Cold hardiness & minimum temperature

Is Callicarpa 'Pearl Glam' (Callicarpa bodinieri 'Pearl Glam')cold hardy? Hardiness zone & min temp

Also called Pearl Glam beautyberry, white beautyberry Pearl Glam.

More about callicarpa 'pearl glam'

About Callicarpa 'Pearl Glam'

Callicarpa bodinieri 'Pearl Glam' · also called Pearl Glam beautyberry, white beautyberry Pearl Glam · flowering

Pearl Glam beautyberry is an upright deciduous shrub with striking dark purple-black foliage and clusters of glossy violet-purple berries that ring the stems in autumn after pink summer flowers. The dark leaves and jewel-like fruit give long seasonal interest, and birds relish the berries. It thrives in full sun and well-drained soil with little maintenance.

Cold limit: USDA 5-8 · RHS H6 (-29 to 32°C)

Watch for — Winter dieback: Stem tips may die back in severe cold; because it flowers and fruits on new wood, simply prune hard in early spring to renew vigorous flowering growth.

What callicarpa 'pearl glam''s hardiness rating actually means

Yes — callicarpa 'pearl glam' 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. Callicarpa 'Pearl Glam' is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for callicarpa 'pearl glam' 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 callicarpa 'pearl glam' 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 callicarpa 'pearl glam' can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H6 figure above.

Callicarpa 'Pearl Glam' hardiness — frequently asked questions

Is callicarpa 'pearl glam' cold hardy?

Yes — callicarpa 'pearl glam' 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. Callicarpa 'Pearl Glam' 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 callicarpa 'pearl glam' can survive?

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

What hardiness zone is callicarpa 'pearl glam'?

Callicarpa 'Pearl Glam' is rated USDA 5-8 and RHS H6 — Hardy throughout the UK and northern Europe.

Can callicarpa 'pearl glam' 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 callicarpa 'pearl glam' 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.