How to Grow Boab tree
Boab tree
Adansonia gregorii
treeThe Boab (or Baobab) is a massive, deciduous tree native to Australia's Kimberley region, characterized by its enormous swollen trunk and sparse foliage. It can grow 40-50 feet tall and live for hundreds of years, making it a iconic landscape feature. The tree produces large, cream-colored flowers and edible seed pods.
When should you plant Boab tree in your zone?
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Example Boab tree timeline · Pittsburgh, PA (Zone 6b)
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Plant Boab tree
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 Boab tree
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Boab tree dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 10-11; requires frost-free climates with dry seasons
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Get my Boab tree timeline →Growth Stages
Seedling
4-8 weeksTiny emerald shoots with 2-3 small leaves emerging from seed; very slow initial growth.
Provide consistent moisture without waterlogging. Use well-draining seed-starting mix. Germination can take 2-4 weeks. Keep in warm conditions (75-85°F).
Juvenile Growth
2-5 yearsYoung tree develops a thin trunk with sparse branches and compound leaves; growth remains gradual.
Water regularly during growing season (spring-summer). Stake young trees for support in windy locations. Prune to develop strong central leader. Protect from temperatures below 50°F.
Trunk Thickening
5-10 yearsThe characteristic swollen trunk begins developing as the tree matures; canopy gradually expands.
Reduce watering frequency to encourage natural drought adaptation and trunk development. Allow tree to experience seasonal dry periods. Full sun is critical. Minimal fertilizer needed.
Flowering
2-3 months (typically spring to early summer)Large, cream-colored or yellowish flowers with prominent stamens bloom on branch tips, typically at dusk.
Do not fertilize during flowering period. Ensure adequate water during flowering to support bloom production. Flowers attract night-feeding pollinators like bats and moths.
Fruiting and Maturity
Ongoing annually once matureLarge, woody pods (8-12 inches long) develop containing seeds embedded in dry, powdery pulp; tree enters dormancy.
Cease watering during dormant season. Allow leaves to drop naturally. Pods can be harvested when they turn brown and woody. Established trees require minimal care.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with horticultural oil or insecticidal soap during growing season. Prune heavily infested branches. Monitor regularly.
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Remove with alcohol-soaked cotton swab. Spray with neem oil or insecticidal soap. Improve air circulation.
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Increase humidity slightly; spray with water. Use neem oil or miticide if severe. Remove heavily affected foliage.
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Ensure excellent drainage; do not overwater. Remove infected portions. Allow soil to dry between waterings. Consider repotting in fresh, sterile soil.
Uses
Nutritious Seed Pods (Baobab Fruit)
CulinaryThe seed pods contain nutrient-rich pulp that can be eaten raw, made into beverages, or powdered as a supplement. The pulp is high in vitamin C, calcium, and antioxidants, and has a tangy flavor. [source]
Traditional Wellness Remedy
MedicinalLeaves, bark, and roots have been used in African traditional medicine for fever, inflammation, malaria, and digestive complaints. Modern research supports some antimicrobial and antioxidant properties. [source]
Fiber and Craft Material
HouseholdThe bark can be stripped to make rope, fiber, and traditional textiles. The wood is soft and has been used historically for carving and household items. [source]
Keystone Tree for Fauna
WildlifeBaobabs support diverse wildlife including bats (pollinators), birds, insects, and small mammals that feed on seeds and seek shelter in the trunk cavities. Elephants strip bark for moisture and nutrition. [source]
Ornamental Landscape Feature
CraftThe dramatic silhouette and massive trunk make it a striking focal point in drought-tolerant, tropical, and subtropical gardens. It represents resilience and can become a multi-generational landmark tree. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Seed pods mature 6-12 months after flowering and become woody and brown. Harvest by hand or collect fallen pods from the ground. Remove pods when they are completely dry and brown. Extract seeds by breaking open the pod and separating seeds from the dry pulp. Seeds can be eaten raw or roasted. Fresh leaves can be harvested year-round during the growing season.
Fun Facts
- 🌱 The Boab can store up to 30,000 liters of water in its massive trunk, allowing it to survive years of severe drought. Some individuals are so large that Aboriginal peoples have traditionally lived inside hollow trunks.
- 🌱 The tree's name 'Boab' is an Australian Aboriginal term; the African species (Adansonia digitata) is called the 'Tree of Life' and is revered across Africa, appearing on currencies and in folklore.
- 🌱 Baobabs flower at night and are primarily pollinated by fruit bats; the flowers close by morning, and the entire process is synchronized with the dry season to maximize seed dispersal before rains return.
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