Quinoa (Chenopodium quinoa) Flower, Leaf, Care, Uses

Sand, Loam, Acidic, Neutral, Alkaline

Sunlight

Full sun, Partial sun

Hardiness Zones

2 to 10

Harvest Time

Jelly bean plant is a cute-looking succulent native to Mexico that propagates extremely well from leaves. The common name comes from the colorful chubby leaves with red tips, which appear similar to the candy jelly beans. It is also called 'pork n' beans' because when exposed to full sun, its leaves turn from green to red as a defense mechanism.

Fall

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Quinoa

Water

Every week

Sunlight

Full sun

Harvest Time

Fall

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Questions About Quinoa

Watering

Pruning

Sunlight

Temperature

Fertilizing

What is the best way to water my Quinoa?

Not only does the Quinoa have certain preferences regarding how much water it receives, but it also cares deeply about how you provide that water. In fact, if you don't use the proper watering technique, you risk harming your tomatoes. The best way to water Quinoa is to apply the water directly to the soil in a slow and gentle manner. You should not pour all of the water into the soil at once, and you should not do overhead watering for your Quinoa. Although you should water slowly, you should also water deeply to ensure that all of the soil in which your Quinoa grows is sufficiently moist.

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

If you find that you have overwatered your Quinoa and you are concerned about the associated risk of disease, you should intervene immediately. Often the best approach for an overwatered Quinoa is to uproot it from its current growing location. Once the plant is out of the ground, you can allow its roots to dry a bit before planting it in a new growing location. Ensure that the new growing location has soil with good drainage. If you grow in pots, you may also want to move your plant to a pot with more or larger drainage holes. In the case of underwatering, all you will need to do is increase the frequency with which you supply water to your plant.

How often should I water my Quinoa?

Overall, Quinoa requires a significant amount of water throughout the growing season. To meet that high water need, you'll need to water early and often throughout the spring and summer. During the earlier parts of the growing season, you should water your Quinoa about once or twice per week. As the season progresses, you should increase your watering frequency. You may need to water it twice per day or more during summer, depending on the weather. After your Quinoa have gone through their major seasonal growth phases, you can reduce the frequency of your watering to about once per week until the end of the growing season.

How much water does my Quinoa need?

Since Quinoa are incredibly popular, with many professional and amateur gardeners growing them successfully, we have a pretty clear idea of how to care for these plants. That understanding includes specific knowledge about the precise volume of water an average Quinoa should receive. Generally, Quinoa will require about 1 - 1.5 inches of water per week. That volume should be dispersed evenly through your weekly watering. As the weather gets warmer, you may need to supply more water, but in most cases, two inches per week is a good baseline amount.

How can I tell if i'm watering my Quinoa enough?

Underwatering and overwatering can both occur as problems for your Quinoa, and both these problems can manifest with similar symptoms. For example, foliage discoloration and wilting can both result from either overwatering or underwatering. When your Quinoa is underwatered, its leaves will be curling and drooping at the beginning. You will see a bunch of leaves turn less vigorous. Underwatering is also likely to cause stunted growth and poor overall development as both the flowers and this plant require a high amount of water. Overwatering is more likely to lead to disease, including rot. Overwatering may also lead to unpleasant smells rising from your plant's soil. The symptoms of underwatering will show up quicker than overwatering. Overwatering can also be evident in soil conditions. Mainly, if you notice a lot of standing water or waterlogged soils, overwatering is likely to occur.

How should I water my Quinoa through the seasons?

As alluded to above, your Quinoa's water needs will repeatedly change throughout the seasons. During most of spring and summer, you should water your Quinoa about once every week. As the heat of summer arrives, you should plan to increase your watering frequency to once or twice per day. In the late summer and fall, towards the end of the harvest period, you can reduce your watering frequency to about once per week. After harvest has ended, you can cease watering as your Quinoa has reached the end of its life cycle and will require no further soil moisture.

The maintenance schedule of Quinoa will require you to alter the amount of water you provide depending on the plant's current growth stage. Early on, especially if you grow your Quinoa from seeds, you'll need to provide water often enough to maintain consistent soil moisture, which encourages root development. When the plant becomes old enough to produce flowers, it will likely need even more water. During the fruit development growth stage, your Quinoa will likely need the most water out of any growth period, at times requiring water more than twice per day. Following that phase, the water needs of Quinoa will decline significantly.

