Aloe haworthioides
| Light | Bright light to light shade; some direct sun brings out compact form |
|---|---|
| Water | Regularly in growth, letting the mix dry between waterings; keep drier and cooler in winter |
| Soil | Free-draining gritty mix (see Soil and potting mix) |
| Temperature | Keep above freezing; roughly USDA zones 9b–11 |
| Propagation | Offsets (primary); also seed |
| Toxicity | Mildly toxic to cats and dogs if eaten |
Aloe haworthioides is a dwarf, clumping aloe from the highlands of Madagascar, its small rosettes so densely fringed with soft white bristles and marginal teeth that it is often mistaken for a Haworthia — hence the name. It is one of the smallest and most charming of the aloes, forming tight cushions of miniature rosettes that spread happily into a pot.
Description
Aloe haworthioides forms diminutive rosettes only a few centimetres across, made up of narrow, incurved, dark green to bronzed leaves. Both the leaf surfaces and margins are covered in soft, hair-like white bristles and pale teeth, giving the plant a fuzzy, frosted appearance quite unlike most aloes. The overall effect — small, tightly packed, bristly rosettes — is what earns the comparison to a haworthia.
Plants offset freely, so a single rosette soon becomes a low, spreading clump. In the growing season mature rosettes send up a slender inflorescence carrying small tubular flowers in soft pink to orange tones, held well above the foliage.
Distribution and habitat
The species is endemic to Madagascar, where it grows in the central highlands among rocks and in gritty, well-drained ground. In habitat it experiences a distinct seasonal rhythm of warm, wetter growing months and a cooler, drier rest, a pattern worth roughly echoing in cultivation.
Cultivation
Aloe haworthioides is an easygoing and forgiving little plant, well suited to a bright windowsill or a spot in the collection with plenty of light. Grow it in a free-draining, gritty mix in a shallow pot that gives the spreading clump room to fill out. Bright light — including some gentle direct sun — keeps the rosettes tight and compact; in too much shade they stretch and lose their neat, bristly character.
Water regularly through the warm growing season, allowing the mix to dry out between waterings, then ease right back in winter, keeping the plant cool and largely dry to prevent rot. As with most succulents, far more plants are lost to overwatering than to neglect. See Watering and Repotting for general technique.
Propagation
Because the species clumps so readily, the simplest method is division: lift a congested clump and separate rooted offsets, letting any cut or torn surfaces dry briefly before potting them up. See Propagation — offsets for details. It can also be raised from seed, which is how new genetic material and hybrids are produced.
Common problems
- Rot — usually from overwatering, a heavy mix, or cold wet conditions in winter; rosettes soften and collapse from the base.
- Etiolation — too little light makes the rosettes open up, stretch and lose their dense bristly look.
- Pests — mealybugs can hide among the crowded rosettes and root systems; watch for white fluff. See Pests and diseases.
See also
- Aloe — the genus overview
- Haworthia — the look-alike genus this species is named for
- Soil and potting mix · Watering · Propagation — offsets · Repotting