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| Category: Tree |
| Family: Bignoniaceae (Bignonias) |
| Origin: Venezuela (South America) |
| Flower Color: Golden |
| Bloomtime: Spring |
| Synonyms: [Tabebuia chrysotricha] |
| Height: 15-25 feet |
| Width: 10-20 feet |
| Exposure: Full Sun |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: 25-30° F |
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Handroanthus chrysotrichus (Golden Trumpet Tree) - Beautiful medium-sized round-headed tree to 25 feet with palmately-parted olive-green leaves that have golden tomentose on the underneath side. Spectacular mid-spring 3 to 4 inch long golden yellow trumpet flowers appear while trees are leafless or just emerging in the spring. Tolerates temperatures into mid 20s F and looks best with occasional to regular watering in warm months though we have noted that plants flower best when not overwatered. In 2007 studies on the genus Tabebuia determined it to be polyphyletic (because as it has stood it includes Crescentia, Spirotecoma, and Ekmanianthe) with the solution being to split some members of the genus, including the two species commonly grown in California, into the new genus Handroanthus. Plants so separated can be distinguished from true Tabebuia based on the fact that they all have minute hairs on the leaves and flowers. Because of this, Tabebuia chrysotricha becomes Handroanthus chrysotrichus, and Tabebuia impetiginosa becomes Handroanthus impetiginosus. The genus name comes from a combination of 'Handro', for a 20th century Brazilian botanist Oswaldo Handro and 'anthos' from Latin for flower.
This information about Handroanthus chrysotrichus displayed is based on research conducted in our horticultural library and from reliable online resources. We also will relate observations made about it as it grows in our nursery gardens and other gardens we have visited, as well how the crops have performed in containers in our nursery field. We will also incorporate comments that we receive from others and we welcome hearing from anyone with additional information, particularly if they can share any cultural information that would aid others in growing it.
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