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Category: Shrub |
Family: Apocynaceae (Dogbanes & Milkweeds) |
Origin: West Indies (North America) |
Evergreen: Yes |
Flower Color: Yellow |
Bloomtime: Summer/Winter |
Synonyms: [Cascabela thevetioides] |
Height: 8-12 feet |
Width: 8-12 feet |
Exposure: Full Sun |
Irrigation (H2O Info): Medium Water Needs |
Winter Hardiness: 25-30° F |
May be Poisonous (More Info): Yes |
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Thevetia thevetioides (Giant Thevetia) - A small, open, evergreen tropical tree from Puebla and Oaxaca Mexico that grows typically as a large shrub in Southern California where it reaches to 15 feet tall and is sparsely foliaged with attractive dark green leaves at the branch tips; the linear leaves are 3 to 6 inches long by ½ inch wide with the edges rolled underneath and pronounced veins on underside of the leaf. From mid-summer to late fall this plant produces showy 4 inch wide bright yellow funnel-shaped flowers. Plant in full sun and give regular irrigation in the summer. Hardy to 27 F. The specific epithet thevetioides means "similar to the Thevetia" as reference to the similarity of this plant with the plants in the C.S.Kunth (1819); genus Thevetia. This name makes more sense now that the original name, Cascabela thevetioides, that German botanist Carl Sigismund Kunth (1788-1850) first used to describe this plant in 1819, has been resurrected. We continue to use the name Thevetia thevetioides until this name change gains more general acceptance. The name Cascabela comes from the common name "Cascabel" used for this plant in Mexico. Other common names used for this plant include Giant Helveti, Giant Lucky Nut and Be-still Tree.
The information about Thevetia thevetioides displayed on this page is based on research conducted in our nursery library and from online sources we consider reliable. We will also relate those observations made of this plant as it grows in our nursery gardens and in other gardens that we have visited, as well how the crops have performed in containers in our nursery field. We will also incorporate comments we receive from others and welcome hearing from anyone who has additional information, particularly when they share cultural information that would aid others in growing it.
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