Haworthia Haworthia cooperi
At a glance
- Light
- Bright indirect
- 5000–30000 lux
- Water
- Every 14–21 days
- Soil completely dry between waterings
- Humidity
- 20–50%
- Tolerates dry air
- Temperature
- 10–30°C
- Ideal 18–27°C
- Soil pH
- 6–7.5
- fast-draining
- Mature size
- 10 cm tall
- 12 cm wide
- Native to
- South Africa
- Growth
- Slow
- Rosette
Watering calculator
Estimate how often to water your Haworthia based on pot size, light, and season.
Always check the top 2 cm of soil before watering. Calculator output is an estimate, not a schedule.
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Light requirements in detail
Haworthia prefers bright indirect (5000–30000 lux) . Bright filtered light is ideal. Direct afternoon sun can scorch translucent leaves. Tolerates lower light than most succulents.
A spot 1–2 meters from a bright east or south-facing window usually fits this range. Direct afternoon sun through unfiltered glass can scorch leaves; sheer curtains help diffuse it.
Watering in detail
Water Haworthia every 14– 21 days during the growing season, allowing Soil completely dry between waterings to dry between waterings. Reduce frequency in winter when growth slows.
This plant tolerates the occasional missed watering — err on the dry side rather than overwater.
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Frequently asked questions about Haworthia
How often should I water Haworthia?
Water Haworthia every 14–21 days during the growing season, allowing Soil completely dry between waterings to dry between waterings. Reduce frequency by 30–50% in winter.
What kind of light does Haworthia need?
Haworthia prefers bright indirect (5000–30000 lux). Bright filtered light is ideal. Direct afternoon sun can scorch translucent leaves. Tolerates lower light than most succulents.
Is Haworthia toxic to cats?
Haworthia is non-toxic to cats according to the ASPCA Animal Poison Control Center. Mild stomach upset is still possible if a cat chews the leaves, but it will not cause poisoning.
Is Haworthia toxic to dogs?
Haworthia is non-toxic to dogs according to the ASPCA. Mild stomach upset is still possible if a dog chews the leaves.
How big does Haworthia grow?
Haworthia reaches about 10 cm tall and 12 cm wide at maturity. Growth rate is slow.