Asphodelaceae
Cathedral Window Haworthia (Haworthia cymbiformis) Care Guide
Haworthia cymbiformis
An easy, low-maintenance succulent that thrives in bright, indirect light and needs to dry out completely between waterings. Grow in a fast-draining succulent or cactus mix, protect from intense midday sun which can scorch the leaves, and keep away from frost.
Every 18 days
Partial shade
10° - 29°C
30% - 50%
Categories
What is Cathedral Window Haworthia?
Cathedral Window Haworthia (Haworthia cymbiformis) is a easy-care plant from the Asphodelaceae family. Haworthia cymbiformis, commonly known as Cathedral Window Haworthia, is a small, clump-forming succulent in the Asphodelaceae family native to the Eastern Cape region of South Africa. It forms low rosettes of thick, translucent-tipped leaves that resemble tiny windows, allowing light to filter into...
Cathedral Window Haworthia grows up to 15cm, spread of 20cm, watering every 18 days, 10°C – 29°C, 30–50% humidity. It is suitable for indoor environments and safe for pets.
Unlike many tropical plants, Cathedral Window Haworthia tolerates watering mistakes. Best for beginners. Unlike many popular species, Cathedral Window Haworthia is safe to keep around pets. Without adequate drainage, root rot can develop within 36 days.
How to Care for Cathedral Window Haworthia?
TLDR: Cathedral Window Haworthia needs Partial shade, watering every 18 days, and temperatures between 10-29°C with 30-50% humidity.
How Often Should You Water Cathedral Window Haworthia?
Water deeply only when the soil is completely dry, roughly every 2-3 weeks in the growing season and even less in winter. Always let excess water drain away and never let the pot sit in standing water, since the fleshy roots rot quickly if kept wet.
How Much Light Does Cathedral Window Haworthia Need?
Provide bright, indirect light such as an east-facing windowsill; a little morning sun is fine but strong midday or afternoon direct sun can scorch the leaves and turn them reddish. In low light the rosette will stretch and lose its compact shape.
What Is the Best Soil for Cathedral Window Haworthia?
Use a very well-draining cactus or succulent mix, ideally amended with extra perlite, pumice, or coarse sand to prevent water from lingering around the roots. A slightly acidic to neutral pH (around 6.0-7.5) works well.
What Pot Should You Use for Cathedral Window Haworthia?
A shallow, wide terracotta or unglazed clay pot with drainage holes works best, since it wicks away excess moisture and suits its compact, shallow root system well.
Care Schedule
Fertilize
Every 60 days
Repot
Every 730 days
What Is Cathedral Window Haworthia and Where Does It Come From?
Haworthia cymbiformis, commonly known as Cathedral Window Haworthia, is a small, clump-forming succulent in the Asphodelaceae family native to the Eastern Cape region of South Africa. It forms low rosettes of thick, translucent-tipped leaves that resemble tiny windows, allowing light to filter into the leaf tissue for photosynthesis even when much of the plant is buried in sandy or rocky crevices in habitat. Unlike many succulents, its leaves are relatively soft and pliable rather than rigid, giving the rosette a cushion-like appearance. It slowly produces offsets around the base, eventually forming dense mounding clusters. In late spring to summer, thin wiry stalks rise above the foliage bearing small white to pale pink tubular flowers.
How to Propagate Cathedral Window Haworthia?
Offset division
Offsets with their own roots establish much faster and more reliably than leaf cuttings, so this is the preferred method for cymbiformis.
- 1 Gently remove the plant from its pot and brush away soil to expose the small offsets (pups) growing at the base.
- 2 Use a clean, sharp knife to separate an offset that already has some roots attached.
- 3 Let the cut surface callous over in a dry, shaded spot for 2-3 days.
- 4 Plant the calloused offset in a well-draining succulent mix and wait about a week before watering lightly.
Materials needed:
Leaf cutting
This method is slower and has a lower success rate than offset division, since Haworthia leaves root less reliably than many other succulents.
