Haworthia: care and species, from zebra fasciata to cooperi

Haworthia is a small rosette-forming succulent native to South Africa that needs only an east- or west-facing window and watering when the soil feels dry to the touch: it is one of the easiest succulents to keep indoors. Its name now covers two genera: Haworthia, such as Haworthia cooperi with its translucent leaves, and Haworthiopsis, which includes the famous “zebra Haworthia” fasciata and attenuata.

This guide details its care season by season, compares 7 species with sourced data, explains the new names and toxicity, and then directs you to our cacti and succulents.

🌟 Why Haworthia is the succulent for small spaces

Haworthia is ideal for apartments because it stays small, grows slowly, and tolerates more moderate light than most succulents. According to the University of Wisconsin Extension, a rosette usually measures 2.5 to 7.5 cm in diameter, and the genus includes about 60 species and 150 named varieties.

According to NC State Extension (North Carolina State University), Haworthiopsis attenuata can live up to 50 years. In return, it is sensitive to overwatering, especially in winter.

📊 Haworthia and Haworthiopsis species compared

The most cultivated species stand out for their foliage, size, and preferred exposure; all are rated H2 by the RHS. On the RHS hardiness scale, H2 means the plant survives a cold snap of 1 to 5 °C but not frost; in cultivation, the RHS recommends keeping Haworthias above 10 °C.

The accepted name comes from POWO and the RHS; the old name remains common in trade.

📋 Quick care sheet

Common care guidelines for indoor Haworthias, according to the RHS, the University of Wisconsin, and NC State.

🪏 How to care for a Haworthia in 6 steps

To care for a Haworthia, first give it light, then a very well-draining substrate, and only water when the substrate is almost dry. According to the RHS (Royal Horticultural Society) Haworthia genus guide, plants rot if they are overwatered or left in moist substrate, especially in winter. Here are the six steps that are enough all year round.

🧭 Where to place a Haworthia in the house?

Place your Haworthia near an east- or west-facing window, within reach of a few hours of direct sun, away from radiators and cold drafts. It tolerates modest light better than many succulents, but no Haworthia lives long at the back of a room without supplemental light.

🏷️ Haworthia or Haworthiopsis: why the names changed

The zebra Haworthias in trade are no longer Haworthias in the botanical sense: they have been moved to the genus Haworthiopsis.

For POWO (Plants of the World Online, Royal Botanic Gardens, Kew), Haworthiopsis attenuata has been the accepted name since its publication by G.D.Rowley in 2015, and the name Haworthia attenuata becomes a synonym (Haworthia attenuata POWO sheet).

Similarly, Haworthia fasciata is now only a synonym of Haworthiopsis fasciata according to the Haworthia fasciata POWO sheet, and the RHS also places Haworthiopsis limifolia under this new genus. Haworthia cooperi, Haworthia retusa, and Haworthia truncata remain Haworthias for the RHS. These plants share the same care: only the labeling changes.

The University of Wisconsin reminds us that the genus Haworthia was created in 1809 by the Frenchman Henri Duval, and that they were previously classified among the aloes; their cousins are Gasteria, about 15 species with red to orange flowers, and Astroloba, about 10 species.

🦓 Zebra Haworthia and Cooper's Haworthia: how to recognize them

To distinguish the two zebra Haworthias, look at the inner surface of the leaves: smooth in Haworthiopsis fasciata, covered with white tubercles in Haworthiopsis attenuata. NC State notes that attenuata is often sold or labeled incorrectly as fasciata, which explains the confusion of labels.

The name attenuata evokes leaves that taper to fine thread-like points, and fasciata describes leaves marked with transverse bands (NC State). In terms of size, NC State gives 10 to 15 cm for fasciata and 10 to 30 cm tall for attenuata, which readily forms a carpet of rosettes. The two are cared for in exactly the same way.

Haworthia cooperi is the other great classic: a low clump of pale green fleshy leaves of 5 cm at most, with translucent tips and fringed edges, according to the RHS. It gives it 10 cm tall, maturity in 5 to 10 years, and white to rosy-white flowers in spring or summer, on stems up to 40 cm.

The RHS places it in east or north exposure, sheltered, like Haworthia retusa; for the rest, it is cultivated exactly like the zebra species.

🐾 Haworthia and animals: what the ASPCA says

The ASPCA publishes a genus sheet, the ASPCA “Haworthia” sheet (American Society for the Prevention of Cruelty to Animals), based on “Haworthia species”, which states “Non-Toxic to Dogs, Non-Toxic to Cats”.

It also has species sheets: the Zebra Haworthia sheet, on Haworthia fasciata, states “Non-Toxic to Dogs, Non-Toxic to Cats, Non-Toxic to Horses”, and the ASPCA Little Zebra Plant sheet, on Haworthia subfasciata, bears the same mention.

The ASPCA does not have its own sheet for Haworthia limifolia, cooperi, retusa, or truncata: its genus sheet does not distinguish species. For its part, NC State classifies Haworthiopsis attenuata and Haworthiopsis fasciata as non-toxic to cats, dogs, and horses.

Find our lists of non-toxic plants for cats and non-toxic plants for dogs.

🌱 Propagating a Haworthia: offsets, division, and sowing

The easiest way to multiply a Haworthia is to detach the offsets growing at its base. The University of Wisconsin explains that most species form clumps of young plants, offsets, and that leaf propagation is mainly practiced by professionals for species that produce few of them.

The RHS recommends dividing the clumps by separating the small outer rosettes, then repotting them one by one. Let the wound dry in the air before placing them in dry substrate, and water only lightly afterwards. Seeds germinate in 1 to 2 weeks if they stay moist (University of Wisconsin).

To learn more, our cactus and succulent care guide details succulent cuttings.

🪴 Haworthia Flowers, Substrate, and Repotting

Haworthia flowers indoors, but its flowers are inconspicuous: small white tubular flowers at the end of long, slender stems. The RHS describes Haworthiopsis fasciata as having flower stems up to 40 cm in summer, and Haworthia retusa as having white flowers at the end of winter. The University of Wisconsin considers them unimpressive but rewarding.

For the substrate, it recommends mixing good potting soil with an equal part of drainage material and repotting every 2 to 3 years.

Wait until the plant has acclimated before changing its pot: our guide explains when to repot a plant after purchase, and how to choose between a terracotta or plastic pot.

🗓️ The Haworthia Care Calendar

Haworthia is mainly grown from late winter through spring, when the days get longer, according to the University of Wisconsin; the RHS recommends a cool rest period in winter, with only light watering. In summer, it tolerates heat if it is slightly shaded and well-ventilated (University of Wisconsin).

For your entire collection, also read our guide to indoor plants in winter.

📅 Care Calendar by Season

🐛 Common Mistakes with a Haworthia

The most common mistake with a Haworthia is overwatering, which rots the roots, followed by a lack of light, which dulls its white patterns. Here are the symptoms to recognize and the right response to each.

🌿 Our Haworthias and the guides to growing them successfully

Here is our Haworthia, succulents to pair it with, and the sheets that complete this guide.

✅ Our tips for growing your Haworthia successfully

To grow your Haworthia successfully, remember three rules: a bright east or west window, watering by feel in a mineral substrate and a pot with drainage holes, and a cool winter above 10°C. Whether the label says Haworthia or Haworthiopsis, the care is the same.

Find our succulents in the cactus and succulents collection and other ideas among our easy-care plants.