Cold hardiness & minimum temperature

Is Tangerine Beauty Crossvine (Bignonia capreolata 'Tangerine Beauty')cold hardy? Hardiness zone & min temp

Also called Tangerine Beauty Crossvine, Tangerine Crossvine.

More about tangerine beauty crossvine

About Tangerine Beauty Crossvine

Bignonia capreolata 'Tangerine Beauty' · also called Tangerine Beauty Crossvine, Tangerine Crossvine · flowering

A showstopping cultivar of the native crossvine, 'Tangerine Beauty' produces a profuse spring display of bright tangerine-orange trumpet flowers with yellow throats that are irresistible to hummingbirds. More vibrant in colour than the wild species, it retains the same adaptability, drought tolerance, and climbing vigour, making it one of the best native vine cultivars for North American gardens.

Cold limit: USDA 5-9 · RHS H5 (-20–38°C)

Watch for — Pruning at the wrong time: Flowers are produced on the previous season's wood. Pruning in late winter or early spring removes the flower buds. Always prune after the spring bloom flush, in late May or June, to preserve next year's flower display.

What tangerine beauty crossvine's hardiness rating actually means

Yes — tangerine beauty crossvine is genuinely cold hardy. Rated RHS H5 and USDA 5-9, it lives outdoors all year and needs winter cold rather than protection from it. Its RHS rating of H5 means: Hardy in most of the UK and in cold winters. On the US scale that maps to USDA 5-9 — 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 −15 to −10 °C. Tangerine Beauty Crossvine is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for tangerine beauty crossvine as it gets too cold:

It tolerates winter lows to about −15 to −10 °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 tangerine beauty crossvine go outside or overwinter — and where?

Plant it out within USDA 5-9 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 tangerine beauty crossvine can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H5 figure above.

Tangerine Beauty Crossvine hardiness — frequently asked questions

Is tangerine beauty crossvine cold hardy?

Yes — tangerine beauty crossvine is genuinely cold hardy. Rated RHS H5 and USDA 5-9, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Tangerine Beauty Crossvine is hardy across USDA 5-9; 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 tangerine beauty crossvine can survive?

Minimum survivable temperature is roughly about −15 to −10 °C. Tangerine Beauty Crossvine is built for winter — once established it takes hard frost and snow in its stride.

What hardiness zone is tangerine beauty crossvine?

Tangerine Beauty Crossvine is rated USDA 5-9 and RHS H5 — Hardy in most of the UK and in cold winters.

Can tangerine beauty crossvine survive winter outside?

Plant it out within USDA 5-9 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 tangerine beauty crossvine below its minimum temperature?

It tolerates winter lows to about −15 to −10 °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.