![]() These are relatively easy to control with insecticidal soap or washing. Pests: Occasional aphids on flower clusters. The plant tolerates the rare Bay Area hills snow dusting and it tolerates temperatures of 10 to 110 degrees. Feed a dilute organic balanced fertilizer in spring. They are generally suited to low water, but prosper with some summer water. Once they do, well probably sell out in a flash, so think about picking one. Water requirements depend on soil and weather. One of the most endangered Aloe species endemic to the high plains of the. It performs best when planted on a slope (or planted up at a slight angle so water does not collect in the spiral), where it can enjoy sun, or part shade in the hottest areas. One of its main requirements is well-drained soil. Propagation: It can be grown from seed, but to get viable seed, a plant must be intentionally pollinated from another spiral aloe.Ĭultivation: The species is generally said to be difficult to grow in cultivation, but it appears to thrive in the climate of the Bay Area, especially cool and foggy coastal areas. Since it remains green year-round, it provides continuing pleasure in both its form and its bloom. This beautiful and rare species evolved in the high mountain elevations of South Africa, where it experiences relatively cool summers and winter snow, but it seems especially happy in our coastal climate. After several years it may flower annually, sending up a stalk several feet tall, topped with a bright inflorescence ranging from dull red to salmon pink that lasts for weeks in late spring or early summer. ![]() It is relatively fast growing, reaching several feet in diameter and occasionally bifurcating into two heads. The name is derived from the exotic spiraling of the leaves that form a tightly clustered and intriguing rosette. Once rare in cultivation and now threatened with extinction in the wild, it has recently become more available in the nursery trade. One of the most unusual and unique for our climate is the South African spiral aloe, Aloe polyphylla. Description: The aloes comprise a striking array of succulents for Bay Area gardens, varying widely in form and size with many displaying impressive floral features. ![]()
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