Buttons on a string (Crassula rupestris) Flower, Leaf, Care, Uses

Drought-tolerant. Allow the soil to dry completely between watering.

Fertilization

Fertilization once a month during the growing season.

Pruning

Deadhead (or remove) withered flowers after flowering.

Soil

Sand, Neutral, Alkaline

Sunlight

Saxifrages, stonecrops and allies

Full sun

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Buttons on a string

Water

Every 2-3 weeks

Sunlight

Full sun

Planting Time

Spring, Summer, Fall

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Questions About Buttons on a string

Watering

Sunlight

Temperature

Fertilizing

What should I do if I water my Buttons on a string too much or too little?

Underwatered Buttons on a string

Buttons on a string and other succulents can endure long periods without water, so it’s unusual to find one of these suffering from underwatering. But, if you somehow forgot about your plant and neglected to water it for a month or more, you’ll probably find your Buttons on a string looking thirsty or with some damage from lack of watering.

It is very easy to identify an underwatered Buttons on a string. Plant look lacklustre and wrinkled. Some may have dried up completely, turned brown and crispy, or dropped off the plant. And of course, the soil will be completely dried out.

If your Buttons on a string is thirsty and underwatered, give it plenty of water as soon as possible. Submerging the pot entirely in water for about 5-10 minutes is a good way to make sure the soil and plant are rehydrated properly. When you feel a sense of moisture on the surface of the soil with your finger, it means the watering is done properly.

Overwatered Buttons on a string

Overwatering is dangerous to Buttons on a string and can be fatal to your plant if you don’t remedy the situation. Too much moisture over time leads to root rot, which prevents the roots from being able to absorb nutrients and water from the soil. Root rot occurs when wet conditions allow fungi and bacteria to flourish in the soil and feed on roots. When you find that it's overwatered, you'd better change the growing conditions, place it somewhere with more air ventilation and adjust water frequency, for example.

The symptoms of overwatering are yellow, swollen, and translucent organs that may even burst open from being over-full with water. If the problem continues without being treated, plant might turn brown or black, and fall off the plant at the slightest touch. Be sure to check the soil to determine if overwatering is the culprit, as some other issues can cause similar symptoms.

It’s a bit difficult (but not impossible) to save an overwatered plant. The key is catching it early before a lot of damage has occurred. If the roots become rotten, it is likely to kill the entire plant. If you suspect you have overwatered your Buttons on a string, the first step is to remove it from its pot and check the roots and soil.

After removing the plant from its pot, gently remove wet soil from around the roots and then rinse them clean in room-temperature water. This helps with removing fungus that might be lurking in the soil and allows you to get a better sense of how healthy the roots are. If your plant has already developed root rot, you will see roots that are dark brown or black, soft, mushy, or slimy.

If the majority of the roots are already affected by root rot, it may not be possible to save the plant. In this case, it is best to remove any healthy stem and try to use these to propagate a new Buttons on a string. If, on the other hand, only a portion of the roots have succumbed to rot and other healthy roots still remain, there is a chance it can be saved.

Use a sterilized cutting tool to remove any unhealthy-looking roots. Once you're left with only the firm, pale roots, it’s a good idea to dip them in a fungicide to kill off any remaining spores. After that you can repot your Buttons on a string in fresh, free-draining potting soil. While this does not always work to save a succulent with root rot, in most cases this plant will be able to make a full recovery and will put out new growth starting in the next growing season.

How often should I water my Buttons on a string?

There’s not a hard-and-fast rule for how often to water Buttons on a string. The best way to determine this is to check the soil and only water when it’s bone dry. You can either stick your finger in the pot or use a moisture meter to check the soil below the surface. When you plant it in a deep pot, you can do this with a stick or chopstick. If it feels even a little bit moist, wait a few days and check it again.

Most people will need to water Buttons on a string about every two weeks in summer and once a month in winter, but there are several factors that can change the frequency. The section below lists some considerations that can help you to determine how often to water.

What should I consider when watering my Buttons on a string?

There are several environmental conditions that will affect how your Buttons on a string needs to be watered, including the container size, soil type, temperature, and humidity.

First off, the container and soil you use will determine how often to water and how much water to use each time. Be sure you use a container with plenty of drainage holes in the bottom so extra water can escape the pot. A small container has less room for soil, meaning it won’t hold as much moisture, while a larger pot will stay wet longer and need to be watered less often. It’s important not to keep your Buttons on a string in an oversized pot as this can easily lead to overwatering. When repotting, move to just one size larger than the current container. A shallow container works better than a deep one, since Buttons on a string has shallow root systems.