- 1 Select a plump, healthy, undamaged leaf and twist it gently away from the stem so it separates cleanly.
- 2 Leave the leaf in a dry, shaded spot for a few days until the cut end calluses over.
- 3 Lay the calloused leaf on top of a well-draining succulent mix, cut end lightly touching the soil.
- 4 Mist the soil lightly every few days and wait for roots and a tiny new rosette to form at the base.
Materials needed:
How Big Does Cathedral Window Haworthia Grow?
TLDR: Cathedral Window Haworthia can reach up to 15cm tall with Medium growth rate.
Max height
15cm
Spread
20cm
Growth rate
Medium
Foliage
Evergreen
Plant Uses
Ornamental
Great for decoration
Is your plant showing symptoms?
Click on the symptom to discover possible causes:
What Diseases Commonly Affect Cathedral Window Haworthia?
TLDR: Cathedral Window Haworthia is susceptible to 6 known diseases. Monitor regularly for early detection.
Root Rot
Root rot is a serious fungal disease that affects the root system of plants, causing them to decay and die. It is primarily caused by overwatering, poor drainage, or soil-borne fungi such as Pythium, Phytophthora, Rhizoctonia, and Fusarium. The disease thrives in waterlogged conditions where roots are deprived of oxygen, making them susceptible to fungal infection.
Mealybugs
Mealybugs are small, soft-bodied insects covered with a white, waxy, cottony material. They are common pests of houseplants and outdoor plants in mild climates. These sap-sucking insects feed on plant tissue, causing damage, stunted growth, and can lead to plant death if left untreated. They produce sticky honeydew which attracts sooty mold.
Spider Mites
Spider mites are tiny arachnids (less than 1/20 inch long) related to spiders and ticks that feed on plant sap. They thrive in hot, dry conditions and can cause significant damage to ornamental and vegetable plants. During severe infestations, crop losses can reach 14% or higher as these pests disrupt vital plant processes including photosynthesis, carbon dioxide absorption, and transpiration.
Aphids
Aphids are small, soft-bodied, pear-shaped insects (1/16 to 1/8 inch long) that feed by sucking nutrient-rich sap from plants. They reproduce rapidly and can quickly weaken plants, causing distorted growth and transmitting plant viruses. Aphids come in various colors including green, black, red, yellow, brown, and gray. They secrete honeydew, a sticky substance that attracts ants and encourages sooty mold growth.
Fun Facts
The translucent tips on its leaves act like tiny windows, letting light reach the photosynthetic tissue even when the plant grows partly buried in sand or gravel in the wild.
It is native to the Eastern Cape province of South Africa, often growing tucked into rock crevices for partial shade.
Unlike many succulents with rigid leaves, Haworthia cymbiformis has soft, almost fleshy foliage that gives it a cushion-like look.
Its offsets cluster together over time, eventually forming a dense mounding colony in a single pot.
Frequently asked questions
How often should I water Haworthia cymbiformis?
Is Haworthia cymbiformis toxic to cats and dogs?
Why are the leaves of my Haworthia turning red or reddish-brown?
How do I propagate Haworthia cymbiformis?
What kind of pot and soil does it need?
Compare with similar plants
| Attribute | Difficulty | Light | Watering | Pet Safe |
|---|---|---|---|---|
| Field Maple | Easy | Bright indirect | 14d | ✓ |
| Silver Birch | Easy | Direct sun | 14d | ✓ |
| Common Blanketflower | Easy | Direct sun | 10d | ✓ |
| Cushion Bush | Easy | Direct sun | 14d | ✓ |
Choose & Compare
Sources & References
- Haworthia cymbiformis (Cathedral Window Haworthia) - Gardenia.net
- Haworthia Cymbiformis Succulent Care - Succulent Plant Guru
- Haworthia cymbiformis - World of Succulents
- Haworthia Pests Problems - Nurserylady
- Root Rot - The Genus Haworthia
- Haworthia - NC State Extension Gardener Plant Toolbox
- How to Propagate Haworthia - The Next Gardener
