How much sunlight does Pencil cactus need to grow?
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Pencil cactus should get at least 6 hours of sun per day, and preferably more. An actual minimum number of hours can vary depending on the intensity of sunlight and other environmental factors, but it is unlikely that the Pencil cactus will get too much sunlight. They do fine with up to 14 hours of sun per day.
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A species of Spurges, also known as Aveloz, Pencil tree, Naled lady
Botanical name: Euphorbia tirucalli
Genus: Spurges
Description
Pencil cactus (Euphorbia tirucalli) is a small tree shrub that grows best in warm arid climates and is named for its pencil-sized succulent branches. Pencil cactus is native to black clay soils in Africa and can be poisonous if ingested. It produces a latex compound that can be poisonous and cause blindness.
Garden Use
Euphorbia, commonly known as spurge, is a very diverse genus of plants that belongs to the Euphorbiaceae family. Spurges are appreciated for the unusual beauty and vivid colors of their flowers and leaves. A long blooming period, unique inflorescences, easy maintenance, and good tolerance to drought and heat all make spurges favorite ornamental plants for landscaping and decorative gardening. Spurges include both annual and perennial species. Some of these species are herbaceous, while others are succulent.