Growli

Overwintering guide

How to overwinter grass-leaved ginger

Verdict
Outside, protected
When
Mulch and move pots into shelter in late autumn, before the first hard frosts.
Hardiness
Grass-Leaved Ginger is hardy to roughly USDA zone 8 — winter lows around -12°C. That means it survives outside in mild areas, but wants shelter in a hard winter.

Winter watering

Water rarely, and only in dry spells — winter wet is a bigger risk than winter cold. Make sure containers drain freely.

The mistake that kills grass-leaved ginger in winter

Leaving grass-leaved ginger in a pot standing in a saucer of water. Waterlogged compost freezes solid around the roots and kills plants that would have survived the cold perfectly well.

More grass-leaved ginger care

Overwintering grass-leaved ginger — FAQ

Does grass-leaved ginger need to come indoors for winter?

Grass-Leaved Ginger is hardy to roughly USDA zone 8 — winter lows around -12°C. That means it survives outside in mild areas, but wants shelter in a hard winter. Grass-Leaved Ginger can stay outside over winter in most areas, but appreciates some protection in a cold snap. Mulch generously over the root zone, move containers against a sheltered wall (pots freeze far harder than open ground), and have horticultural fleece ready for the worst nights. The roots are what you are protecting — top growth can be sacrificed and regrown.

When should I move grass-leaved ginger for winter?

Mulch and move pots into shelter in late autumn, before the first hard frosts.

How often should I water grass-leaved ginger in winter?

Water rarely, and only in dry spells — winter wet is a bigger risk than winter cold. Make sure containers drain freely.

What kills grass-leaved ginger over winter?

Leaving grass-leaved ginger in a pot standing in a saucer of water. Waterlogged compost freezes solid around the roots and kills plants that would have survived the cold perfectly well.