What's the difference between watering Quinoa indoors and outdoors?

Whether you grow Quinoa indoors or outdoors can also play a role in how you water them. Quinoa that grows outdoors may receive water from natural rainfall, which will reduce the amount of supplemental water you should supply. However, it is incredibly rare for rainfall to adequately replace your watering entirely. Plants that grow indoors, along with any Quinoa that grows in a container, will need to be watered more frequently than those that grow in the ground outdoors. If you choose this route, please make sure that the plant gets enough water by checking the soil moisture within your pot often to keep your Quinoa healthy.

Is pruning necessary for my Quinoa?

Quinoa is a kind of annual plant so it doesn't need much pruning. You only need to cut off and clean the diseased, yellow or dropped leaves and stems during its growing period. This will help your Quinoa to stay away from pathogens infection.

How do I prune my Quinoa?

During the growth of the plant, yellowing, drying and spotted leaves are produced, and these spotted and discolored leaves need to be trimmed off. If the whole piece of leave is discolored or infected, you will need to cut it off completely. In other situations, you will only need to cut off the discolored or infected part on certain leaves. Quinoa above the ground will die and dry up in the winter, and the dead plants need to be cleaned up.

Are there any cautions I should be careful with when pruning my Quinoa?

Quinoa leaves are delicate, so take care not to score or bruise them. Unless the leaves are withered or heavily discolored, do not prune the leaves from the lowermost branches unless they’re damaged. They typically grow the largest, so they supply the plant with critical energy to keep it growing right. Please prevent the wounds from water after pruning until they are fully recovered. Remember always sterilize the tools before pruning. When the pruning is finished, please throw all the waste leaves and stems into the trashbins to avoid diseases and bugs.

Are there any tips for pruning my Quinoa?

Sterilize all the tools before pruning; unclean tools will pass pathogens to the plant through wounds;
Prune on sunny days because the new cuts will be infected by pathogens if they're distained by rain or water.
Throw all the waste leaves and stems into trashbins, they will easily rot and attract diseases and bugs

When should/shouldn't I prune my Quinoa?

Expect to prune your Quinoa every week if it’s growing well or every two weeks if it grows slowly. It is always good to prune it on sunny days because if you prune it on rainy days, the rainwater will distain the cuts and cause the whole plant to be infected.

What should I look for when pruning my Quinoa in different seasons?

Because Quinoa is an annual plant, the pruning should take place basically during the seasons that the plant grows rapidly. During the growth of the plant, yellowing, drying and spotted leaves are produced, and these spotted and discolored leaves need to be trimmed off.

How much sunlight does Quinoa need to grow?

Exact needs vary, but a minimum of 6 to 8 hours per day is a good rule of thumb for Quinoa to grow and produce fruit.

What type of sunlight does Quinoa need?

Quinoa requires full sun, meaning that it should be grown in a location that gets direct sunlight that isn’t blocked by obstacles such as trees, fences, or buildings. In general, the faster the plant grows, the more hours of sunlight it will need. Morning sun is best for photosynthesis.

Should I protect Quinoa from sun exposure?

Quinoa should not need to be protected from the sun in most climates. Those who live in a desert or near the equator may find that the sun is too harsh for the types of plants they want to grow, but this is the exception.

What will happen if Quinoa doesn't get enough sunlight?

All plants need sunlight to convert into energy. Plants that have a short growing season need even more light and energy than those that grow slowly, as they need to complete all their processes to grow and produce fruit within just a few months.

The first symptoms of insufficient sunlight in Quinoa are pale and yellow leaves that are not able to generate enough chlorophyll to keep their healthy green color. The leaves may eventually fall off, and new growth is small and weak. The plant may become leggy and sparse as it stretches toward the available light.

Finally, without enough light the plant will not be able to produce large, high-quality edible leaves or fruit. Quinoa needs to devote a lot of energy into growing leaves and fruits, so if there isn’t enough light available for it to convert, the harvest will suffer.

What will happen if Quinoa gets too much sunlight?

Quinoa can get sunburned from intense sunlight, especially when coupled with high temperatures and not having enough water. Afternoon sun tends to be most likely to burn plants. Scalded leaves develop faded patches of light brown to white on the areas at the top of the plant that are exposed to the most sun. They are especially vulnerable to this right after being transplanted from a shadier location to being in full sun. Transitioning plants gradually or providing them with a barrier while they are adjusting can help prevent sunscald in young plants.

