How to Grow Jacaranda
iNaturalist
Jacaranda
Jacaranda mimosifolia
treeJacaranda is a striking tropical to subtropical tree known for its feathery, fern-like foliage and stunning clusters of violet-blue to purple tubular flowers. Native to South America, it grows 25-50 feet tall and produces a dramatic floral display in spring, making it a popular ornamental tree in warm climates. The tree is deciduous in cooler zones and can provide dappled shade while in bloom.
When should you plant Jacaranda in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Jacaranda timeline · Pittsburgh, PA (Zone 6b)
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Plant Jacaranda
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Jacaranda
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Jacaranda dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9b-11; can survive zone 9a with protection. Best performance in zones 10-11
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Get my Jacaranda timeline →Growth Stages
Seedling
3-4 weeksTiny seedlings emerge with cotyledons and first true leaves; very delicate and feathery
Keep soil consistently moist but not waterlogged; provide bright indirect light; maintain warmth (70-80°F); thin crowded seedlings
Juvenile
1-2 yearsYoung tree develops more robust feathery foliage; trunk becomes woody; plant grows slowly at first
Increase light gradually to full sun; allow soil to dry between waterings; begin light pruning to establish shape; protect from frost
Flowering
4-8 weeksAbundant clusters of violet-blue to purple trumpet-shaped flowers appear along branch tips in spring; foliage may thin slightly
Maintain consistent moisture during bloom; reduce nitrogen fertilizer to promote flowers over foliage; deadhead spent flowers if desired; provide frost protection in zone 9b
Fruiting & Dormancy
Several monthsFlowers fade to seed pods (flat, woody, oval capsules); tree may drop leaves in winter in deciduous zones
Minimal watering in dormancy; no fertilizer needed; prune out dead wood; collect seed pods if desired for propagation; monitor for pests during slower growth
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with insecticidal soap or neem oil; encourage natural predators; prune affected shoots; maintain tree vigor
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Increase humidity; spray with water; use miticide if severe; neem oil effective
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Yellow sticky traps; insecticidal soap; neem oil; avoid over-fertilizing with nitrogen
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Isolate affected plants; spray with rubbing alcohol or insecticidal soap; neem oil
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Ensure excellent drainage; avoid overwatering; remove affected plants; sterilize soil; improve air circulation
Uses
Ornamental Flowering Tree
OrnamentalJacaranda is prized as a specimen tree for its breathtaking display of violet-blue blossoms that transform landscapes in spring. It provides filtered shade and dramatic seasonal interest in tropical and subtropical gardens. [source]
Shade & Landscape Architecture
HouseholdMature trees provide dappled, cooling shade with their canopy architecture. Often planted along streets, in parks, and around buildings for both aesthetic and functional cooling purposes. [source]
Seed Pods & Dried Floral Arrangements
CraftThe distinctive flat, woody seed pods are harvested for dried flower arrangements and craft projects. Their unique shape and texture make them valuable for floral design. [source]
Pollinator & Hummingbird Attraction
WildlifeThe tubular flowers attract bees, butterflies, and hummingbirds, supporting pollinators during spring bloom. The nectar-rich blooms provide essential food sources. [source]
Traditional Medicine Uses
MedicinalIn South American traditional medicine, jacaranda bark and leaves have been used historically to support immune function and treat various ailments, though scientific evidence is limited. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Seeds mature in woody seed pods in summer/fall; allow pods to dry and turn brown on the tree, then collect and dry further indoors before extracting seeds. Pods split open when fully mature. Store dry seeds in cool conditions for future sowing.
Fun Facts
- 🌱 Jacaranda is called the 'Blue Haze Tree' because its prolific flowering can create a haze-like appearance across entire hillsides in South American regions, particularly in places like Argentina where it's considered nearly endemic to Buenos Aires
- 🌱 The tree is deciduous in cooler climates but evergreen in tropical zones, and in some subtropical areas timing of leaf drop can be influenced by temperature fluctuations, making it unpredictable in marginal zones
- 🌱 Jacaranda seeds have a curious flat, disc-like papery wing that helps them disperse on the wind, and the dried seed pods persist on the tree for months, rattling in the breeze and providing visual interest even after flowering
Gardening Terms
New to gardening? Learn about terms used in this guide:
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