in Tucson, Phoenix,
and Southern California

Gardening in Tucson, Phoenix, and Southern California

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Tecoma stans var. angustata: Yellow Bells

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Form: Shrub.
Leaf retention: Evergreen to cold deciduous. Dies to the ground in temperatures below 25°F. Revives in spring. Tip damage at 28°F.
Growth rate: Rapid.
Mature Size: 4-10' high and nearly as wide, depending on winter temperature.
Flowers: Yellow, bell-like, 2" long. Some hybrids have an orange tinge.
Bloom: Spring to fall.
Fruit: Long, narrow seedpods containing seed with papery wings.
Leaves: Narrow, serrate edges, 1/2" wide, glossy bright green.
Stems: No thorns.
Wildlife: Attracts hummingbirds, bees. Seeds attract small mammals. Deer browse foliage.
Toxic / Danger: No.
Origin: Arizona through Texas and tropical and subtropical Americas.

Cultivation and Uses
USDA hardiness zones: 7-11.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Part shade to full sun.
Water once established: Once or twice a month in part shade. Weekly in full sun in hottest months of year.
Soil: pH 5.6-8.5 (acidic to alkaline).
Prune: In late winter to remove damaged stems above the crown.
Litter: Moderate due to seedpods.
Propagation: Seeds and cuttings.
Uses: Ornamental.

Tecoma Stans var. Stans, a moderate water subspecies sold in nurseries, is not as cold or drought hardy, and comes in yellow and orange versions. Hybrids of v. angustata and v. stans need less water and have intermediate hardiness.

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