Cold hardiness & minimum temperature

Is Geum rivale 'Leonard's Variety' (Geum rivale 'Leonard's Variety')cold hardy? Hardiness zone & min temp

Also called Leonard's Variety water avens, nodding avens.

More about geum rivale 'leonard's variety'

About Geum rivale 'Leonard's Variety'

Geum rivale 'Leonard's Variety' · also called Leonard's Variety water avens, nodding avens · flowering

A hardy clump-forming perennial valued for nodding, bell-shaped flowers in dusky coppery-pink to apricot from late spring into early summer. Bred from native water avens, it thrives in damp borders and pond margins, reaching about 40 cm. Reliable in cool maritime climates, it suits cottage gardens, bog beds and naturalistic plantings beautifully.

Cold limit: USDA 3-7 · RHS H7 (-20 to 24°C)

What geum rivale 'leonard's variety''s hardiness rating actually means

Yes — geum rivale 'leonard's variety' is genuinely cold hardy. Rated RHS H7 and USDA 3-7, 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 3-7 — 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. Geum rivale 'Leonard's Variety' is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for geum rivale 'leonard's variety' as it gets too cold:

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.

Can geum rivale 'leonard's variety' go outside or overwinter — and where?

Plant it out within USDA 3-7 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.

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 geum rivale 'leonard's variety' can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H7 figure above.

Geum rivale 'Leonard's Variety' hardiness — frequently asked questions

Is geum rivale 'leonard's variety' cold hardy?

Yes — geum rivale 'leonard's variety' is genuinely cold hardy. Rated RHS H7 and USDA 3-7, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Geum rivale 'Leonard's Variety' is hardy across USDA 3-7; 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 geum rivale 'leonard's variety' can survive?

Minimum survivable temperature is roughly below about −20 °C. Geum rivale 'Leonard's Variety' is built for winter — once established it takes hard frost and snow in its stride.

What hardiness zone is geum rivale 'leonard's variety'?

Geum rivale 'Leonard's Variety' is rated USDA 3-7 and RHS H7 — Hardy in the severest European continental winters.

Can geum rivale 'leonard's variety' survive winter outside?

Plant it out within USDA 3-7 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 geum rivale 'leonard's variety' 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.