Overwintering guide
How to overwinter greek tree sage
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills greek tree sage in winter
Cutting greek tree sage hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.
More greek tree sage care
Overwintering greek tree sage — FAQ
Does greek tree sage need to come indoors for winter?
Greek Tree Sage is hardy to roughly USDA zone 7 — winter lows around -18°C. That means it can stay outside all winter in most temperate gardens. Greek Tree Sage is properly hardy and overwinters outside without fuss. Tidy away anything dead or diseased, apply a mulch over the crown to steady soil temperatures, and otherwise leave it alone — many hardy plants actually need a cold period to flower and grow well the following year. Save hard pruning for the right season rather than doing it in autumn.
When should I move greek tree sage for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water greek tree sage in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills greek tree sage over winter?
Cutting greek tree sage hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.