Cold hardiness & minimum temperature

Is European Hazel 'Nottingham Prolific' (Corylus avellana 'Nottingham Prolific')cold hardy? Hardiness zone & min temp

Also called Nottingham Prolific hazel, prolific cob.

More about european hazel 'nottingham prolific'

About European Hazel 'Nottingham Prolific'

Corylus avellana 'Nottingham Prolific' · also called Nottingham Prolific hazel, prolific cob · edible

'Nottingham Prolific' (also sold as 'Pearson's Prolific') is a compact, reliably heavy-cropping cobnut suited to smaller gardens. It produces good-flavoured nuts and abundant catkins, making it a useful pollinator for other hazels. Grow in full sun to part shade on fertile, well-drained soil, and pair with a second variety for the best yields.

Cold limit: USDA 4-8 · RHS H6 (-29 to 30°C)

What european hazel 'nottingham prolific''s hardiness rating actually means

Yes — european hazel 'nottingham prolific' is genuinely cold hardy. Rated RHS H6 and USDA 4-8, 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 4-8 — 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. European Hazel 'Nottingham Prolific' is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for european hazel 'nottingham prolific' 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 european hazel 'nottingham prolific' go outside or overwinter — and where?

Plant it out within USDA 4-8 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 european hazel 'nottingham prolific' can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H6 figure above.

European Hazel 'Nottingham Prolific' hardiness — frequently asked questions

Is european hazel 'nottingham prolific' cold hardy?

Yes — european hazel 'nottingham prolific' is genuinely cold hardy. Rated RHS H6 and USDA 4-8, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. European Hazel 'Nottingham Prolific' is hardy across USDA 4-8; 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 european hazel 'nottingham prolific' can survive?

Minimum survivable temperature is roughly about −20 to −15 °C. European Hazel 'Nottingham Prolific' is built for winter — once established it takes hard frost and snow in its stride.

What hardiness zone is european hazel 'nottingham prolific'?

European Hazel 'Nottingham Prolific' is rated USDA 4-8 and RHS H6 — Hardy throughout the UK and northern Europe.

Can european hazel 'nottingham prolific' survive winter outside?

Plant it out within USDA 4-8 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 european hazel 'nottingham prolific' 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.