Cold hardiness & minimum temperature

Is Cambridge Favourite Strawberry (Fragaria × ananassa 'Cambridge Favourite')cold hardy? Hardiness zone & min temp

Also called Cambridge Favourite strawberry.

More about cambridge favourite strawberry

About Cambridge Favourite Strawberry

Fragaria × ananassa 'Cambridge Favourite' · also called Cambridge Favourite strawberry · edible

'Cambridge Favourite' is a long-trusted British summer-fruiting strawberry, reliable and disease-resistant, producing medium-sized, sweet-but-mild orange-red berries in midsummer. Bred in the 1950s, it crops heavily, tolerates a range of conditions and is forgiving for beginners. As a June-bearer it fruits once a season and propagates freely from runners.

Cold limit: USDA 5-8 · RHS H6 (-10-25°C)

What cambridge favourite strawberry's hardiness rating actually means

Yes — cambridge favourite strawberry is genuinely cold hardy. Rated RHS H6 and USDA 5-8, it lives outdoors all year and needs winter cold rather than protection from it. Its RHS rating of H6 means: Hardy throughout the UK and northern Europe. On the US scale that maps to USDA 5-8 — the zones where it can be left outdoors year-round.

New to these scales? The USDA hardiness zone map explained covers how the zone numbers work, and you can find your own zone with the zone finder.

Minimum temperature — and what happens below it

Minimum survivable temperature is roughly about −20 to −15 °C. Cambridge Favourite Strawberry is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for cambridge favourite strawberry as it gets too cold:

It tolerates winter lows to about −20 to −15 °C once established.
Below its rated zone, the visible damage is browned or blackened top growth and, in the worst case, a killed crown or root.
First-year, newly planted, or container-grown specimens are noticeably less hardy than established garden plants — the roots are exposed.

Can cambridge favourite strawberry go outside or overwinter — and where?

Plant it out within USDA 5-8 and it overwinters with little or no help.
It does not want to come indoors — a warm winter room actually weakens a hardy plant by denying it dormancy.
The real risks in its range are waterlogging, wind-rock on young plants, and a late hard frost on new growth — not ordinary winter cold.

Work back from your local frost dates with the frost-date calculator: the last spring frost and first autumn frost are what really decide when cambridge favourite strawberry can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H6 figure above.

Cambridge Favourite Strawberry hardiness — frequently asked questions

Is cambridge favourite strawberry cold hardy?

Yes — cambridge favourite strawberry is genuinely cold hardy. Rated RHS H6 and USDA 5-8, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Cambridge Favourite Strawberry is hardy across USDA 5-8; it belongs in the ground or a frost-proof container, not on a windowsill, and many types actively need a cold winter to perform.

What is the minimum temperature cambridge favourite strawberry can survive?

Minimum survivable temperature is roughly about −20 to −15 °C. Cambridge Favourite Strawberry is built for winter — once established it takes hard frost and snow in its stride.

What hardiness zone is cambridge favourite strawberry?

Cambridge Favourite Strawberry is rated USDA 5-8 and RHS H6 — Hardy throughout the UK and northern Europe.

Can cambridge favourite strawberry survive winter outside?

Plant it out within USDA 5-8 and it overwinters with little or no help. It does not want to come indoors — a warm winter room actually weakens a hardy plant by denying it dormancy. The real risks in its range are waterlogging, wind-rock on young plants, and a late hard frost on new growth — not ordinary winter cold.

What happens to cambridge favourite strawberry below its minimum temperature?

It tolerates winter lows to about −20 to −15 °C once established. Below its rated zone, the visible damage is browned or blackened top growth and, in the worst case, a killed crown or root. First-year, newly planted, or container-grown specimens are noticeably less hardy than established garden plants — the roots are exposed.