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Cold hardiness & minimum temperature

Is Nanking Cherry (Prunus tomentosa)cold hardy? Hardiness zone & min temp

Also called Nanking cherry, Manchu cherry, downy cherry.

More about nanking cherry

About Nanking Cherry

Prunus tomentosa · also called Nanking cherry, Manchu cherry · edible

Nanking cherry is a hardy, multi-stemmed deciduous shrub grown for tart, bright-red cherries on downy spring-flowering branches. It thrives in full sun and well-drained soil, tolerates cold and drought once established, and fruits best with a second seedling for cross-pollination. Expect heavy crops by year three to four.

Cold limit: USDA 2-7 · RHS H7 (-40 to 30°C)

What nanking cherry's hardiness rating actually means

Yes — nanking cherry is genuinely cold hardy. Rated RHS H7 and USDA 2-7, it lives outdoors all year and needs winter cold rather than protection from it. Its RHS rating of H7 means: Hardy in the severest European continental winters. On the US scale that maps to USDA 2-7 — 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 below about −20 °C. Nanking Cherry is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for nanking cherry as it gets too cold:

Can nanking cherry go outside or overwinter — and where?

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 nanking cherry can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H7 figure above.

Nanking Cherry hardiness — frequently asked questions

Is nanking cherry cold hardy?

Yes — nanking cherry is genuinely cold hardy. Rated RHS H7 and USDA 2-7, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Nanking Cherry is hardy across USDA 2-7; 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 nanking cherry can survive?

Minimum survivable temperature is roughly below about −20 °C. Nanking Cherry is built for winter — once established it takes hard frost and snow in its stride.

What hardiness zone is nanking cherry?

Nanking Cherry is rated USDA 2-7 and RHS H7 — Hardy in the severest European continental winters.

Can nanking cherry survive winter outside?

Plant it out within USDA 2-7 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 nanking cherry below its minimum temperature?

It tolerates winter lows to about −20 °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.

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