Buttons on a string will need to be watered less often in winter and more often in the active growing season in spring and autumn. During the winter, growth slows down considerably and the plant isn’t using much energy or water. There is less water lost to evaporation in cooler winter air, meaning that soil stays wet for much longer than it would in the summer.

This also applies to the general climate around your home. If you live in a humid location with a lot of rain, you will need to water less often than if you live in a dry, arid climate. Remember that conditions at the same geographic location can vary significantly with the season and the use of indoor heating and air conditioning.

Outdoor Planting

If Buttons on a string is planted in the ground, after establishing a root system, it shouldn’t need supplemental water beyond what it receives through precipitation and dew. But if there is a long dry period, you may want to water occasionally. In other areas where Buttons on a string can only be grown in a container, this plant can be moved outside in the spring and summer when the temperature is proper and then brought back inside when temperatures start to drop. A potted Buttons on a string kept outside usually needs more water than the same plant kept indoors, because there is a lot more sun exposure even on a shaded porch.

How to water Buttons on a string?

The best way to water Buttons on a string is to soak it thoroughly and then allow it to dry out before it gets watered again. Since this plant is somewhat drought tolerant, you can let it get quite dry before watering again. It is always better to give this type of plant too little water over too much.

When you water, make sure the soil gets thoroughly soaked throughout the whole pot. Don’t pour the water in just one spot, but rather try to go around the whole rim of the planter to be sure that it has a chance to get wet on all sides of the plant. The correct amount of water will depend on the size of your container and how much water your soil absorbs. Give your Buttons on a string enough water that it drains out from the drainage holes and then (ideally) leave the drained water in the saucer for about 20-30 minutes to absorb into dry pockets of soil. After that, discard any excess water that’s still in the saucer to avoid the soil getting waterlogged.

Bottom-watering is also an excellent method for Buttons on a string, as you can be sure that the soil gets thoroughly moistened. This process involves placing the pot into a saucer of water and allowing the soil to absorb moisture through the drainage holes. You will know that the soil has absorbed enough water when the top layer is moist. This takes a bit more time than top-watering, but is almost foolproof in getting an even distribution of water throughout the pot.

The original habitat of Buttons on a string is relatively dry with little rain, but when it rains, the soil will be thoroughly moistened. So you can mimic this situation by bottom-watering your plant when the soil is totally dry. Deep soil bathing is better than frequent light watering for Buttons on a string.

How much sunlight does Buttons on a string need to grow?

Buttons on a string should get at least 6 hours of sun per day, and preferably more. An actual minimum number of hours can vary depending on the intensity of sunlight and other environmental factors, but it is unlikely that the Buttons on a string will get too much sunlight. They do fine with up to 14 hours of sun per day.

What type of sunlight does Buttons on a string need?

Buttons on a string needs a lot of bright sunlight. As full-sun plants, they can thrive when given direct light or bright indirect sun. Some types may be able to survive with partial sun, but more sunlight is generally better.

Should I protect Buttons on a string from sun exposure?

Buttons on a string usually grows in some of the hottest, sunniest places in the world and is well adapted to that kind of environment, so it does not need to be protected from the sun. However, you should be careful about making a sudden move into a very sunny location if your Buttons on a string is not used to it. Plants need time to adapt to different conditions, so start by moving this plant into the sun for a couple of hours at a time each day, then gradually lengthen the amount of sun exposure. Once adapted, most types of Buttons on a string will be fine in full sun and don't need protection.

What will happen if Buttons on a string doesn't get enough sunlight?

Without enough sunlight, Buttons on a string will fail to thrive and grow. Common symptoms of inadequate sunlight include pale coloring, wilting leaves, and leaf drop. Buttons on a string may also exhibit etiolation (also called legginess). This condition occurs as the plant attempts to stretch toward the light source, leading to a sparse appearance and weak stems.

What will happen if Buttons on a string gets too much sunlight?

Buttons on a string may develop shades of red, pink, or orange as a means of protection from excess sunlight, so many people like to cause mild sun stress to these plants during the summer. This is not harmful, and they will revert to their normal coloring when light levels decrease from autumn to spring.

If moved too quickly into direct sun, Buttons on a string can suffer from sunburn. This looks like white or brown spots on the uppermost leaves that have been exposed to the most sun. A sunburned plant should be moved to a shadier location and watered if needed. Sun-damaged leaves can be removed, and should be replaced by new growth over time.