In many cases, Quinoa develops leaves that are large enough to protect fruits from the strongest rays of the sun. However, if intense sunlight is in contact with fruits, they can also be damaged. Avoid over-pruning those protective leaves so that the fruits don’t get burned.

Are there any cautions or tips for sunlight and Quinoa?

Quinoa may become unbalanced if it gets significantly more light on one side than the other. Ideally, you can plant your Quinoa in a location away from obstacles that might block light, and where the distribution of sunlight is even on all sides.

Be careful about planting tall species next to those that grow closer to the ground. It may not be obvious when the crops are first planted, but over time the taller plants may begin to block the amount of sunlight that can reach the shorter plants.

Morning sun helps to dry dew and precipitation, which helps prevent infection from diseases that can develop when water sits on the plant. If you are watering or irrigating your Quinoa, this should be done in the morning.

What is the optimal temperature for Quinoa?

There is an ideal temperature range that makes Quinoa feel at home. Under these temperature conditions, it's unlikely that you’ll have any issues with cold or hot damage to the foliage, but changing leaf colors can absolutely be a sign that Quinoa isn’t happy. Try to keep your Quinoa well within its preferred range of 70-85℉(21-30℃), but don’t panic if the temperature creeps up past 85℉(30℃) during the day or down to 70℉(21℃) at night.

How can I protect Quinoa from extreme temperatures outdoors?

If your Quinoa happens to be planted outside, then there’s not much you can do to try to move it indoors. However, you can certainly provide cover in ways that will help it survive any extreme temperatures that may arise unexpectedly. For instance, you can always use a few stakes and some cloth to put together a shade tent that will block out much of the sun’s intense heat from direct sunlight exposure.

Similarly, Quinoa can be protected from the extreme cold and especially chilly winds by building a small greenhouse around the plant, which will create a greenhouse effect and warm the plant up. This can be done using garden stakes and any sort of clear or translucent plastic you may have around; if you have greenhouse plastic such as polycarbonate laying around, this works perfectly. Remove the greenhouse once temperatures warm up to 40℉(10℃) at night.

Does Quinoa need different temperatures in different seasons?

Generally speaking, Quinoa needs to stay within its preferred temperature range all year long. However, that doesn’t mean that care should stay the same all year long. During the warmest months of the year, Quinoa will need a little extra shade and a bit more of a breeze to help it cope with the hottest days. On the other hand, it may need to be moved away from chilly windows and doors during the cooler months in climates where temperatures drop below 40℉(10℃) at any point in the year.

What is the best way to maintain the right temperature for my Quinoa?

Keeping your Quinoa at the right temperature can be fairly simple. Depending on where you grow it, Quinoa can be fairly easy to accommodate. For indoor growing, you can easily move the plant to different locations within your indoor space that best meet its temperature requirements. Avoid placing it near air conditioning vents, heaters, doors that open frequently, or drafty windows.

It is a little more difficult to control the temperature around your Quinoa if it’s grown outside. Of course, if it’s planted in a pot, you can simply bring it indoors when the temperatures outside get too hot or too cold for Quinoa, but otherwise, you may need to take different measures to protect it from extreme heat or cold that may damage it irreversibly. Try placing Quinoa under cover to protect from both the harsh sun that can overheat it and any cold wind that could be potentially deadly for your plant.

Why do I need to fertilize my Quinoa?

You may or may not need to fertilize your Quinoa, depending on the soil conditions in your garden. If you are able to get a good harvest from your Quinoa crop, that is a good indication that fertilizer isn't necessary. However, the best way to determine whether or not you need to fertilize is by having the soil tested. You can test soil yourself using a kit, or you can send the soil out to a lab to be analyzed. Once you have an understanding of the nutrient levels in your soil, it will be easier to determine whether or not additional fertilizer is required.

When is the best time to fertilize my Quinoa?

Mix a layer of organic fertilizer into the soil at least a week prior to planting, and use another dressing on top of the soil during the spring to provide an extra boost to young plants. In most cases, just one to two applications of fertilizer during a growing season should be sufficient for a good harvest of Quinoa.

When should I avoid fertilizing my Quinoa?

