Cold hardiness & minimum temperature

Is Velvet Calathea (Furry Feather) (Goeppertia rufibarba)cold hardy? Hardiness zone & min temp

Also called Velvet Calathea, Furry Feather Calathea, Furry Feather, Velvet Prayer Plant.

More about velvet calathea (furry feather)

About Velvet Calathea (Furry Feather)

Goeppertia rufibarba · also called Velvet Calathea, Furry Feather Calathea · houseplant

The Velvet Calathea (Goeppertia rufibarba, syn. Calathea rufibarba) is a clumping tropical prayer plant prized for its wavy, lance-shaped leaves with fuzzy reddish undersides. It wants bright indirect light, evenly moist soil, warmth and high humidity above 60 percent. The ASPCA lists Calathea as non-toxic to cats and dogs.

Cold limit: USDA 11a-12b (grown as an indoor houseplant in cooler climates; RHS hardiness H1a, minimum ~15°C/59°F) (18-24°C)

What velvet calathea (furry feather)'s hardiness rating actually means

Velvet Calathea (Furry Feather) 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 11a-12b (grown as an indoor houseplant in cooler climates; RHS hardiness H1a, minimum ~15°C/59°F) — 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). Velvet Calathea (Furry Feather) has no frost tolerance at all — it is an indoor plant in any climate with a real winter.

Concretely, for velvet calathea (furry feather) 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 velvet calathea (furry feather) 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 velvet calathea (furry feather) can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H1b figure above.

Velvet Calathea (Furry Feather) hardiness — frequently asked questions

Is velvet calathea (furry feather) cold hardy?

Velvet Calathea (Furry Feather) 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. Velvet Calathea (Furry Feather) can only live outside year-round in genuinely frost-free climates (roughly USDA 11a-12b (grown as an indoor houseplant in cooler climates; RHS hardiness H1a, minimum ~15°C/59°F)); everywhere else it is a houseplant that summers out at most.

What is the minimum temperature velvet calathea (furry feather) can survive?

What hardiness zone is velvet calathea (furry feather)?

Velvet Calathea (Furry Feather) is rated USDA 11a-12b (grown as an indoor houseplant in cooler climates; RHS hardiness H1a, minimum ~15°C/59°F) and RHS H1b — Sub-tropical — a normal warm home is fine, but it cannot go outside in a cool season.

Can velvet calathea (furry feather) 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 velvet calathea (furry feather) 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.