Photo: Roberto JovelCC BY 4.0via iNaturalistresized / cropped
Blue jacaranda Plant Care
Jacaranda arborea Urb.
Updated · Sources · How we source care data
This plant's distinct feathery, fern-like leaves set it apart from others. Originating from Brazil, Jacaranda arborea is highly sought after by plant collectors for its stunning purple trumpet-shaped flowers that bloom in the spring.
Every 7–14 days
Full sun
50–90°F
40–70%
At a glance
How do you care for Blue jacaranda?
Plant Blue jacaranda in full sun (USDA zones 12a–11b) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 50–90°F (10–32°C). Fertilize it every 6 months during the growing season.
Where Is the Blue jacaranda Native To?
What Is the Blue jacaranda?
Blue jacaranda (Jacaranda arborea) belongs to the Bignoniaceae family within the Jacaranda genus. Blue jacaranda is native to Cuba. Blue jacaranda is also known as Green ebony, Brazilian rosewood.
Blue jacaranda displays a medium to large deciduous tree growth habit, reaching up to 30 ft tall with a spread of approximately 25 ft. Blue jacaranda produces showy clusters of purple, trumpet-shaped flowers.
Leaf size: approximately 6 inches.
How Often Should You Water a Blue jacaranda?
Water a young or newly planted Blue jacaranda every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–14 days
Until established; then in dry spells
What Light Does the Blue jacaranda Need?
Blue jacaranda thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Blue jacaranda Prefer?
Jacaranda arborea tolerates temperatures of 50–90°F. Blue jacaranda prefers humidity levels of 40–70%.
Temperature
50–90°F
Humidity
40–70%
What Soil Mix Works Best for a Blue jacaranda?
Well-draining sandy loam with added compost for nutrients. Good drainage is essential for Blue jacaranda to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Blue jacaranda?
Feed Blue jacaranda every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees in good soil often need little extra feeding, so let weak growth or pale foliage guide you.
Stop feeding by late summer so new growth can harden before winter.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Blue jacaranda?
Choose a spot with full sun and well-draining sandy loam with added compost for nutrients. Avoid low spots where water collects after rain.
Blue jacaranda is suited to USDA Zone 12a – 11b.
Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Blue jacaranda?
Blue jacaranda can spread to about 25 ft (7.6 m) and reach about 30 ft (9 m) tall. Space plants about 25 ft (7.6 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.
Planning a row or hedge? Try the tree spacing calculator.
How Do You Prune a Blue jacaranda?
Prune Blue jacaranda while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.
If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the tree in one year.
How Do You Care for a Blue jacaranda in Winter?
Blue jacaranda is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.
How Do You Propagate a Blue jacaranda?
Blue jacaranda can be propagated through seeds, softwood cuttings.
Is the Blue jacaranda Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Blue jacaranda, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Blue jacaranda?
Blue jacaranda is susceptible to aphids, caterpillars, scale insects. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Blue jacaranda Need?
Blue jacaranda grows outdoors in USDA Zone 12a – 11b. It survives winters down to planting zone 12a. Blue jacaranda is native to Cuba. In cooler regions, grow Blue jacaranda as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a – 11b
Keep exploring plants
Blue jacaranda is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Jacaranda genus (family Bignoniaceae) — search all Jacaranda species in the plant lookup.
Blue jacaranda thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Jacaranda arborea Urb., family Bignoniaceae (first published in Symb. Antill. 7: 375 (1912)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Blue jacaranda, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: Roberto Jovel, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 12a – 11b, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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