Cold hardiness & minimum temperature

Is Laceleaf Japanese Maple 'Crimson Queen' (Acer palmatum var. dissectum 'Crimson Queen')cold hardy? Hardiness zone & min temp

Also called Crimson Queen Japanese Maple.

More about laceleaf japanese maple 'crimson queen'

About Laceleaf Japanese Maple 'Crimson Queen'

Acer palmatum var. dissectum 'Crimson Queen' · also called Crimson Queen Japanese Maple · tropical

'Crimson Queen' is a weeping, finely dissected Japanese maple prized for holding deep crimson-red leaf color through summer rather than fading to green. It forms a low, cascading mound with a lace-like canopy, thriving in dappled shade and moist, well-drained acidic soil. It is fully hardy and deciduous, not a true tropical despite the category tag.

Cold limit: USDA 5-8 · RHS H6 (-20 to 30°C)

What laceleaf japanese maple 'crimson queen''s hardiness rating actually means

Yes — laceleaf japanese maple 'crimson queen' is genuinely cold hardy. Rated RHS H6 and USDA 5-8, 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 5-8 — 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. Laceleaf Japanese Maple 'Crimson Queen' is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for laceleaf japanese maple 'crimson queen' 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 laceleaf japanese maple 'crimson queen' go outside or overwinter — and where?

Plant it out within USDA 5-8 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 laceleaf japanese maple 'crimson queen' can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H6 figure above.

Laceleaf Japanese Maple 'Crimson Queen' hardiness — frequently asked questions

Is laceleaf japanese maple 'crimson queen' cold hardy?

Yes — laceleaf japanese maple 'crimson queen' is genuinely cold hardy. Rated RHS H6 and USDA 5-8, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Laceleaf Japanese Maple 'Crimson Queen' is hardy across USDA 5-8; 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 laceleaf japanese maple 'crimson queen' can survive?

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

What hardiness zone is laceleaf japanese maple 'crimson queen'?

Laceleaf Japanese Maple 'Crimson Queen' is rated USDA 5-8 and RHS H6 — Hardy throughout the UK and northern Europe.

Can laceleaf japanese maple 'crimson queen' survive winter outside?

Plant it out within USDA 5-8 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 laceleaf japanese maple 'crimson queen' 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.