Growli

Overwintering guide

How to overwinter santa barbara ceanothus

Verdict
Outside, protected
When
Mulch and move pots into shelter in late autumn, before the first hard frosts.
Hardiness
Santa Barbara Ceanothus 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 santa barbara ceanothus in winter

Leaving santa barbara ceanothus 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 santa barbara ceanothus care

Overwintering santa barbara ceanothus — FAQ

Does santa barbara ceanothus need to come indoors for winter?

Santa Barbara Ceanothus 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. Santa Barbara Ceanothus 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 santa barbara ceanothus for winter?

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

How often should I water santa barbara ceanothus 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 santa barbara ceanothus over winter?

Leaving santa barbara ceanothus 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.