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Overwintering guide

How to overwinter florence fennel 'zefa fino'

Verdict
Bring indoors
When
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
Hardiness
Florence Fennel 'Zefa Fino' is hardy to roughly USDA zone 15. That means it will not survive frost and needs to come inside.

Winter watering

Cut watering right back — florence fennel 'zefa fino' uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.

The mistake that kills florence fennel 'zefa fino' in winter

Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and florence fennel 'zefa fino' rots from the base.

More florence fennel 'zefa fino' care

Overwintering florence fennel 'zefa fino' — FAQ

Does florence fennel 'zefa fino' need to come indoors for winter?

Florence Fennel 'Zefa Fino' is hardy to roughly USDA zone 15. That means it will not survive frost and needs to come inside. Florence Fennel 'Zefa Fino' is frost-tender, so overwintering means bringing it inside and letting it rest rather than pushing it to grow. Move it indoors well before the first frost, give it the brightest spot you have (light levels indoors drop sharply in winter), and keep it away from both cold window glass and hot radiators — the swing between the two does more damage than the cold itself.

When should I move florence fennel 'zefa fino' for winter?

Bring indoors when nights start dropping below about 10°C, ahead of the first frost.

How often should I water florence fennel 'zefa fino' in winter?

Cut watering right back — florence fennel 'zefa fino' uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.

What kills florence fennel 'zefa fino' over winter?

Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and florence fennel 'zefa fino' rots from the base.