Does Buttons on a string need special care about sunlight during its different growth stages?

As with most plants, younger Buttons on a string will be more sensitive to strong sunlight and heat than a mature specimen. They should also be protected from direct sun immediately after being transplanted, either by a shade or by keeping the container in a shadier location until the plant is established and putting out new growth.

Are there any cautions or tips for sunlight and Buttons on a string?

It is best to water Buttons on a string in the morning, particularly during the summer months. If water sits on the leaves or in the crown of the plant, it can burn the plant when the water heats up. It’s also best not to water in the evening, since cooler overnight temperatures slow evaporation and fungi or bacteria can develop in the moist conditions.

Buttons on a string grown in pots should be rotated occasionally to keep them growing symmetrically. Plants will normally grow toward the light source, so they can develop much more quickly on one side than the other if they are not rotated.

If Buttons on a string is allowed to get dusty, it will not be able to access sunlight to create energy. The dust acts as a barrier, so the plant may show signs of inadequate light even if it’s in a sunny location. Keep the leaves and stems clean by wiping them periodically with a damp cloth to avoid this issue.

What's the ideal temperature for your Buttons on a string?

It is more suitable to keep the Buttons on a string in a particular range of conditions. Temperatures the same as 75-90℉ (25-32℃) are ideal for it. During the early winter season, the temperature shouldn't go below 75℉(25℃) for Buttons on a string. You can even move it indoors as it will have better protection from the extremes.

Despite that, the Buttons on a string can survive in some extreme temperatures. Sometimes can survive in low temperatures like 50℉ (15℃), but it is not ideal. You should bring it inside if winter conditions are expected outside.

How should I adjust the temperature for my Buttons on a string during different growing phases?

Buttons on a string has different growing phases. In the first stage, the dormant seed grows and transforms into a seedling. The dormant seeds need the appropriate conditions in their surroundings to grow as their seeds need a temperature of 75-90℉ (25-32℃) to germinate. The ideal time to make it grow vigorously is during the summer, as the most suitable temperature is around 85℉(30℃). You can adjust the placement of your Buttons on a string from indoors to sunlight during the hot summer months to receive enough sunlight.

How can I keep my Buttons on a string warm in cold seasons?

It's advisable to bring your Buttons on a string indoors to avoid the harsh winter conditions. People opt to buy different types of grow light to provide enough sunlight for the plant. However, if your home is not extremely dark, it is not essential to buy these lights. Keep your plants where they will get the most sunlight possible. There should be sufficient light to keep the Buttons on a string thriving in winter. If you have several Buttons on a string, then keep them rotating so that they all receive enough sunlight.

Avoid placing your Buttons on a string too close to the window if you live in northern areas with frigid weather. The cold may be extreme to them, due to which they might get damaged.

What happens to my Buttons on a string when the temperature is too high or too low?

Your Buttons on a string can grow better in summers and do better in warm temperatures 90℉(32℃) but you should protect it from temperature extremes during hot climates.

However, during winter, it is better to keep your plant dry. Buttons on a string do well in temperate climates having temperatures between 75-90℉ (25-32℃). However, some gardeners can expose their Buttons on a string to extreme temperatures causing stress in their plants. While high temperatures ranging between 90℉ and 95℉(32-35℃) can help maintain the deep colors for Buttons on a string, you must be careful when trying out such experiment. During the hot summer season extremely high temperatures can burn your Buttons on a string damaging their stem and root system. During the hottest time of the day (when the temperature is extremely high), consider relocating your plant to a shaded place or protect them with a shade cloth.

How should I adjust the temperature for my Buttons on a string in different seasons?

In summers, high temperatures make the growth of Buttons on a string slowed down to survive in too hot a temperature.

As the cooler periods and rainfall begins, the Buttons on a string starts growing. If the place you live in has hot summers and warm winters with more rainfalls, you aren't required to change anything.

However, if you live in a place with cold winters, you should let your Buttons on a string grow more in summer and rest in winter. It is because there is not enough sunlight for Buttons on a string to grow in winter.

You can help your Buttons on a string enter dormancy if you live in a place with cold temperatures by decreasing the temperature to 50℉ to 75℉ (15℃ to 25℃).

How can I keep my Buttons on a string warm without a heating pad?

To withstand freezing temperatures outside, as a solution, you can insulate your Buttons on a string with frost cloths, row covers, tents etc. You can also mulch your Buttons on a string with small rocks. Mulching the Buttons on a string soil will provide warmth to your plants and will not let you over-water the plant.

How can I protect my Buttons on a string from temperature damage?

