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Ginkgo
Ginkgo biloba
Ancient, remarkably pest- and disease-resistant tree with fan-shaped leaves that turn brilliant gold in fall.
Quick Facts
Sun:☀️ Full Sun
Water:💧💧 Moderate
USDA Zones:Zones 3–8
Space:🏡 Large Garden
Soil:Loam, Sandy, Clay, Silty
Best Season(s):Spring, Fall
Experience Level:🌱 Beginner
Native Range:China (ancient relict species)
Bloom Cycle:Inconspicuous spring catkins (grown for fan-shaped foliage and gold fall color)
Care Notes
Plant only male cultivars — female trees produce foul-smelling fruit. Extremely tolerant of urban pollution and poor soil.
Growing Details
Mature Size:50-80 ft tall, 30-40 ft wide
Growth Rate:🐢 Slow
Zone Performance
At the cold edge (zone 3), ginkgo is fully hardy and shows excellent fall color, though growth is notably slower than in warmer zones. Toward zone 8 at the warm edge, it tolerates heat, pollution, and poor soil exceptionally well, making it one of the most reliable street trees across its entire range regardless of zone.
Companions & Wildlife
🦌 Deer Resistance
rarely damaged
Ginkgo's unique leaf chemistry, unchanged for millions of years, is highly unpalatable to deer and virtually pest-free overall.
🐝 Pollinator Value
low
Wind-pollinated with no showy flowers, offering minimal direct pollinator value, though it provides structural habitat for birds.
Good Companions
Hosta — Shade-tolerant perennial well suited to the light, open dappled shade a mature ginkgo casts.
Japanese Forest Grass — Fine-textured ornamental grass that complements ginkgo's distinctive fan-shaped foliage in shade borders.
Astilbe — Tolerates the same well-drained, urban-tolerant conditions ginkgo thrives in near sidewalks and courtyards.
Boxwood — Classic formal underplanting that softens the tall, upright silhouette of a mature ginkgo specimen.
Troubleshooting
⚠️ Foul-smelling fruit from female trees
Always purchase a named male cultivar such as 'Autumn Gold' or 'Princeton Sentry' to avoid fruiting entirely.
⚠️ Very slow establishment period after transplanting
Be patient and provide consistent watering for the first 2-3 years; growth rate increases once established.
⚠️ Sparse, awkward branching in young trees
Light structural pruning in the early years helps develop a fuller, more balanced canopy over time.
⚠️ Pet Safety
The fleshy seed coat on female trees is mildly toxic and has an unpleasant smell/taste that usually deters pets on its own.
Informational only — always check with a veterinarian if you suspect your pet has eaten something it shouldn't have.
🌿 Traditional & Medicinal Use
Ginkgo biloba leaf extract is one of the most widely studied herbal supplements, traditionally used and researched for circulation and cognitive support — informational only, not medical advice; consult a healthcare provider, especially if on blood thinners.
Informational only, not medical advice — consult a healthcare provider before using any plant medicinally.