How to grow and care for Silver Crown Plant (Cotyledon undulata) Indoors

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Silver Crown Plant, Cotyledon undulata

Botanical name: Cotyledon undulata
Family: Crassulaceae
Common names: Silver Crown Plant, Silver Ruffles

Silver Crown Plant Description

Silver Crown Plant is also called Silver Ruffles is a small succulent shrubby plant with unusual gray waxy-edged and bloom-covered leaves that give it a very sculptural shape.

The leaves are shaped like scallop shells. The stems in Silver Crown Plant are covered with thick, white, coating. The flowers are orange to yellow.

Silver Crown Plant Size

Silver Crown Plant is a small succulent shrubby plant which grows to a height of about 1-2 ft.

Silver Crown Plant Origin

Silver Crown Plant (Cotyledon undulata) is native to South Africa where they are found on coastal flats and rocky hillsides, or as cremnophytes on cliff faces.

Silver Crown Plant Related Species

Silver Crown Plant is closely related to Cotyledon orbiculata (Pig's Ear Plant), another Cotyledon plant that is a popular houseplant.

Buy beautiful and healthy Silver Crown Plant (Cotyledon undulata) from Etsy.

Silver Crown Plant, Cotyledon undulata

Photo Credit: World of Succulents

Silver Crown Plant (Cotyledon undulata) Care Indoors

Silver Crown Plant (Cotyledon undulata) grows best in bright light to full sunlight and moderately moist soil. It requires average warmth and has no need for high humidity.

The best soil for growing Silver Crown Plant should be loose, free-draining soil that is rich in organic matter. Continue reading for a detailed outline on the best growing conditions for Silver Crown Plant.

Silver Crown Plant Light Requirements

Silver Crown Plant grows best in bright light to full sunlight. It can also grow under a grow light.

Should you choose to take your Silver Crown Plant outdoors, gradually acclimatize it and place it in a shaded place to avoid scorching the leaves. Check out this guide on understanding light for houseplants.

How to water Silver Crown Plant

Water Silver Crown Plant thoroughly during the hot season and allow the top 1-2 in. of soil to dry out between waterings. Water very infrequently in the cold months.

Ensure the pot for your Silver Crown Plant has a drainage hole to prevent getting soggy soil as it can lead to root-rot and eventual death of your plant.

Avoid wetting the leaves of your Silver Crown Plant as it can lead to rotting. Water from the bottom instead.

Use room temperature water to avoid shocking your Silver Crown Plant. Read more on how to water houseplants.


Temperature for Silver Crown Plant

Average warmth temperatures between 16-260C are ideal for Silver Crown Plant.

The sudden change in temperature between day and night is excellent for your Silver Crown succulent plant. Check out this guide on understanding temperature for houseplants

Humidity for Silver Crown Plant

Average room humidity is adequate for Silver Crown Plant. Silver Crown Plant has no need for high humidity.

Fertlizer (Feeding) for Silver Crown Plant

Feed Silver Crown Plant monthly during the growing period with a balanced, liquid fertilizer. Withhold feeding in the cold season as growth of your Silver Crown Plant is minimal.

Regularly flush out accumulated salts in the soil by running a stream of water through the soil until the water comes out through the drainage hole. Allow it to run for a few minutes and repeat the process several times. Read more on how to feed houseplants.

How to repot Silver Crown Plant

Repot Silver Crown Plant only when it becomes pot-bound. Use a shallow rather than a deep pot; they have shallow roots. The pot should be only 1 size larger than the previous one.

Ensure the pot for your Silver Crown Plant has a drainage hole to prevent the soil from getting soggy as it can lead to root-rot and eventual death of your plant.

A clay pot is preferable for your Silver Crown Plant because it is porous and therefore allows the soil to dry out faster.

Soil for Silver Crown Plant

The best soil for Silver Crown Plant should be rich in organic matter, loose and free-draining to avoid getting soggy soil. The soil should be loose enough to allow water to drain out fast enough.

Cactus and Succulents soil is ideal for Silver Crown Plant. Buy quality Cactus and Succulents Soil for your Silver Crown Plant from Etsy.

How to prune Silver Crown Plant

Pruning Silver Crown Plant requires the removal of dead and diseased leaves to maintain your plant neat and tidy. Remove dead flowers to keep your Silver Crown Plant neat and tidy.

Silver Crown Plant (Cotyledon undulata) Propagation

Silver Crown Plant can be propagated at the beginning of the growing season from stem cuttings. Below is an account on Silver Crown Plant from stem cuttings. Read on.

How to propagate Silver Crown Plant from stem cuttings

Take a cutting of about 2-4 in. long from your Silver Crown Plant. Ensure the cutting has 2 or 3 leaf nodes as this is where new growth will come from. Strip off the lower leaves.

Allow the cuttings to dry (callus) for 1-3 days before planting to prevent rotting.

Once callussed stick the Silver Crown Plant cutting into moist, cactus and succulents soil.

Ensure the pot has a drainage hole to prevent the soil from getting soggy soil as it can lead to rotting.

Place the set up in a warm, well-lit place and water sparingly, only when the soil is dry.

Avoid overwatering as it can lead to rotting by ensuring that the pot has a drainage hole.

The Silver Crown Plant cuttings should root in 3-4 weeks. Allow the new plant to be well established after which routine care can begin.

Silver Crown Plant, Cotyledon undulata

Silver Crown Plant (Cotyledon undulata) Problems Indoors

Silver Crown Plant (Cotyledon undulata) problems indoors are caused by cultural faults. Some of these problems include; leaf drop, leaf spots, leggy growth, diseases and pests among others. Continue reading for more on these problems, their remedies and solutions.

Silver Crown Plant dropping (shedding) leaves

Overwatering or underwatering are the causes of leaf drop in Silver Crown Plant. Water your Silver Crown Plant thoroughly during the growing season and allow the top soil to dry out between waterings.

Avoid overwatering your Silver Crown Plant by ensuring that the pot has a drainage hole and the soil is free-draining.

Significantly reduce watering your Silver Crown Plant during the cold season. Never allow the soil ball to dry out completely.

Silver Crown Plant growing tall and weak (leggy)

Leggy Silver Crown Plant is an indication of inadequate lighting ; your Silver Crown Plant is reaching for light therefore it stretches.

You can resolve this issue by moving your Silver Crown Plant to a sunnier spot or instal a grow light.

Silver Crown Plant brown soft leaf spots

The cause of brown soft spots in Silver Crown Plant is leaf spot disease which is enhanced by poor air circulation. Ensure there is free air circulation at all times.

Silver Crown Plant rotting at the base followed by yellowing and shriveled leaves

Rotting plant base followed by yellowing and shrivelled leaves in Silver Crown Plant is an indication of basal stem-rot disease which is brought about by overwet conditions.

Avoid overwatering your Silver Crown Plant and ensure that the pot has a drainage hole and the soil is free-draining to prevent the soil from getting soggy.

Silver Crown Plant Pests

Silver Crown Plant pests; Mealy Bugs and Scale Insects. Isolate the affected plant to reduce spread to other houseplants and treat it appropriately for the pests.

Is Silver Crown Plant (Cotyledon undulata) toxic?

The leaves of Silver Crown Plant (Cotyledon undulata) contain cotyledontoxin which is toxic to sheep, goats, horses, cattle, poultry and dogs.

If Silver Crown Plant is ingested it causes a condition called cotyledonosis. Keep your Silver Crown Plant out of the reach of animals.

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