Learn · Garlic

When to Harvest Garlic in the UK

Garlic doesn't forgive bad timing the way some crops do. Lift too early and the cloves haven't filled out. Wait too long and you lose the bulb's storage life. Here's the window to aim for.

The key sign: lower leaves turning yellow

Garlic tells you it's ready through its leaves, not its size underground. Watch for the lower third to half of the leaves turning yellow and starting to die back, while the upper leaves are still green. That's the point to start checking — not waiting for every leaf to collapse.

For most UK growers planting in October or November, this lands somewhere in June or July — roughly 8 to 9 months after planting. Hardneck varieties tend to be ready slightly earlier than softneck.

Why "wait a bit longer" can backfire

The trade-off, in short
Garlic left too long doesn't just sit there safely — the bulb wrappers can split and the cloves separate from each other, which ruins it for storage even though it's still edible fresh. Unlike onions, there's no real upside to waiting for the leaves to fully die back. Once you're past the halfway-yellow point, lifting promptly is the safer call.

How to lift it properly

Loosen the soil with a fork a little distance from the bulb before pulling — tugging on the leaves directly can snap them off the bulb, especially in dry soil. Lift gently, brush off loose soil, and avoid washing the bulbs if you're planning to store them; the wrapper stays in better condition dry.

Curing for storage

Fresh-lifted garlic needs curing before it's ready for long-term storage. Lay or hang the bulbs — leaves still attached — somewhere warm, dry, and well ventilated, out of direct sun, for 3 to 4 weeks. The outer skins should turn fully papery before you trim and store them.

Softneck varieties properly cured will keep for up to a year. Hardneck varieties have the better flavour but typically only store for 4 to 6 months, so plan to use those first.

Frequently asked questions

When should I harvest garlic in the UK?
Most UK-grown garlic is ready in June or July, around 8–9 months after autumn planting. The clearest sign is the lower leaves turning yellow while the upper leaves are still green.
What happens if I leave garlic in the ground too long?
The bulb wrappers can split and the cloves separate, ruining the bulb for storage even though it's still fine to eat fresh. Once most lower leaves have died back, lift promptly rather than waiting.
How do I cure garlic after harvesting?
Lift carefully with a fork, brush off loose soil without washing, and leave the bulbs somewhere warm, dry, and well ventilated for 3–4 weeks until the outer skins are fully papery.

Related guides

→ How to Grow Garlic in the UK→ Vegetable Harvest Calendar for UK Growers→ When to Harvest Early Potatoes in the UK→ How to Grow Onions in the UK

Get a reminder when your garlic is ready

Vercro tracks your planting date and tells you when the harvest window is approaching — so you don't have to remember to keep checking the leaves.

Try Vercro free →