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Fairy Crassula
Crassula multicava
SA tree number
English: Fairy Crassula, Pitted Crassula
Afrikaans: Feetjie Crassula, Skaduplakkie
Zulu: uMadinsane
Historical scientific names: Crassula punctata
Crassula multicava, commonly known as Fairy Crassula or Skaduplakkie, is a highly popular and versatile indigenous evergreen succulent groundcover. It is valued for its lush, rounded, fleshy, glossy green leaves, which often develop reddish undersides, and its abundant sprays of delicate, tiny pinkish-white flowers. This hardy and fast-growing plant is an excellent choice for shaded areas, providing reliable groundcover and seasonal splashes of colour.
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Distinguishing features:
Leaves are fleshy, rounded to ovate, glossy bright green above, often with a reddish-purple underside.
Grows as a spreading, low-lying groundcover.
Produces abundant, delicate sprays of tiny, star-shaped pinkish-white flowers.
Spreads easily by producing plantlets (bulbils) on its flower stalks and stolons.
Thrives in shade, unlike many other succulents.
Overall appearance:
The Fairy Crassula (Crassula multicava) is a lush and appealing succulent groundcover that forms a dense mat of bright green foliage. Its most charming feature is the profusion of delicate, starry pinkish-white flowers that emerge on slender stalks, creating a 'fairy garden' effect, especially in winter. The rounded, glossy leaves, often with a touch of red on their undersides, provide attractive year-round cover even when not in bloom.
Height:
Typically grows 10 to 30 centimetres tall.
Width:
Forms a spreading mat, usually covering 30 to 60 centimetres wide, and can spread indefinitely given space, rooting wherever its stems touch the ground.
Leaves:
The leaves are opposite, fleshy, rounded to broadly ovate or elliptic, typically 2-6 cm long and 1-4 cm wide. They are a glossy bright green above, often with a distinctive reddish-purple or burgundy underside, particularly when exposed to some light or cooler temperatures. The margins are entire (smooth), and the leaf surface is smooth. New plantlets (bulbils) often form in the leaf axils of the flowering stems.
Flowers:
The flowers are very small (about 4-6 mm in diameter), star-shaped, with four slender petals. They are white to pale pink or purplish-pink, and are borne in abundant, delicate, airy sprays (panicles) atop slender, reddish flower stalks, typically 10-30 cm tall. The flowers are generally inconspicuous individually but create a striking mass effect. Crassula multicava flowers are hermaphroditic, containing both male and female reproductive parts.
Flowering season:
It primarily flowers in winter and early spring (around July to October), providing colour when many other plants are dormant.
Fruits:
The fruit is a small, dry, dehiscent capsule formed from the base of the flower. When mature, it splits open to release the tiny seeds.
Seeds:
The seeds are very small and fine. They are dispersed by wind.
Stems:
The stems are fleshy and green when young, becoming tougher and slightly woody at the base on older plants. They readily root at the nodes when they touch the ground, allowing the plant to spread effectively. It also produces aerial plantlets (bulbils) on its flower stalks.
Thorns:
None.
Roots:
It has a fibrous and relatively shallow root system, and readily produces adventitious roots from its spreading stems, enabling it to colonise areas quickly.
Soil type:
Adaptable to a range of well-drained soils, from sandy to loamy. It tolerates slightly heavier soils better than many other succulents, provided there is some drainage. It thrives in humus-rich soil.
Aspect:
Unusually for a succulent, Crassula multicava thrives in partial to full shade. While it can tolerate some morning sun, direct, harsh midday sun will scorch its leaves. It is moderately drought-tolerant but performs best with regular watering, especially in dry periods. It is moderately frost-tolerant; established plants can survive light to moderate frosts (down to -4°C to -7°C), often recovering even if foliage is damaged, but requires protection from severe frost.
Ediblity:
Not considered edible for humans.
Toxicity:
Like other Crassula species, Crassula multicava contains cardiac glycosides and is considered toxic if ingested. While specific toxicity data for this species might be less severe than for some other Crassula (like C. ovata), it is generally best to assume all parts are toxic. Ingestion can cause digestive upset. It is important to keep this plant away from children and pets.
Uses:
An exceptionally popular and highly recommended indigenous groundcover for shaded areas in gardens, under trees, or on slopes. It is excellent for mass planting, creating a lush, weed-suppressing carpet. It is also suitable for containers, hanging baskets, and as an indoor plant in bright, indirect light. Its low maintenance and spreading habit make it invaluable.
Ecology:
The small, pale flowers attract various small insect pollinators, particularly flies and small bees. Its ability to spread rapidly via rooted stems and plantlets allows it to form large colonies, providing excellent groundcover and microclimates. Its lush foliage provides shelter for small ground-dwelling creatures.
Distribution and habitat:
Crassula multicava is indigenous to South Africa, specifically found in the Eastern Cape, KwaZulu-Natal, Mpumalanga, and Limpopo provinces. Its range extends into neighbouring countries such as Eswatini (Swaziland) and Mozambique. It typically grows in moist, shaded areas of evergreen forests, forest margins, and along stream banks, often in humus-rich soils, from coastal regions to higher altitudes.
Derivation of name:
The genus name Crassula comes from the Latin word 'crassus', meaning 'thick' or 'fat', referring to the fleshy, succulent leaves of plants in this genus.
The species epithet multicava is derived from the Latin words 'multi' (many) and 'cavus' (hollow), possibly referring to the small depressions or pits sometimes visible on the leaf surface, or perhaps the numerous small roots that form when it spreads.
The common name "Fairy Crassula" refers to its delicate, ethereal flower sprays.
"Skaduplakkie" (Afrikaans) translates to "Shade Succulent," highlighting its unusual preference for shaded conditions compared to most succulents.
Historical aspects:
Crassula multicava has been a staple in South African gardens for many years due to its reliability and adaptability to shaded areas, a niche often difficult to fill with other indigenous plants. Its ease of propagation and fast-spreading nature have contributed to its widespread use. It has also played a role in traditional applications, albeit with the caution associated with its toxicity. Its resilience in its natural forest undergrowth habitat underscores its ecological significance.
Interesting facts:
This succulent is a bit of an oddball – unlike most succulents that love blazing sun, it thrives in the shade!
It's super easy to grow because it's a champion at making "babies" (plantlets) directly on its flower stalks, which you can easily snip off and plant to make more plants.
Its tiny, star-shaped flowers create a delicate, almost magical 'fairy garden' effect when they bloom in winter.
If you look closely at the underside of its leaves, you'll often see a beautiful reddish-purple blush, adding a pop of colour.
Growing tips:
Propagation: Extremely easy to propagate from stem cuttings or the plantlets (bulbils) that form on the flower stalks. Simply snip them off and place them on top of well-drained soil, and they will root readily.
Light: Prefers partial to full shade. Avoid harsh, direct midday sun.
Watering: Water regularly, especially during dry periods, allowing the soil to dry out slightly between waterings. It tolerates more water than many other succulents but still requires good drainage.
Soil: Adaptable to most well-drained soils; enriching with compost is beneficial.
Container: Excellent for pots, hanging baskets, and as a groundcover under trees.
Maintenance: Very low maintenance. No significant pruning is typically required, other than removing spent flower stalks if desired.
This plant is a fantastic alternative for:
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