Jacaranda caerulea (Boxwood)

Jacaranda caerulea (Boxwood) lavender flower close up with green stems and small leaves.
Jacaranda caerulea (Boxwood) with drooping clusters of lavender flowers hanging from thin green branches.

Botanical name: Jacaranda caerulea

Common names: Boxwood, Caribbean jacaranda Cancer Tree, What O'clock, Clock Bush, Knucker Box

Family: Bignoniaceae

Origin: Central America and the W. Indies

USDA Plant Hardiness Map

USDA Zone: 10-11

Small tree 10-20 ftPlant form: Small tree
Plant mature sizeMature height: 10-20 ft
Full sunSun exposure: Full sun or bright light indoor
Cold toleranceCold tolerance: Frost sensitive. Protect from freezing.
Watering: Moderate. Water when top soil feels dryWatering: Moderate
Blue, lavender, purple flowersFlower color: Blue, lavender, purple
Suitable forSuitable for: Outdoors in the suitable USDA zone; small gardens, containers, and indoor growing
Plant attracts butterflies, hummingbirdsWildlife: Attracts butterflies and hummingbirds
Ethnomedical plant. Plants marked as ethnomedical and/or described as medicinal, are not offered as medicine but rather as ornamentals or plant collectibles. Ethnomedical statements / products have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. We urge all customers to consult a physician before using any supplements, herbals or medicines advertised here or elsewhere.Ethnomedical: Ethnomedical plant, traditionally used in folk or indigenous medicine

Beautiful in bloom and salt-tolerant, Caribbean jacaranda thrives in full sun and fertile, well-drained soil that is gritty or sandy. It is especially suited to alkaline soils. In areas with light winter frosts, it will grow as a multi-stemmed, shrubby tender perennial.

Similar plants: Jacaranda caerulea (Boxwood)


Jacaranda caerulea (Boxwood) light purple flower close up on thin branches with green leaves
Jacaranda caerulea (Boxwood) light purple trumpet shaped flower hanging from thin branches with small leaves.
Jacaranda caerulea (Boxwood) lavender flower cluster close up
Jacaranda caerulea (Boxwood) cluster with numerous lavender flowers hanging from green stems


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