Conophytum uviforme
| Light | Bright but filtered light; protect from harsh summer sun |
|---|---|
| Water | Autumn to spring only; keep dry through summer dormancy (see Watering) |
| Soil | Very free-draining mineral mix (see Soil and potting mix) |
| Temperature | Keep above freezing; frost-tender, USDA zones 9b–11 |
| Propagation | Division of clumps; seed |
| Toxicity | Generally regarded as non-toxic to cats and dogs |
Conophytum uviforme is a small, clump-forming mesemb from South Africa whose paired leaves fuse into rounded, flat-topped bodies with dotted, translucent-flecked tops. It multiplies readily into dense mats of little rounded heads — the grape-like clusters that give the species its name (uviforme meaning "grape-shaped") — and produces night-scented flowers in autumn. It is one of the more forgiving members of the genus Conophytum and a good introduction to these dwarf succulents.
Description
Conophytum uviforme consists of small, globose to obconic (inversely pear-shaped) bodies, each formed from a single pair of fused leaves. The bodies are typically 1–2 cm across, with a flat or gently domed top marked by a narrow fissure and, in many forms, a scattering of darker translucent dots or lines across the surface. Colour ranges from fresh green to grey-green, sometimes flushing reddish under bright light or stress.
The plant clusters freely, older specimens building up into low, rounded cushions of many heads. Flowers appear in autumn, opening in the evening and often carrying a light scent that attracts moths; they are usually pale — cream to white, sometimes pale yellow — with a fine fringe of petals. As with all conophytums, each head produces a papery sheath at the end of the growing season that dries around the new body forming inside.
Distribution and habitat
The species is native to the winter-rainfall regions of the Western and Northern Cape of South Africa, where it grows in dry, rocky ground. Plants often shelter among quartz pebbles, in rock crevices, or on exposed outcrops, tucked where a little shade and run-off collect. In habitat they endure long, hot, dry summers by shrinking into their dry sheaths and waiting for the cooler, moister months to resume growth.
Cultivation
Conophytum uviforme follows the winter-growing rhythm typical of the genus, and getting the watering cycle right is the key to success. Grow it in a very free-draining, mostly mineral mix in a shallow pot, in bright but filtered light. Begin watering in early autumn as the old sheaths split and new growth appears, keep the plant lightly moist through the cool growing months, then taper off in spring and keep it completely dry through its summer dormancy.
The most common mistake is watering during the summer rest, which quickly leads to rot. A little airflow and protection from the fiercest midday sun help keep the bodies plump and well-coloured rather than scorched. See Watering and Repotting for general technique; clumps are best repotted, if needed, at the start of the growing season.
Propagation
The easiest method is division: lift an established clump early in the growing season and separate rooted heads or small groups, letting any cut surfaces dry briefly before potting them into a gritty mix and beginning gentle watering. Because the species clusters so readily, division keeps a desirable form true to the parent. Seed is also straightforward and is the route to genetic variety, sown onto a fine mineral surface and kept humid in the cool season. See Propagation - offsets and Propagation - seed for fuller walkthroughs.
Common problems
- Rot — almost always from water during the summer dormancy, or from a mix that holds too much moisture; heads go soft and translucent.
- Failure to sheath cleanly — overwatering late in the season can leave heads swollen and prone to splitting instead of forming a tidy protective sheath.
- Etiolation — too little light makes the bodies stretch, pale, and lose their compact shape.
- Pests — mealybugs (white fluff between the heads and at the roots) and, less often, spider mites are the usual troublemakers. See Pests and diseases.
See also
- Conophytum — the genus overview
- Soil and potting mix · Watering · Propagation - offsets · Propagation - seed · Repotting · Pests and diseases