Buttons on a string is adapted to sunlight and requires sufficient sunlight for healthy growth. You can place it in an outdoor environment without any shade. However, Buttons on a string shouldn't be kept for a long time in the blazing sunlight in the hot summer when it requires to be put under shade so that extreme temperature doesn't damage them. If the winter is extreme in our area, you must keep your Buttons on a string indoors to keep them away from frost.

What are the tips and precautions for keeping my Buttons on a string at the right temperature?

Increase water and fertilizer during the growth of plants in spring and summer. Prevent your plant from receiving too much sunlight. To cool plants, spray water around them when the temperature is exceptionally high but don't put water on their stem.

Why do I need to fertilize my Buttons on a string?

Fertilizing Buttons on a string adds nutrients to the growing medium. Even though it does store water and nutrients, applying plant food during the growing season helps support healthy growth. Fertilizing can also encourage mature specimens to produce blooms in the growing season.

When is the best time to fertilize my Buttons on a string?

While all plants benefit from additional nutrients, Buttons on a string only needs a light dose of fertilizer during the growing season. The frequency of fertilization should be 1-2 times a year. It is suggested to fertilize your Buttons on a string in the spring and autumn, but not in winter&summer when it is dormant. Be careful with repotted plants, you will want to reduce the amount of fertilizer. It’s also a good idea to wait a couple of months after repotting before you start applying fertilizer.

When should I avoid fertilizing my Buttons on a string?

Like most plants, Buttons on a string has a dormancy period and it is when you want to stop the applications of fertilizer. In the summer and winter, the plant ceases growing, and it is when you want to stop applying fertilizer. It’s also a good idea to cease fertilizing for the first couple of months after repotting in the spring.

What type of fertilizer does my Buttons on a string need?

It’s best to use a liquid plant food formulated for succulents and cacti when you are fertilizing Buttons on a string. Dilute the fertilizer with water to half-strength. You do not want the fertilizer building up in the soil. Apply the fertilizer to the base of the plant and water thoroughly, ensuring any excess moisture drains from the container or seeps into the ground.

How do I fertilize my Buttons on a string?

It is easier to use liquid plant food when you are fertilizing Buttons on a string, but granules are another option. Follow the directions on the packaging, making sure you dilute liquid fertilizers to half-strength. Whether you are using granules are liquid plant food, always apply it to the soil. Cover the granules with a thin layer of soil and water regardless of the type of plant food you are using.

What happens if I fertilize my Buttons on a string too much?

Over-fertilizing Buttons on a string is a common problem with new and experienced gardeners. The plant has low nutritional needs and it’s easy to apply a little too much fertilizer. Over-fertilizing Buttons on a string can burn the plant’s sensitive roots resulting in its slow decay. Without its root system, the plant cannot absorb nutrients and moisture.

Get tips and tricks for your plants.

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

Common Pests & Diseases

Common issues for Buttons on a string based on 10 million real cases

Scars

Any light-colored markings that appear on stems but which do not enlarge or multiply are simply scars that have healed.

Solutions: Each source of scarring requires a different approach to help your plant recover. Protect the trunk and leaves from physical damage like scrapes. If pests or disease are the cause of scarring, isolate the plant from others to avoid further spread. Some pests can be removed with organic remedies such as a soft cloth and soapy water solution or diluted isopropyl alcohol spray. Stop sunburn by moving your plant away from direct sunlight and making sure it has the water it needs. Frequent leaf or bud loss may be due to insufficient light or nutrients.

Plant dried up

The entire plant may dry out due to dieback or normal seasonal dormancy.

Solutions: The solution for a dried out plant depends on the cause, so determine the cause before selecting a treatment method. Adjust your watering: Stick your finger in the soil near the roots. If it feels bone dry or overly saturated, you need to adjust your watering frequency accordingly. Prune back dead foliage: Snip off any brown stems and leaves on the plant to make space for new growth. This encourages the roots to send up fresh stems. Move to a proper environment. This may involve decreasing or increasing sun exposure, depending on the species. Decrease fertilizer applications. If you have applied too much fertilizer, you can repot plants with fresh potting soil. Wait. If your plant has dried out as daylight is decreasing, it is entering dormancy. Decrease watering and wait until the plant resumes growth.

Flower withering

Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.

Solutions: If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible. For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface. In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well. If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.

Leaf rot

This pathogen can cause the leaves to rot.

