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Cactus Succulent

Adromischus marianiae

red coral

A species of small, slow-growing, evergreen perennial succulents, up to 15cm in height, forming clusters of rounded, textured, warty leaves which look a little like dried raisins. These vary in colour but are generally grey-green, red-brown or purple, depending on light levels. Greenish-pink flowers appear in summer

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing

Exposure

Sheltered

Drought resistance

Yes

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Crassulaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Clump forming
Genus: Adromischus are a genus of easily-propagated leaf succulents native to South Africa. Stems are thick and flowers bright green.
Name status: Correct

How to grow

Cultivation

Grow under glass in a sharply draining or proprietary cactus compost in full sunlight with good ventilation. Water during the growing season in spring to autumn, only when the soil has become dry. Withhold water altogether in the winter months and keep cool, but not lower than 7°C (45°F). A low nitrogen fertiliser can be applied two or three times during the growing season. See houseplant cacti and succulent cultivation for more detailed advice

Propagation

Propagate by leaf cuttings

Suggested planting locations and garden types

Houseplants
Patio and container plants
Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to mealybugs and greenfly

Diseases

Generally disease-free

Get involved

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