Cold hardiness & minimum temperature

Is Trachelospermum jasminoides 'Variegatum' (Trachelospermum jasminoides 'Variegatum')cold hardy? Hardiness zone & min temp

Also called variegated star jasmine, variegated confederate jasmine.

More about trachelospermum jasminoides 'variegatum'

About Trachelospermum jasminoides 'Variegatum'

Trachelospermum jasminoides 'Variegatum' · also called variegated star jasmine, variegated confederate jasmine · flowering

A cream-and-green variegated form of evergreen star jasmine grown for its twining habit and intensely fragrant white pinwheel flowers in early summer. It clothes walls, trellises and pergolas in sun to part shade, tolerating mild frost. The variegation softens to pink and bronze tones in cold weather, giving year-round interest on a self-clinging woody climber.

Cold limit: USDA 8-10 · RHS H4 (10-27°C)

Watch for — Winter leaf reddening: Foliage turns bronze-red in cold — usually cosmetic and seasonal, but persistent reddening can signal cold stress or waterlogging.

What trachelospermum jasminoides 'variegatum''s hardiness rating actually means

Yes — trachelospermum jasminoides 'variegatum' is genuinely cold hardy. Rated RHS H4 and USDA 8-10, it lives outdoors all year and needs winter cold rather than protection from it. Its RHS rating of H4 means: Hardy in an average winter across much of the temperate world. On the US scale that maps to USDA 8-10 — 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 −10 to −5 °C. Trachelospermum jasminoides 'Variegatum' is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for trachelospermum jasminoides 'variegatum' as it gets too cold:

It tolerates winter lows to about −10 to −5 °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 trachelospermum jasminoides 'variegatum' go outside or overwinter — and where?

Plant it out within USDA 8-10 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 trachelospermum jasminoides 'variegatum' can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H4 figure above.

Trachelospermum jasminoides 'Variegatum' hardiness — frequently asked questions

Is trachelospermum jasminoides 'variegatum' cold hardy?

Yes — trachelospermum jasminoides 'variegatum' is genuinely cold hardy. Rated RHS H4 and USDA 8-10, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Trachelospermum jasminoides 'Variegatum' is hardy across USDA 8-10; 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 trachelospermum jasminoides 'variegatum' can survive?

Minimum survivable temperature is roughly about −10 to −5 °C. Trachelospermum jasminoides 'Variegatum' is built for winter — once established it takes hard frost and snow in its stride.

What hardiness zone is trachelospermum jasminoides 'variegatum'?

Trachelospermum jasminoides 'Variegatum' is rated USDA 8-10 and RHS H4 — Hardy in an average winter across much of the temperate world.

Can trachelospermum jasminoides 'variegatum' survive winter outside?

Plant it out within USDA 8-10 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 trachelospermum jasminoides 'variegatum' below its minimum temperature?

It tolerates winter lows to about −10 to −5 °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.