Cold hardiness & minimum temperature

Is Spring Cinquefoil (Potentilla tabernaemontani) (Potentilla tabernaemontani)cold hardy? Hardiness zone & min temp

Also called Spring Cinquefoil, Early Cinquefoil, Rock Cinquefoil.

More about spring cinquefoil (potentilla tabernaemontani)

About Spring Cinquefoil (Potentilla tabernaemontani)

Potentilla tabernaemontani · also called Spring Cinquefoil, Early Cinquefoil · flowering

Potentilla tabernaemontani (often treated as synonymous with or very close to Potentilla neumanniana) is a mat-forming, spring-blooming perennial of dry, rocky, and calcareous grasslands in central and southern Europe, bearing cheerful bright-yellow flowers from March to May. It is an ideal ground cover for sunny rock gardens, dry stone walls, and gravel plantings where drainage is perfect. The most important care fact is that it must never sit in waterlogged soil. It is not listed by the ASPCA as toxic to pets.

Cold limit: USDA 4-8 · RHS H7 (-25 to 28°C)

Watch for — Waterlogging and crown rot: The primary cause of failure; even brief winter waterlogging can kill the central crown. Plant in raised, gritty situations or improve bed drainage significantly before planting.

What spring cinquefoil (potentilla tabernaemontani)'s hardiness rating actually means

Yes — spring cinquefoil (potentilla tabernaemontani) is genuinely cold hardy. Rated RHS H7 and USDA 4-8, 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 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 below about −20 °C. Spring Cinquefoil (Potentilla tabernaemontani) is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for spring cinquefoil (potentilla tabernaemontani) 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 spring cinquefoil (potentilla tabernaemontani) 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 spring cinquefoil (potentilla tabernaemontani) can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H7 figure above.

Spring Cinquefoil (Potentilla tabernaemontani) hardiness — frequently asked questions

Is spring cinquefoil (potentilla tabernaemontani) cold hardy?

Yes — spring cinquefoil (potentilla tabernaemontani) is genuinely cold hardy. Rated RHS H7 and USDA 4-8, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Spring Cinquefoil (Potentilla tabernaemontani) 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 spring cinquefoil (potentilla tabernaemontani) can survive?

Minimum survivable temperature is roughly below about −20 °C. Spring Cinquefoil (Potentilla tabernaemontani) is built for winter — once established it takes hard frost and snow in its stride.

What hardiness zone is spring cinquefoil (potentilla tabernaemontani)?

Spring Cinquefoil (Potentilla tabernaemontani) is rated USDA 4-8 and RHS H7 — Hardy in the severest European continental winters.

Can spring cinquefoil (potentilla tabernaemontani) 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 spring cinquefoil (potentilla tabernaemontani) 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.