Leaf retention: Cold and drought deciduous.
Growth rate: Moderate to rapid depending upon water.
Mature Size: 20-30' high and 20-40' wide.
Flowers: Showy 1" yellow flowers with five petals.
Bloom: A profuse bloom in spring, lasting about one month. Some individuals may
continue to produce a few flowers through summer. Bloom times start later at higher elevations.
Fruit: Light brown seed pods vary from few to many, depending on cultivar.
Leaves: Small, oval, green leaflets. This tree provides light, filtered shade.
Stems: Yellow-green, photosynthesizing, smooth bark, spineless, or spines are weak
Wildlife: The seedpods attract birds and small mammals.
Toxic / Danger: No.
Origin: California, Nevada, Arizona, and Mexico.
Cultivation and Uses
USDA hardiness zones: 8-11a.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun.
Water once established: Deep water once a month. Supplemental water improves growth rate.
Soil: Well drained, pH 5.6-8.5 (acidic to alkaline). *Do not use a nitrogen fertilizer.
Prune: In warm weather, remove the lowest branches for walk-under tree.
Litter: Flowers, pods.
Propagation: Cuttings. The seed is not true to its parents.
These hybrids are crosses between Blue, Yellow, and sometimes Mexican, Palo Verde species
which are members of the Legume family (Fabaceae). The most well-known hybrid is 'Desert
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Latest update: November 2020.