Haworthia arachnoidea, locally known as "papierrosie" (paper-rose) or "spinnekopnes" (spider-nest), is the type species of the genus Haworthia, in the family Asphodelaceae, in the Western Cape Province of South Africa.The plant has numerous dark green leaves, covered in translucent bristles, in a dense rosette. The leaves themselves are without translucent tips, unlike some other Haworthia species. The rosettes dry and contract in the arid summers.It is sometimes confused with the widespread Haworthia decipiens (decipiens = deceptive) which occurs in the Great Karoo to the east. However H. decipiens has shorter, flatter, wider leaves; a lighter colour; translucent leaf tips; larger and sparser bristles which are mainly only on the leaf margins; and only a very weak leaf keel.
Cobweb Aloe Care
Haworthia Arachnoidea
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Humidity
Dry
Lighting
Full Sun
Temperature
24°C - 32°C
Hardiness zone
10a - 11b
Difficulty
Easy
How to Care for the Plant
Water
Water evenly and generously in the summer, letting the soil media dry out between waterings. In the winter, reduce watering to every other month. Never allow water to collect in the rosette.
Fertilizer
Fertilize during the summer growing season with a cactus fertilizer. Don't feed during the winter.
Sunlight
Haworthia species like bright light, but not direct sunlight. These grow in similar conditions to other succulents. In their native environment, they are often found in the shade of a rock or other object. They do best in a room with a window facing east or west to provide bright light for a few hours a day. White or yellow leaves usually signify too much sun. If the plant isn't getting enough light, its green color will fade. If you move your indoor Haworthia outdoors for the warmer months, ease the plant into more and more direct light per day or, like a human, it may get a sunburn.
Soil
Use a cactus mix or very fast-draining potting soil. Many growers warn that mixing potting soil with sand clogs up the pores so the soil doesn't drain as well, so sand should be avoided. Instead, mix with perlite, aquarium gravel, or pumice.
Temperature
Haworthia species like warmer temperatures in the summer but cool in the winter (down to 50 degrees Fahrenheit). They can get a freezing injury at 40 degrees Fahrenheit.
Popularity
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