Cold hardiness & minimum temperature

Is Callisia Repens 'Pink Lady' (Callisia repens 'Pink Lady')cold hardy? Hardiness zone & min temp

Also called Pink Turtle Vine, Pink Bubbles.

More about callisia repens 'pink lady'

About Callisia Repens 'Pink Lady'

Callisia repens 'Pink Lady' · also called Pink Turtle Vine, Pink Bubbles · houseplant

Callisia repens 'Pink Lady' is a tiny-leaved creeping turtle vine variegated in cream and bubblegum pink. The pink intensifies in bright light, fading to plain green in shade. It is fast, drought-tolerant, and ideal for hanging pots or as living ground cover. The sap can trigger contact dermatitis in pets.

Cold limit: USDA 9-11 (indoor in most US homes) · RHS H1c (18-26°C)

What callisia repens 'pink lady''s hardiness rating actually means

Callisia Repens 'Pink Lady' 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 H1c means: Warm-temperate — can summer outdoors but must come in well before the first frost. On the US scale that maps to USDA 9-11 (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 5 °C (and never frost). Callisia Repens 'Pink Lady' has no frost tolerance at all — it is an indoor plant in any climate with a real winter.

Concretely, for callisia repens 'pink lady' as it gets too cold:

Below about about 5 °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 callisia repens 'pink lady' go outside or overwinter — and where?

It can holiday outdoors in summer once nights are reliably above 5 °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 callisia repens 'pink lady' can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H1c figure above.

Callisia Repens 'Pink Lady' hardiness — frequently asked questions

Is callisia repens 'pink lady' cold hardy?

Callisia Repens 'Pink Lady' 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. Callisia Repens 'Pink Lady' can only live outside year-round in genuinely frost-free climates (roughly USDA 9-11 (indoor in most US homes)); everywhere else it is a houseplant that summers out at most.

What is the minimum temperature callisia repens 'pink lady' can survive?

Minimum survivable temperature is roughly about 5 °C (and never frost). Callisia Repens 'Pink Lady' has no frost tolerance at all — it is an indoor plant in any climate with a real winter.

What hardiness zone is callisia repens 'pink lady'?

Callisia Repens 'Pink Lady' is rated USDA 9-11 (indoor in most US homes) and RHS H1c — Warm-temperate — can summer outdoors but must come in well before the first frost.

Can callisia repens 'pink lady' survive winter outside?

It can holiday outdoors in summer once nights are reliably above 5 °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 callisia repens 'pink lady' below its minimum temperature?

Below about about 5 °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.