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Zones vary by species.
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Full
Regular WaterMinimal Water
Moderate, Minimal
Toxicity
Pods and seeds are poisonous if ingested.

Caesalpinia

Fabaceae (Leguminosae)
Deciduous, Evergreen, Shrubs, Trees

Ferny-leafed plants grown for branch-end clusters of colorful blossoms featuring (except in the case of C. platyloba) protruding stamens. Plants grow quickly and easily in hot, sunny locations if given light, well-drained soil and infrequent, deep watering. Prune before first flush of spring growth to remove any dead or damaged wood and wayward branches; remove lower limbs for treelike shape in shrubby species. Blooms attract hummingbirds.

Caesalpinia gilliesii (photo courtesy of Denver Botanic Gardens)
Caesalpinia gilliesii (photo courtesy of Denver Botanic Gardens)

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Caesalpinia gilliesii

Evergreen to deciduous South American shrub or tree; drops leaves in cold winters. Zones 8–16, 18–24; occasionally seen in Zones 6, 7. Tough, fast growing to 10 ft. tall and 8 ft. wide, with finely cut foliage and an open, angular branch structure. Yellow summer flowers have bright red stamens.

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