Ginkgo care

Ginkgo Leaves Turning Yellow and Dropping Early: Causes and Fixes

A ginkgo that yellows and sheds long before its showy autumn finale is almost always a young, recently planted tree under stress — usually from transplant shock or thirsty roots. Here are the likely causes, how to tell them apart, and what to do.

Transplant shock (the usual cause on new trees)

What's happening

A freshly planted ginkgo lost much of its root system in the move and can't yet supply the canopy. It responds by dropping leaves to cut water demand while the roots rebuild — normal, if alarming, in the first season or two.

How to confirm

The tree was planted within the last year or two, leaves yellow and drop in mid-season rather than fall, and the branches are still flexible and green under a scratched bit of bark. Buds for next year are usually present and intact.

How to fix it

Don't dig it up or fertilize. Keep the root zone evenly moist with a deep weekly soaking, maintain a 2–3 inch mulch ring (off the trunk), and be patient — most trees recover and re-leaf the following spring once roots catch up.

Prevent it

Plant in fall or early spring, set the root flare at grade, water deeply through the first two or three seasons, and hold off on fertilizer the first year.

Drought or underwatering

What's happening

Young ginkgos haven't yet grown the deep, drought-proof roots of mature trees. A hot, dry stretch dries the root zone faster than the sapling can cope, and it sheds leaves to conserve moisture.

How to confirm

Soil a few inches down is dry and crumbly, the weather has been hot and rainless, and leaves yellow or brown at the edges before dropping. A finger or a probe into the root zone comes out dry.

How to fix it

Soak the root zone slowly and deeply — 10–15 gallons over the area under the canopy — then let the surface dry and repeat weekly through the dry spell. Mulch to hold moisture and shade the roots.

Prevent it

Water established-but-young trees deeply once a week in summer heat and keep a mulch ring in place to buffer the soil.

Waterlogged or compacted soil

What's happening

Although tough, ginkgo dislikes roots that sit in saturated ground. Soil that stays soggy after rain starves roots of oxygen, and the tree responds with yellowing and premature leaf loss.

How to confirm

The planting site puddles or stays muddy for hours after rain or irrigation, the soil is heavy clay, or the tree sits in a low spot. Leaves yellow uniformly while the ground is clearly wet.

How to fix it

Stop supplemental watering until the soil drains. If the tree is small and the spot chronically wet, move it in fall or spring to higher, better-draining ground, or build up a low mound to lift the root flare above the wet zone.

Prevent it

Plant on well-draining ground with the root flare at or slightly above grade, and never plant in a spot that holds standing water.

Normal late-summer or seasonal shedding

What's happening

A few yellow leaves dropping here and there in late summer, or the whole canopy going gold and falling fast in autumn, is simply the tree behaving as ginkgos do — they're known for dropping nearly all their leaves within a day or two of frost.

How to confirm

It's late season, the leaves turning are a clean butter-yellow rather than blotchy brown, and the tree otherwise looks vigorous with healthy buds.

How to fix it

Nothing to do — this is the famous ginkgo show, not a problem. Rake the carpet of gold and enjoy it.

Prevent it

No action needed; this is the tree working exactly as it should.

When to worry (and when not to)

A young ginkgo dropping leaves in its first year or two after planting is usually fine and will rebound — keep it watered and wait. Worry if branches turn brittle and snap with no green under the bark, if no buds form for the following year, or if yellowing recurs every season alongside poor or stunted growth, which points to a drainage problem or a site that needs correcting. Established ginkgos almost never lose leaves prematurely, so on an older tree investigate root conditions and recent soil disturbance.