Repotting guide

When & how to repot Maidenhair Tree (Ginkgo biloba)

Also called Maidenhair Tree, Ginkgo.

More about maidenhair tree

About Maidenhair Tree

Ginkgo biloba · also called Maidenhair Tree, Ginkgo · flowering

Ginkgo is an ancient deciduous conifer-relative grown as bonsai for its distinctive fan-shaped leaves that turn brilliant butter-yellow in autumn. Slow and stately, it prefers full sun, even moisture and a cold winter rest. Its upright, flame-like habit and clean foliage make it a striking, low-disease seasonal-interest bonsai.

Mature size: As bonsai typically 30-80 cm tall; the species can exceed 20-35 m in the landscape.

Watch for — Leaf scorch: Drought stress or intense reflected heat browns the leaf margins; maintain consistent moisture and shade small pots in extreme summer heat.

How to tell maidenhair tree needs repotting

Repotting on a calendar is less reliable than reading the plant. For maidenhair tree, watch for these signs:

Thick roots out of the drainage holes, or circling the surface and lifting the plant.
The pot dries out unusually fast and maidenhair tree wilts between waterings it used to shrug off.
The plant is visibly top-heavy and tips over easily.
Stalled growth and small new leaves over a full season — though with a big specimen, top-dressing is often the better first response before a full repot.

For the underlying biology of a pot-bound root system and why it stalls a plant, see our guide to spotting and fixing a root-bound plant.

How often to repot maidenhair tree

Every 2–3 years; top-dress in the in-between years. Maidenhair Tree's growth habit — slow-growing deciduous tree with a stiff, upright, often columnar to flame-shaped habit; backbuds well, lending itself to formal upright and broom styles. develops corky, fissured bark with age. — sets the pace. Ginkgo is an ancient deciduous conifer-relative grown as bonsai for its distinctive fan-shaped leaves that turn brilliant butter-yellow in autumn. Slow and stately, it prefers full sun, even moisture and a cold winter rest. Its upright, flame-like habit and clean foliage make it a striking, low-disease seasonal-interest bonsai.

What size pot to step maidenhair tree up to

Move up exactly one pot size. A heavy maidenhair tree dropped into a vastly bigger pot sits in a reservoir of wet soil its roots cannot reach, which rots them and destabilises the plant. In the years between repots, lift off and replace the top 3–5 cm of soil (top-dressing) instead — it refreshes nutrients without the shock of a full repot.

Not sure of the exact diameter? Our pot size calculator takes the current pot and root spread and tells you the right next size — it deliberately recommends a single step up, never a big jump.

The best time of year to repot maidenhair tree

Early spring, just as new growth restarts, is the ideal window for maidenhair tree. The plant is moving into its strongest growth phase and re-roots into fresh soil quickly. Avoid repotting in winter dormancy or, for flowering plants, while it is in bud or bloom — recovery is slowest then and you risk dropping the flowers.

Step-by-step: repotting maidenhair tree

Consider top-dressing first. If maidenhair tree is not badly root-bound, scrape off and replace the top 3–5 cm of soil instead — far less shock for a big plant that hates moving.
Get help and one size up. For a full repot, choose a pot just one size larger. A heavy plant needs two people and a stable, free-draining pot.
Ease it out on its side. Lay the plant down, slide the pot off, and gently loosen the outer roots. Do not bare-root a mature specimen.
Repot at the same depth. Add fresh free-draining, moderately moisture-retentive bonsai mix beneath and around the rootball, keeping the original soil line. Firm it so the trunk is stable and upright.
Water and leave it put. Water thoroughly, then leave maidenhair tree in the same spot and light — moving and repotting at once is what makes it drop leaves.

Aftercare

Leave maidenhair tree in exactly the same spot and light it was in before — moving and repotting at the same time is what makes a big specimen drop leaves. Water it in well, then let the top of the soil dry before watering again so the larger volume of fresh soil does not stay sodden. Do not fertilise for about 4 weeks — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for maidenhair tree

Maidenhair Tree wants free-draining, moderately moisture-retentive bonsai mix. An akadama-pumice-lava blend works well. Ginkgo is adaptable to pH but resents compacted, poorly draining soil, which slows its already deliberate growth. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting maidenhair tree — frequently asked questions

How often should you repot maidenhair tree?

Every 2–3 years; top-dress in the in-between years for maidenhair tree. Fully repot maidenhair tree only every 2–3 years; in the in-between years just top-dress the top 3–5 cm of soil. Step up one pot size in spring with free-draining, moderately moisture-retentive bonsai mix. It is heavy and hates being moved, and a vastly oversized pot holds water against the roots and rots them.

What size pot does maidenhair tree need?

When is the best time of year to repot maidenhair tree?

Should you top-dress or fully repot maidenhair tree?

For a big, heavy maidenhair tree, top-dressing — replacing the top 3–5 cm of soil — is the gentler option most years, with a full repot only every 2–3 years. A mature specimen sulks and drops leaves when fully repotted, so do it as rarely as the roots allow.

Should you fertilise maidenhair tree after repotting?

Not immediately. Wait about 4 weeks after repotting maidenhair tree. Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.