Fertilizing a Quinoa after the majority of the vegetables have been harvested will be a waste of your fertilizer and your energy, since this crop needs to be replanted every year. Also avoid fertilizing Quinoa if you are already gardening in a location that has nutrient-rich soil. Since Quinoa does not require a lot of fertilizer to grow well and yield plenty of vegetables with good size and flavor, there is no need to fertilize in many cases. Only fertilize your Quinoa if your soil test indicates that one or more nutrients is lacking in your garden soil.

What type of fertilizer does my Quinoa need?

The best option for Quinoa is a natural organic fertilizer, but slow-release granular fertilizers also work well. A low-nitrogen fertilizer is best, since too much nitrogen can cause excessive foliage production that takes away from the plant's ability to produce strong root vegetables. Use a formula with lower nitrogen such as 5-10-10 to make sure that the plant develops a good harvest.

Organic mulch is also recommended for growing healthy Quinoa. A layer of mulch made from leaves, straw, grass clippings, or other organic matter helps phosphorus to prevent weeds, keep the soil moist, regulate soil temperature, and release a slow but steady supply of nutrients into the soil as the mulch breaks down.

How do I fertilize my Quinoa?

Spread organic fertilizer such as manure or compost in a thick layer across the bed prior to planting, then mix or till the amendment into the soil. Additional organic fertilizer can be added on top of the soil after planting, in a layer about two to four inches thick. After adding any type of fertilizer, be sure to water thoroughly. When using chemical fertilizers, be sure to follow all manufacturer's directions to achieve the best results and avoid adding too much fertilizer to the garden. All types of fertilizer should be applied to the soil around the plant but not in contact with the plant itself, since contact with fertilizer can burn the plant's tissues.

What happens if I fertilize my Quinoa too much?

The most typical scenario that occurs when Quinoa is overfertilized is that the plant receives too much nitrogen, which is out of balance with other nutrients. Quinoa is grown for its roots and not for its leaves, but nitrogen mainly supports the healthy development of foliage. For that reason, giving a Quinoa plant too much nitrogen can cause it to develop a lot of foliage at the expense of the tubers that gardeners want. Phosporus is the nutrient that helps to promote root development, so it is important that Quinoa be given plenty of phosphorus in addition to other required nutrients in order to yield plenty of vegetables.

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Common Pests & Diseases

Common issues for Quinoa based on 10 million real cases

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.

Sap-sucking insects

Sap-sucking insects can create dense clusters of small yellow or white spots on the leaves.

Solutions: Sap-sucking insects can be hard to spot, as they are often small and attach to the undersides of plant leaves. If you see signs of an infestation, follow these steps to eradicate it. Hand-pick bugs and remove eggs: Inspect your plants for insects and drop any you find in a container of soapy water. Look carefully at the undersides of plant leaves and squish any egg clusters you find. Use Insecticide: Targeted spraying can take out sap-sucking insects. Small infestations can be controlled with insecticidal soap, though larger outbreaks might require a stronger spray. Introduce natural predators: Many insects, including ladybugs and praying mantises, love to feast on sap-suckers. You can purchase them at garden stores and release them near infected plants, or encourage wild ones by creating habitat space.

Powdery Mildew

Powdery mildew is a white mold that appears on leaves. It can be wiped away.

Solutions: As powdery Mildew spores are transported by the wind, it can be tricky to put a complete stop to the spread of the fungus. Luckily, there are several easy treatments for plants that are exhibiting symptoms: If powdery Mildew seems to be impacting isolated leaves or stems, they can simply be trimmed away and disposed of. Disinfect pruning tools after doing this. Remove any plant debris from the ground around the infected plants and dispose of it in the garbage. Then, cover the soil with a thick layer of mulch to limit reinfection. Milk sprays have been found to be useful in controlling powdery Mildew. Make up a spray consisting of 60% water and 40% milk and spray on the affected plants. This can also be used as a preventative measure. In cases where powdery Mildew is more widespread, plants can be sprayed with a mild sulfur- or copper-based fungicide or a non-toxic solution made from baking soda and soap. Sprays can help areas that have been recently infected, though they are less effective against well-established infections. If possible, try transplanting the plants to a sunnier location. Though powdery Mildew does fine in hot, dry conditions, it is unable to reproduce without some humidity. Putting plants in more direct sunlight can help stop the spread of the fungus. Trimming around closely-packed plants can help improve airflow, which also prevents the reproduction of the fungus.

Nutrient deficiencies

A lack of nutrients will cause a widespread yellowing of the leaves. The yellowing may begin at the base or top of the plant.

