Sedum pachyphyllum
| Light | Bright light to full sun; colours best with strong light |
|---|---|
| Water | Water thoroughly when the soil dries; reduce in winter |
| Soil | Fast-draining gritty mix (see Soil and potting mix) |
| Temperature | Keep above freezing; USDA zones 9b–11 |
| Propagation | Very easy from stem cuttings or dropped leaves |
| Toxicity | Generally regarded as non-toxic to cats and dogs |
Sedum pachyphyllum is an easygoing, shrubby stonecrop from Mexico with upright, branching stems clad in plump, club-shaped blue-green leaves whose rounded ends often blush red in strong light. The chubby, finger-like leaves give the plant its familiar common name jelly beans, and make it one of the most recognisable and forgiving succulents for a sunny windowsill.
Description
Sedum pachyphyllum is a small, spreading subshrub that grows to roughly 20–30 cm tall, with stems that start upright and sprawl or trail with age as they lengthen. The leaves are the main event: cylindrical to club-shaped, thick and firmly packed with water, a soft blue-green dusted with a light waxy farina. Each leaf tip tends to redden — from a faint rosy point to a bright red-orange cap — when the plant receives ample sun, and the crowded leaves along a stem read like a cluster of small fingers or beans.
Mature plants may produce clusters of small, star-shaped yellow flowers in spring, held on short stalks above the foliage. The leaves detach fairly easily when handled, which is a nuisance for tidiness but a bonus for propagation.
Distribution and habitat
The species is native to Mexico, where it grows on rocky slopes and outcrops in the Oaxaca region. In habitat it enjoys strong light, sharp drainage and long dry spells, storing water in its swollen leaves to ride out drought — the traits that make it so tolerant of neglect in cultivation.
Cultivation
Sedum pachyphyllum is about as beginner-friendly as succulents get. Give it the brightest spot you can, ideally full sun with good airflow, which keeps the growth compact and brings out the red leaf tips; in low light the stems stretch, lean and lose their colour. Grow it in a free-draining, gritty mix and water thoroughly only once the soil has dried out, easing right off through the cooler, darker months to prevent rot. See Watering and Repotting for general technique.
Like many chubby-leaved sedums it appreciates a little more water than truly desert cacti, but standing wet is the quickest way to lose it — soft, translucent or dropping leaves usually mean too much water rather than too little. It is only lightly frost-tolerant, so bring it in or protect it where winters dip below freezing.
Propagation
Propagation could hardly be simpler. Individual leaves that fall or are gently twisted off will often root and form a tiny plantlet where they touch the soil, and stem cuttings root readily after a day or two of drying to callus. Lay leaves on top of a barely-moist gritty mix, or insert callused cuttings, keep them bright and lightly watered, and new growth follows within a few weeks. See Propagation — leaf and Propagation — cuttings for full walkthroughs.
Common problems
- Rot — from overwatering or a slow-draining mix; stems and leaves turn soft, translucent and mushy from the base.
- Etiolation — too little light stretches the stems, widens the leaf spacing and washes out the red tips.
- Leaf drop — the leaves detach easily when knocked or moved; a stressed or overwatered plant sheds them more readily.
- Pests — mealybugs (white fluff tucked between the leaves and stems) and the occasional aphid on flower stalks; see Pests and diseases.
See also
- Sedum — the genus overview
- Soil and potting mix · Watering · Propagation — cuttings · Propagation — leaf · Repotting