Solutions: Bacterial infections need to be treated quickly to prevent the spread to neighboring, healthy plants, potentially wiping out large sections of your indoor or outdoor garden. In mild cases: Use sterilized (10% bleach solution) pruning shears or scissors to remove any infected plant parts, making sure to dispose of them off site. Use a copper-based bactericide to treat the unaffected foliage, as well as the soil, and neighboring plants. Follow the manufacturer’s rate and timing directions found on the product label. In severe cases, where more than half the leaves are affected: Remove all of the infected plants from the garden, disposing of them off site. Treat the soil and neighboring plants using a copper-based bactericide. Follow the manufacturer’s rate and timing directions found on the product label.

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Distribution Map

Habitat

Garden

Native

Cultivated

Invasive

Potentially invasive

Exotic

No species reported

More Info

Bloom Time

Summer

Leaf Color

Green

Red

Name story

Kebab bush

Crassula rupestris probably got its common name Kebab bush from the arrangement of its leaves. The thick leaves are arranged on a stem in a way that resembles kebab.

Scientific Classification

Phylum

Vascular plants

Class

Dicotyledons

Order

Family

Stonecrop

Genus

Crassula

Species

Buttons on a string

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Drought-tolerant. Allow the soil to dry completely between watering.

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Add to My Garden

Buttons on a string

Crassula rupestris

Also known as: Necklace vine, Rosary plant, Concertina plant, Concertina bush

Spring, Summer, Fall

Planting Time

Care Guide for Buttons on a string

Water

Fertilization

Fertilization once a month during the growing season.

Pruning

Deadhead (or remove) withered flowers after flowering.

Soil

Sand, Neutral, Alkaline

Sunlight

Full 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 Buttons on a string

Watering

Sunlight

Temperature

Fertilizing

What should I do if I water my Buttons on a string too much or too little?

Underwatered Buttons on a string

Overwatered Buttons on a string

How often should I water my Buttons on a string?

What should I consider when watering my Buttons on a string?

There are several environmental conditions that will affect how your Buttons on a string needs to be watered, including the container size, soil type, temperature, and humidity.

Outdoor Planting

How to water Buttons on a string?

How much sunlight does Buttons on a string need to grow?

What type of sunlight does Buttons on a string need?

Should I protect Buttons on a string from sun exposure?

What will happen if Buttons on a string doesn't get enough sunlight?

What will happen if Buttons on a string gets too much sunlight?

Does Buttons on a string need special care about sunlight during its different growth stages?

Are there any cautions or tips for sunlight and Buttons on a string?

What's the ideal temperature for your Buttons on a string?

How should I adjust the temperature for my Buttons on a string during different growing phases?

How can I keep my Buttons on a string warm in cold seasons?

What happens to my Buttons on a string when the temperature is too high or too low?

How should I adjust the temperature for my Buttons on a string in different seasons?

How can I keep my Buttons on a string warm without a heating pad?

How can I protect my Buttons on a string from temperature damage?

What are the tips and precautions for keeping my Buttons on a string at the right temperature?

Why do I need to fertilize my Buttons on a string?

When is the best time to fertilize my Buttons on a string?

When should I avoid fertilizing my Buttons on a string?

What type of fertilizer does my Buttons on a string need?

How do I fertilize my Buttons on a string?

What happens if I fertilize my Buttons on a string 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 Buttons on a string based on 10 million real cases

Scars

Any light-colored markings that appear on stems but which do not enlarge or multiply are simply scars that have healed.

Learn More

Plant dried up

The entire plant may dry out due to dieback or normal seasonal dormancy.

Learn More

Flower withering

Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.

Learn More

Leaf rot

This pathogen can cause the leaves to rot.

Learn More

Treat and prevent plant diseases.

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

Download the App

Distribution Map

Habitat

Garden

Map

Native

Cultivated

Invasive

Potentially invasive

Exotic

No species reported

More Info

Bloom Time

Summer

Leaf Color

Green

Red

Name story

Kebab bush

Crassula rupestris probably got its common name Kebab bush from the arrangement of its leaves. The thick leaves are arranged on a stem in a way that resembles kebab.

Scientific Classification

Phylum

Vascular plants

Class

Dicotyledons

Order

Saxifrages, stonecrops and allies

Family

Stonecrop

Genus

Crassula

Species

Buttons on a string

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

Quaking aspen

Populus tremuloides

Pepper tree

Pseudowintera colorata

Painted-lady

Echeveria derenbergii

Ostrich fern

Matteuccia struthiopteris

Jonquil

Narcissus jonquilla

Jack in the pulpit

Arisaema consanguineum

# Useful Tips