low.

At times, a Sneezewort may survive well without fertilization. However, annual fertilization is can be very beneficial to the Sneezewort, as it will help keep the plant alive and may also encourage your Sneezewort to create better flowers that last for longer. As such, those interested in helping their Sneezewort look its best should keep up with annual fertilization.

When is the best time to fertilize my Sneezewort?

The ideal time to fertilize a Sneezewort is in the late winter to early spring. During that time, your Sneezewort will be exiting its dormant phase and entering a phase of active growth. Fertilization at this time allows the plant to get off to a great start for the season by encouraging healthy growth.

While it is generally most advantageous to fertilize a Sneezewort during the early spring, it is also permissible to fertilize a Sneezewort during the fall too. However, summer and winter remain the seasons in which it is not a good idea to feed a Sneezewort.

When should I avoid fertilizing my Sneezewort?

You should not fertilize your Sneezewort during any time of the year except during the late winter and early spring. The low fertilization needs of this plant allow a single annual feeding to suffice. Continuing to fertilize throughout spring, summer, and fall can easily lead to overfertilization and all of the complications that can come with it. The only exception is if you did not fertilize in spring, which means that it is permissible to feed this plant in fall.

Along with refraining from fertilizing for most of the growing season, there is also no reason to fertilize this plant during the winter. In winter, the Sneezewort will be in a dormant growth phase, meaning that it does not put forth new growth. With that being the case, fertilization during most of the winter is not advisable.

What type of fertilizer does my Sneezewort need?

Nearly any kind of general-purpose fertilizer with a balanced amount of the three main plant nutrients will work well for a Sneezewort. However, there are a few specific nutrient blends that can be even more beneficial. For instance, many gardeners follow the belief that higher volumes of phosphorus make for stronger roots and better flowers. Since Sneezewort is a flowering plant, applying a phosphorus-rich fertilizer may be the best approach.

You can use a fertilizer that comes in a granular form or a liquid form as long as there are plenty of nutrients present. Outside of manufactured fertilizers, you can also use more organic means to improve the soil for your Sneezewort. Mainly, compost, manure, and similar materials can go a long way towards creating a healthy growing medium for your Sneezewort.

How do I fertilize my Sneezewort?

The most common way to fertilize a Sneezewort is to apply a granular or pellet fertilizer to the soil around your plant. Remember that the ideal time to fertilize is as the plant is exiting its winter dormant growth phase and entering a phase of active growth. In early spring, wait until the plant begins to send shoots through the soil, and then apply your fertilizer.

Some people may choose to use a liquid fertilizer instead of a granular one. In that case, you should dilute the fertilizer with water before applying it. Regardless of whether you use granular or liquid fertilizer, it is always best to moisten the soil before, during, and after you apply fertilizer.

What happens if I fertilize my Sneezewort too much?

As you care for your Sneezewort, recall that this plant does not need a lot of fertilizer each year and will begin to suffer if it receives too much. Firstly, any overfertilized plant runs the risk of fertilizer burn, a condition in which excessive amounts of fertilizer draw nutrients and moisture out of the plant's roots, causing its decline.

Also, overfertilizing a Sneezewort is also a way of weakening your plant and making disease far more likely. There is also a potential that overfertilization could cause your Sneezewort to flower less or not at all, which is a significant detriment considering the blooms of this plant are what make it so valuable and sought after by so many gardeners.

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Common Pests & Diseases

Common issues for Sneezewort based on 10 million real cases

Brown spot

This infection can cause brown spots or patches to appear on the plant.

Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.

Leaf beetles

Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.

Solutions: For less serious cases: Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread. To treat more serious infestations: Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.

Underwatering

Leaves may wilt for a variety of reasons.

Solutions: The easiest (and most obvious) way to address underwatering is to fully hydrate the plant. However, this must be done carefully. A common mistake that many gardeners make is to douse their underwatered plants with water. This can overwhelm the roots of the plant and shock its system, something that can be even more damaging than the lack of water to begin with. Instead, water thoroughly and slowly, taking breaks to let the water slowly saturate through the soil to get to the roots. Use room temperature water, as cold water might be too much of a shock. In the future, shorten the time between waterings. A good rule of thumb is to check the soil around each plant daily. If it’s dry to at least two inches down, it’s time to water. If a container plant is repeatedly drying out very quickly, repotting into a slower-draining container might be a good idea, too.

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Distribution Map

Habitat

Damp meadows, marshes, by streams

Native

Cultivated

Invasive

Potentially invasive

Exotic

No species reported

More Info

Plant Type

Herb

Bloom Time

Late spring, Summer, Early fall, Mid fall

Leaf Color

Green

Usages

Garden Use

Sneezewort is valued in gardens for its abundant blooms. This species is often planted along garden borders, in garden beds, and in cutting gardens. Its flowers are considered ideal for cutting because they are long-lasting within floral bouquets.

Scientific Classification

Phylum

Vascular plants

Class

Dicotyledons

Order

Family

Daisy

Genus

Yarrows

Species

Sneezewort

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Add to My Garden

Sneezewort

Achillea ptarmica

Also known as: Goose tongue, Sneezeweed

4 to 9

Hardiness Zones

Care Guide for Sneezewort

Water

Fertilization

Fertilization once every 2-3 months during the growing season.

Pruning

Trim the dead, diseased, overgrown branches in winter.

Soil

Sand, Loam, Chalky, Clay, Acidic

Sunlight

Full sun, Partial sun

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Questions About Sneezewort

Watering

Pruning

Sunlight

Temperature

Fertilizing

What is the best way to water my Sneezewort?

What should I do if I water my Sneezewort too much or too little?

How often should I water my Sneezewort?

How much water does my Sneezewort need?

How should I water my Sneezewort at different growth stages?

How should I water my Sneezewort through the seasons?

What's the difference between watering my Sneezewort indoors and outdoors?

Do I need to prune my Sneezewort?

When is the best time to prune my Sneezewort?

What tools should I prepare for pruning my Sneezewort?

Are there any instructions for pruning my Sneezewort?

What type of sunlight does Sneezewort need?

Can sunlight damage Sneezewort? How to protect Sneezewort from the sun and heat damage?

Should I protect Sneezewort from sun exposure?

What will happen if Sneezewort gets inadequate sunlight?

Does Sneezewort need special care about sunlight during its different growth stages?

How much light does Sneezewort need for photosynthesis?

How much light should Sneezewort get per day to grow healthily?

What is the optimal temperature for Sneezewort?

Temperature requirements for first year or seedling Sneezewort

How can I protect Sneezewort from extreme temperatures?

Dormant season temperature recommendations for Sneezewort

Why do I need to fertilize my Sneezewort?

When is the best time to fertilize my Sneezewort?

When should I avoid fertilizing my Sneezewort?

What type of fertilizer does my Sneezewort need?

How do I fertilize my Sneezewort?

What happens if I fertilize my Sneezewort too much?

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Common Pests & Diseases

Common issues for Sneezewort based on 10 million real cases

Brown spot

This infection can cause brown spots or patches to appear on the plant.

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Leaf beetles

Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.

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Underwatering

Leaves may wilt for a variety of reasons.

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Distribution Map

Habitat

Damp meadows, marshes, by streams

Map

Native

Cultivated

Invasive

Potentially invasive

Exotic

No species reported

More Info

Plant Type

Herb

Bloom Time

Late spring, Summer, Early fall, Mid fall

Leaf Color

Green

Usages

Garden Use

Scientific Classification

Phylum

Vascular plants

Class

Dicotyledons

Order

Asters bellflowers fanflowers and allies

Family

Daisy

Genus

Yarrows

Species

Sneezewort

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