Haworthia Care: Small Succulents for Indoor Light

Haworthia care suits beginners and anyone who wants succulents but doesn't have a sunny windowsill. These small, rosette-forming succulents from South Africa, including the popular zebra plant (Haworthiopsis attenuata, still widely sold as Haworthia), grow in the shade of rocks and shrubs in the wild. That makes them more tolerant of indoor light than most succulents. They stay small, grow slowly, multiply by offsets, and are safe for pets.

Haworthia care at a glance

The NC State Extension profile for Haworthia attenuata describes it as a small, clumping succulent suited to containers.

Light

Haworthias prefer bright, indirect light: an east window, a bright north window, or a spot a little back from a south or west window. A few hours of gentle morning sun is good. Hot afternoon sun through glass can scorch them or turn them red or brown, especially in summer. In low light, rosettes open up, leaves become pale and stretch towards the light ("etiolation").

They're one of the few succulents that grow well on a bright desk or shelf. Under a small LED grow light they do very well; see the grow light cost calculator to estimate running costs.

Watering

Use the soak and dry method: water thoroughly until it drains, then wait until the soil is completely dry before watering again.

Bottom watering is a good choice; see bottom watering plants. For more on succulents in general, see succulent care indoors.

Soil and pots

Haworthias need a very free-draining, gritty mix. Combine a cactus compost with an equal volume of pumice, perlite or horticultural grit. Their roots are fine and prone to rot, so drainage matters more than nutrients. Use small pots with drainage holes; terracotta helps the mix dry evenly. Use the soil mix calculator for quantities.

Repotting

Repot every two to three years in spring, or when offsets crowd the pot. Haworthias have a habit of shedding old roots each year and growing new ones, so it's normal to find some dry, dead roots when repotting. Trim them off, let any damaged roots dry for a day, and replant in fresh, dry mix. Wait about a week before watering. The repotting pot size calculator helps pick a size.

Temperature and humidity

Ordinary room temperatures suit them. They tolerate cool winters down to about 10°C if kept dry, which can encourage flowering. Keep them above 5°C and away from frost. Average indoor humidity is ideal; high humidity with still air encourages rot.

Feeding

Haworthias need very little fertiliser. Feed two or three times in spring or summer with a cactus fertiliser at half strength. Overfeeding causes soft, stretched growth. The fertilizer dilution calculator works out the dose.

Propagation

For offsets, let the cut surface dry for a day, plant in barely damp gritty mix, and wait a week before watering lightly. See how to propagate houseplants.

Popular haworthias

Rescuing an overwatered haworthia

Root rot is the main killer, but haworthias can often be saved if you act quickly:

1. Unpot the plant and brush off all the soil.
2. Inspect the roots and base. Healthy roots are firm and white or pale tan. Rotten roots are brown, hollow or mushy.
3. Cut away anything soft with a clean, sharp knife, including any rotten tissue at the base of the rosette, until you reach firm, healthy tissue.
4. Let it dry on a windowsill out of direct sun for three to seven days, until the cut surfaces callus.
5. Replant in dry, gritty mix and don't water for a week. Then water lightly and resume normal care once new roots form.

If the whole base has rotted, save any firm offsets or leaves and propagate them. See root rot treatment for more detail.

Haworthias in mixed succulent bowls

Haworthias are popular in mixed succulent bowls and dish gardens. Pair them with plants that like the same bright, indirect light, such as gasteria and small aloes, rather than sun-loving echeverias, which will stretch in the light haworthias prefer. Use a shallow bowl with drainage holes and a gritty mix, and water the whole bowl only when it's completely dry.

Flowers

Mature haworthias send up long, thin stalks with small white flowers in spring or summer. They're modest but a sign of a healthy, settled plant. Cut the stalk at the base once flowers fade, or leave it; it won't harm the plant.

Common problems

Mealybugs love tucking into tight rosettes, so check between leaves regularly. More pest advice is in houseplant pests.

Pet safety

The ASPCA lists haworthia as non-toxic to cats and dogs. That makes it a good swap for aloe vera, which is toxic to pets and looks similar at a glance. See aloe vera plant care for the difference, and pet-safe houseplants for more options.

Haworthia vs aloe

Where to put a haworthia

Good spots include a bright kitchen windowsill facing east, a desk near a north window, a bookshelf under a small grow light, or a bathroom windowsill with good light and air flow. Avoid dark corners and the hottest south-facing sills in summer.

Seasonal care

Bottom line

Haworthias need bright, indirect light, gritty fast-draining soil, and water only when the soil is fully dry. They're small, slow, pet-safe succulents that handle indoor conditions better than most, as long as you resist the urge to water too often.

Sources: NC State Extension Plant Toolbox, Haworthia attenuata; ASPCA, Haworthia.