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Opuntia Crazy White is a rare and unusual variety of prickly pear cactus admired for its striking white spination and bold sculptural form. Belonging to the Cactaceae family, it is thought to be a cultivar ofOpuntia microdasys (commonly called the Bunny Ear Cactus), though Crazy White stands out for the dense clusters of brilliant white glochids that cover its pads.
The plant grows in an upright, branching manner, forming flat, oval pads that stack on top of one another. Each pad is dotted with neat clusters of short, hair-like glochids in this cultivar, these are a pure snow-white, giving the plant an almost frosted or woolly appearance. The effect is both ornamental and architectural, making it an excellent choice for collectors of rare cacti and those seeking a visually dramatic houseplant.
In maturity, Opuntia Crazy White can produce small, bright yellow flowers in summer, followed by edible fruits, although flowering indoors is less common. Its compact, clumping growth habit makes it ideal for pots and containers, where it can serve as a conversation piece on sunny windowsills, conservatories, or cactus displays.
Requires full sun to maintain its compact shape and vibrant white colouring. Place in the brightest possible spot indoors, ideally a south-facing window. Outdoors in summer, it thrives in direct sunlight. Without enough light, pads may stretch (etiolate) and lose their neat appearance.
Water sparingly. In spring and summer, allow the soil to dry out completely between waterings before soaking thoroughly. In autumn and winter, reduce watering to once a month or less, as the plant enters dormancy. Overwatering is the most common cause of problems.
Temperature: Prefers warm conditions between 1830C. It can tolerate cooler conditions down to around 57C if kept dry.
Humidity: Naturally suited to dry air; avoid overly humid environments.
Use a very free-draining cactus mix with added sand, grit, or perlite. A shallow pot with drainage holes works best, as the roots are relatively shallow. Repot every 23 years in spring to refresh the soil, being careful when handling the pads as the glochids detach easily.
During the active growing season, feed once a month with a cactus fertiliser low in nitrogen but higher in phosphorus and potassium to support healthy pad development and potential flowering. Do not fertilise in winter.
Pruning is rarely needed except to remove damaged pads. Pads can be easily propagated allow cut segments to callous over for a few days before placing in dry cactus soil. New roots will form within weeks.
If grown in strong light and mature enough, Opuntia Crazy White may produce bright yellow flowers in summer, followed by small prickly pear fruits. Indoor flowering is rare but possible in optimal conditions.
Shrivelling pads: Sign of prolonged drought give a deep watering.
Soft, mushy pads: Usually caused by overwatering or poor drainage.
Pests: Can occasionally be attacked by mealybugs or scale; inspect regularly and remove infestations promptly.
Opuntia Crazy White is prized for its ornamental value rather than its fruit. Its distinctive snow-white glochids create an unusual visual contrast against the green pads, making it a collectors plant and a decorative addition to sunny indoor spaces. Its easy care and drought tolerance also make it a rewarding cactus for beginners interested in more unusual varieties.
Quick Care Summary
Light: Full sun indoors or outdoors
Water: Let soil dry completely between waterings
Temperature: 1830C; minimum 57C if dry
Soil: Gritty, well-draining cactus mix
Feed: Monthly in growing season
Growth: Upright pads with dense white glochids; may flower in summer