Cold hardiness & minimum temperature

Is Miss Grace Dawn Redwood (Metasequoia glyptostroboides 'Miss Grace')cold hardy? Hardiness zone & min temp

Also called Miss Grace Dawn Redwood, Weeping Dawn Redwood.

More about miss grace dawn redwood

About Miss Grace Dawn Redwood

Metasequoia glyptostroboides 'Miss Grace' · also called Miss Grace Dawn Redwood, Weeping Dawn Redwood · flowering

Miss Grace Dawn Redwood is a dwarf, weeping cultivar of the dawn redwood, displaying graceful pendulous branchlets clothed in feathery, bright green deciduous needles that turn russet-orange in autumn. Far more compact than the species, it suits smaller gardens. Tolerates wet soils and thrives in full sun; cold-hardy and easy to grow.

Cold limit: USDA 5-8 · RHS H7 (-25 to 30°C)

Watch for — Late spring frost damage: New foliage emerges early in spring and is susceptible to damage from late frosts, which blackens young needles. Site away from frost pockets; damaged growth usually recovers as the season progresses.

What miss grace dawn redwood's hardiness rating actually means

Yes — miss grace dawn redwood is genuinely cold hardy. Rated RHS H7 and USDA 5-8, 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 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 below about −20 °C. Miss Grace Dawn Redwood is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for miss grace dawn redwood 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 miss grace dawn redwood 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 miss grace dawn redwood can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H7 figure above.

Miss Grace Dawn Redwood hardiness — frequently asked questions

Is miss grace dawn redwood cold hardy?

Yes — miss grace dawn redwood is genuinely cold hardy. Rated RHS H7 and USDA 5-8, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Miss Grace Dawn Redwood 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 miss grace dawn redwood can survive?

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

What hardiness zone is miss grace dawn redwood?

Miss Grace Dawn Redwood is rated USDA 5-8 and RHS H7 — Hardy in the severest European continental winters.

Can miss grace dawn redwood 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 miss grace dawn redwood 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.