Cold hardiness & minimum temperature

Is Anthurium andraeanum 'Purple Victory' (Anthurium andraeanum 'Purple Victory')cold hardy? Hardiness zone & min temp

Also called Purple Victory anthurium.

More about anthurium andraeanum 'purple victory'

About Anthurium andraeanum 'Purple Victory'

Anthurium andraeanum 'Purple Victory' · also called Purple Victory anthurium · tropical

Anthurium 'Purple Victory' is a hybrid flamingo flower prized for glossy deep-purple to wine-burgundy spathes held above heart-shaped leathery leaves. It blooms almost year-round indoors when given bright indirect light, an airy chunky mix, warmth and steady moisture. An epiphytic aroid, it dislikes soggy roots and cold drafts but rewards consistency with repeat flowering.

Cold limit: USDA 11-12 (indoor in most US homes) · RHS H1b (18-29°C)

What anthurium andraeanum 'purple victory''s hardiness rating actually means

Anthurium andraeanum 'Purple Victory' is not cold hardy. It is a tropical houseplant that dies if it is left out through frost — there is no zone where it overwinters outdoors in a UK or cold-US climate. Its RHS rating of H1b means: Sub-tropical — a normal warm home is fine, but it cannot go outside in a cool season. On the US scale that maps to USDA 11-12 (indoor in most US homes) — 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 °C (sustained cold below this is damaging). Anthurium andraeanum 'Purple Victory' has no frost tolerance at all — it is an indoor plant in any climate with a real winter.

Concretely, for anthurium andraeanum 'purple victory' as it gets too cold:

Below about about 10 °C, growth stalls and the leaves start to show cold stress — dark, water-soaked, or yellowing patches.
A single light frost blackens the foliage; a hard freeze kills the whole plant, roots included, and it does not recover.
Even a cold, draughty windowsill or an unheated porch in winter can be enough to damage it permanently.

Can anthurium andraeanum 'purple victory' go outside or overwinter — and where?

It can holiday outdoors in summer once nights are reliably above 10 °C, in shade or dappled light, hardened off gradually.
Bring it back indoors well before the first autumn frost — do not wait for a frost warning, move it when nights drop toward 10-12 °C.
It will never overwinter outside in a temperate climate; the indoors is its winter home, full stop.

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 anthurium andraeanum 'purple victory' can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H1b figure above.

Anthurium andraeanum 'Purple Victory' hardiness — frequently asked questions

Is anthurium andraeanum 'purple victory' cold hardy?

Anthurium andraeanum 'Purple Victory' is not cold hardy. It is a tropical houseplant that dies if it is left out through frost — there is no zone where it overwinters outdoors in a UK or cold-US climate. Indoor-only in almost every home. Anthurium andraeanum 'Purple Victory' can only live outside year-round in genuinely frost-free climates (roughly USDA 11-12 (indoor in most US homes)); everywhere else it is a houseplant that summers out at most.

What is the minimum temperature anthurium andraeanum 'purple victory' can survive?

What hardiness zone is anthurium andraeanum 'purple victory'?

Anthurium andraeanum 'Purple Victory' is rated USDA 11-12 (indoor in most US homes) and RHS H1b — Sub-tropical — a normal warm home is fine, but it cannot go outside in a cool season.

Can anthurium andraeanum 'purple victory' survive winter outside?

It can holiday outdoors in summer once nights are reliably above 10 °C, in shade or dappled light, hardened off gradually. Bring it back indoors well before the first autumn frost — do not wait for a frost warning, move it when nights drop toward 10-12 °C. It will never overwinter outside in a temperate climate; the indoors is its winter home, full stop.

What happens to anthurium andraeanum 'purple victory' below its minimum temperature?

Below about about 10 °C, growth stalls and the leaves start to show cold stress — dark, water-soaked, or yellowing patches. A single light frost blackens the foliage; a hard freeze kills the whole plant, roots included, and it does not recover. Even a cold, draughty windowsill or an unheated porch in winter can be enough to damage it permanently.