Overwintering guide
How to overwinter four-leaf pinyon
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills four-leaf pinyon in winter
Cutting four-leaf pinyon 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 four-leaf pinyon care
Overwintering four-leaf pinyon — FAQ
Does four-leaf pinyon need to come indoors for winter?
Four-Leaf Pinyon is hardy to roughly USDA zone 7 — winter lows around -18°C. That means it can stay outside all winter in most temperate gardens. Four-Leaf Pinyon 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 four-leaf pinyon for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water four-leaf pinyon in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills four-leaf pinyon over winter?
Cutting four-leaf pinyon 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.