Solutions: There are several easy ways to remedy the nutrient deficiencies in soils. Use a water-soluble fertilizer. Fertilizers will include most or all of the macro and micro-nutrients the plants need to thrive. Adding some fertilizer to the soil will make those nutrients available and can combat deficiencies. Regularly apply organic fertilizer pellets. Organic fertilizers such as animal manures and bonemeal can supply plants with all the nutrients that they need to grow strong and healthy. Apply compost. Though not as finely tuned as artificial fertilizer, compost can nevertheless be rich in important nutrients and should be applied to the soil regularly. Apply nutrients via foliar application. In addition to supplementing the soil with nutrients, foliar fertilizer can be applied directly to the plant's leaves. Nutrients offered via foliar application are often taken up even quicker than those put in the soil, so the foliar application can be great for swiftly addressing specific deficiencies.

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Distribution Map

Native

Cultivated

Invasive

Potentially invasive

Exotic

No species reported

More Info

Plant Type

Herb

Flower Color

Green

Red

Leaf Color

Green

Red

Purple

Scientific Classification

Phylum

Vascular plants

Class

Dicotyledons

Order

Pinks, cacti, and allies

Family

Amaranth

Genus

Goosefoots

Species

Quinoa

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Sand, Loam, Acidic, Neutral, Alkaline

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Add to My Garden

Quinoa

Chenopodium quinoa

Also known as: Inca wheat, Pigweed, Grain of the incas

2 to 10

Hardiness Zones

Care Guide for Quinoa

Soil

Sunlight

Full sun, Partial sun

Know the light your plants really get.

Find the best spots for them to optimize their health, simply using your phone.

Download the App

Questions About Quinoa

Watering

Pruning

Sunlight

Temperature

Fertilizing

What is the best way to water my Quinoa?

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

How often should I water my Quinoa?

How much water does my Quinoa need?

How can I tell if i'm watering my Quinoa enough?

How should I water my Quinoa through the seasons?

What's the difference between watering Quinoa indoors and outdoors?

Is pruning necessary for my Quinoa?

How do I prune my Quinoa?

Are there any cautions I should be careful with when pruning my Quinoa?

Are there any tips for pruning my Quinoa?

When should/shouldn't I prune my Quinoa?

What should I look for when pruning my Quinoa in different seasons?

How much sunlight does Quinoa need to grow?

What type of sunlight does Quinoa need?

Should I protect Quinoa from sun exposure?

What will happen if Quinoa doesn't get enough sunlight?

What will happen if Quinoa gets too much sunlight?

Are there any cautions or tips for sunlight and Quinoa?

What is the optimal temperature for Quinoa?

How can I protect Quinoa from extreme temperatures outdoors?

Does Quinoa need different temperatures in different seasons?

What is the best way to maintain the right temperature for my Quinoa?

Why do I need to fertilize my Quinoa?

When is the best time to fertilize my Quinoa?

When should I avoid fertilizing my Quinoa?

What type of fertilizer does my Quinoa need?

How do I fertilize my Quinoa?

What happens if I fertilize my Quinoa too much?

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App

Common Pests & Diseases

Common issues for Quinoa based on 10 million real cases

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.

Learn More

Sap-sucking insects

Sap-sucking insects can create dense clusters of small yellow or white spots on the leaves.

Learn More

Powdery Mildew

Powdery mildew is a white mold that appears on leaves. It can be wiped away.

Learn More

Nutrient deficiencies

A lack of nutrients will cause a widespread yellowing of the leaves. The yellowing may begin at the base or top of the plant.

Learn More

Treat and prevent plant diseases.

AI-powered plant doctor helps you diagnose plant problems in seconds.

Download the App

Distribution Map

Map

Native

Cultivated

Invasive

Potentially invasive

Exotic

No species reported

More Info

Plant Type

Herb

Flower Color

Green

Red

Leaf Color

Green

Red

Purple

Scientific Classification

Phylum

Vascular plants

Class

Dicotyledons

Order

Pinks, cacti, and allies

Family

Amaranth

Genus

Goosefoots

Species

Quinoa

Find your perfect green friends.

Plan your green oasis based on your criteria: plant type, pet safety, skill level, sites, and more.

Download the App

Related Plants

Soleirolia soleirolii

The Most Important Crops in the World

Most Common Herb