Cold hardiness & minimum temperature

Is Queen Elizabeth Rose (Rosa 'Queen Elizabeth')cold hardy? Hardiness zone & min temp

Also called Queen Elizabeth, The Queen Elizabeth Rose, Grandiflora Queen Elizabeth.

More about queen elizabeth rose

About Queen Elizabeth Rose

Rosa 'Queen Elizabeth' · also called Queen Elizabeth, The Queen Elizabeth Rose · flowering

Rosa 'Queen Elizabeth', the original 1955 grandiflora, is a tall, vigorous, nearly thornless shrub bearing clear silver-pink, double blooms singly or in clusters on long stems, repeating from summer to autumn. Reaching 1.2-1.8 m, it has glossy deep-green leaves and a light tea fragrance. Grown in full sun and rich, well-drained soil, it is exceptionally hardy and disease-tolerant.

Cold limit: USDA 5-9 (outdoor; very hardy) · RHS H6 (15-27°C)

Watch for — Leggy, bare base: This tall grandiflora can grow leggy with sparse lower growth; prune hard in late winter to encourage bushier, well-clothed canes.

What queen elizabeth rose's hardiness rating actually means

Yes — queen elizabeth rose is genuinely cold hardy. Rated RHS H6 and USDA 5-9 (outdoor; very hardy), 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 5-9 (outdoor; very hardy) — 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. Queen Elizabeth Rose is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for queen elizabeth rose 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 queen elizabeth rose go outside or overwinter — and where?

Plant it out within USDA 5-9 (outdoor; very hardy) 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 queen elizabeth rose can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H6 figure above.

Queen Elizabeth Rose hardiness — frequently asked questions

Is queen elizabeth rose cold hardy?

Yes — queen elizabeth rose is genuinely cold hardy. Rated RHS H6 and USDA 5-9 (outdoor; very hardy), it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Queen Elizabeth Rose is hardy across USDA 5-9 (outdoor; very hardy); 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 queen elizabeth rose can survive?

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

What hardiness zone is queen elizabeth rose?

Queen Elizabeth Rose is rated USDA 5-9 (outdoor; very hardy) and RHS H6 — Hardy throughout the UK and northern Europe.

Can queen elizabeth rose survive winter outside?

Plant it out within USDA 5-9 (outdoor; very hardy) 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 queen elizabeth rose 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.