This plant at Exotenherz
Check the shop offer for current availability, price and what is included.
Check the shop for the price, current availability and what is included.
Your care table
| Topic | What to do | Why it helps |
|---|---|---|
| Light | Very bright; acclimatise gradually to sun. | Abrupt heat may damage even foliage with a natural waxy coating. |
| Water | Water during growth after drying. | Fleshy leaves store water. |
| Leaf coating | Do not rub off or use shine products. | The silver surface belongs to the plant. |
| Compost | Airy well-drained succulent mix. | Avoid permanently wet roots. |
| Fertiliser | Weakly dosed during active growth. | No extra nutrition is needed during rest. |
| Winter | Bright and frost-free; water much more sparingly. | Lower growth reduces water consumption. |
| Handling | Hold the pot and protect leaf pairs. | Pressure and rubbing leave visible marks. |
| Safety | Do not consume; keep unreachable for children and pets. | Cotyledon is offered here exclusively as an ornamental plant. |
Check the compost and pot weight. The care table explains how far the compost may dry.
Water only when needed. The water should reach the root ball without spilling over the rim.
Remove surplus water from the saucer or cachepot. Then return the plant to a suitable position.
A living shell made of leaf pairs
Silver crown stands out through broad fleshy leaves with waved margins. The top pair especially recalls an open shell. A pale waxy coating makes the surface silvery, with green visible in places. In trade it is called Cotyledon undulata. The RHS treats this name under Cotyledon orbiculata var. oblonga. Because the name is used differently, we cautiously list the offered silver crown under its trade name. Its succulent leaves, bright position and airy root space determine care.
Assess the silver crown offered correctly
The shop states an 8.5 cm pot and about 12 to 15 cm overall height. The young plant may already show several well-formed leaf pairs but is not a mature shrub. A small open space shows waved margins better than a densely filled planting bowl. Place the container so leaves are not brushed when passing. Even if individual leaves almost look decorative, lift and move using the pot so pressure marks and rubbed areas do not develop.
Preserve the silver coating
The pale surface is not dust to polish away. It belongs to the leaves’ natural protection. Avoid leaf shine products and vigorous wiping. A dry sheltered position also prevents splashwater and soil continually dirtying leaf pairs. Plenty of light supports development. Sun is possible after slow acclimatisation; do not immediately place a freshly delivered plant in hot midday sun. In summer it may stand sheltered outdoors. Prolonged rain and frost do not suit this pot cultivation.
Water with a look at the root ball
During growth, water only after soil dries and let excess drain. Fleshy leaves store reserves, while constantly moist roots may suffer damage. Both must be considered together. A light container with dry compost is supplied differently from a heavy wet pot with limp foliage. The cover pot must not keep an unseen water residue. Reduce markedly in winter during lower growth. Exact intervals depend on light, temperature, pot size and compost; a fixed weekday is too imprecise.
Little fertiliser and a suitable container
A well-drained succulent mix loosened with mineral components is sensible. Feed weakly during active growth following product instructions, pausing in rest. A larger pot becomes necessary only when roots use the existing space well or compost loses structure. Protect leaf pairs when repotting and do not set the base deeper. A heavy stable cover pot may later prevent tipping but must remain checkable. The plant is kept as an ornamental and is not used for cooking or home remedies.
Flowers, older leaves and healthy development
Older Cotyledon plants may produce stems with hanging tubular flowers. For this small silver crown, healthy foliage comes first; no particular flowering is guaranteed. Individual older lower leaves may dry over time. Rapidly softening areas or a dark moist base instead warrant checks of water balance and roots. Inspect leaf axils for mealybugs. Propagation using suitable healthy shoot sections is possible but not a necessary care step on the young plant. Clean hands after working and keep plant parts away from children and pets.
One plant, several views
Good to know
Is the white layer mould?
The even silver coating is a plant feature. New cotton-like nests or soft damaged areas must be distinguished from it.
Why is undulata called a trade name here?
The name is used differently botanically. The RHS assigns silver crown to Cotyledon orbiculata var. oblonga; we avoid an unconfirmed definite species identification.
How large is the plant offered?
An 8.5 cm pot and about 12 to 15 cm overall height are stated.
Can silver crown stay outdoors in winter?
Bright frost-free overwintering is intended for this small potted plant.
Sources and editorial note
- Product and delivery contents: Exotenherz
- Royal Horticultural Society: plant and care knowledge
- SANBI PlantZAfrica: plant profile and cultivation
- SANBI PlantZAfrica: plant profile and cultivation
Sources checked: 15 September 2026. Product information and delivery contents follow the linked shop offer. Care has been checked against the stated specialist sources and remains subject to plant condition, position and season.


