Growli

Overwintering guide

How to overwinter king size scarlet everlasting

Verdict
Outside, protected
When
Mulch and move pots into shelter in late autumn, before the first hard frosts.
Hardiness
King Size Scarlet everlasting 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 king size scarlet everlasting in winter

Leaving king size scarlet everlasting 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 king size scarlet everlasting care

Overwintering king size scarlet everlasting — FAQ

Does king size scarlet everlasting need to come indoors for winter?

King Size Scarlet everlasting 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. King Size Scarlet everlasting 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 king size scarlet everlasting for winter?

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

How often should I water king size scarlet everlasting 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 king size scarlet everlasting over winter?

Leaving king size scarlet everlasting 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.