Overwintering guide
How to overwinter tuscan blue rosemary
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 tuscan blue rosemary in winter
Leaving tuscan blue rosemary 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 tuscan blue rosemary care
- Overwintering rosemary — the species this cultivar belongs to
- Overwintering tuscan blue rosemary — our other guide for the same plant
- Full tuscan blue rosemary care guide
- Tuscan Blue Rosemary temperature range
- How often to water tuscan blue rosemary
- How to prune tuscan blue rosemary
- Common tuscan blue rosemary problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering tuscan blue rosemary — FAQ
Does tuscan blue rosemary need to come indoors for winter?
Tuscan Blue Rosemary 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. Tuscan Blue Rosemary 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 tuscan blue rosemary for winter?
Mulch and move pots into shelter in late autumn, before the first hard frosts.
How often should I water tuscan blue rosemary 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 tuscan blue rosemary over winter?
Leaving tuscan blue rosemary 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.