Cold hardiness & minimum temperature

Is Cyclamen 'Victoria' (Cyclamen persicum 'Victoria')cold hardy? Hardiness zone & min temp

Also called Victoria cyclamen, ruffled cyclamen.

More about cyclamen 'victoria'

About Cyclamen 'Victoria'

Cyclamen persicum 'Victoria' · also called Victoria cyclamen, ruffled cyclamen · flowering

Cyclamen 'Victoria' is a florist cyclamen prized for white, frilly-edged petals brushed with a red-pink picotee margin above silver-marbled, heart-shaped leaves. It is a cool-season bloomer that flowers through autumn and winter, then rests its tuber over summer. Cool rooms, bright indirect light and careful base watering keep it flowering for months.

Cold limit: USDA 9-11 (grown as a cool indoor pot plant in most US homes) · RHS H2 (10-16°C)

Watch for — Yellowing leaves: Late-season yellowing is natural dormancy; mid-season yellowing usually signals overwatering or too much heat. Adjust watering and temperature, and reduce care as summer rest begins.

What cyclamen 'victoria''s hardiness rating actually means

Cyclamen 'Victoria' is half-hardy (RHS H2). It survives a mild winter outdoors in a sheltered spot, but a hard frost kills it — so in colder zones it is lifted, potted, or grown as a tender plant. Its RHS rating of H2 means: Tender — survives a frost-free greenhouse or a very mild, sheltered spot. On the US scale that maps to USDA 9-11 (grown as a cool indoor pot plant 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 1 to 5 °C — tolerates cold but no real frost. Cyclamen 'Victoria' shrugs off cold nights but a real, sustained freeze will kill it.

Concretely, for cyclamen 'victoria' as it gets too cold:

Down to roughly about 1 to 5 °C it copes, especially if dry and sheltered.
A sustained hard frost collapses the top growth; whether it returns depends on whether the roots, crown or tubers froze.
Wet cold is far more lethal than dry cold for this plant — soggy, frozen soil is the usual killer.

Can cyclamen 'victoria' go outside or overwinter — and where?

It can live outside year-round only in the mildest, most sheltered part of USDA 9-11 (grown as a cool indoor pot plant in most US homes) or a frost-free UK microclimate.
In colder zones, grow it in a pot you can move under cover, or lift its tubers/roots and store them frost-free over winter.
A south-facing wall, free-draining soil and a dry winter position can push it a full zone hardier than the books suggest.

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 cyclamen 'victoria' can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H2 figure above.

Frost protection for borderline cyclamen 'victoria'

Cyclamen 'Victoria' is right on a hardiness edge in many gardens, so if you are pushing it, these measures buy it the margin it needs:

Mulch the crown or root zone deeply with bark, straw or leaf-mould before the first hard frost.
Move container plants against a warm wall or into an unheated but frost-free porch or greenhouse.
Fleece the top growth on the coldest nights, and keep it on the dry side — dry roots survive cold far better than wet ones.
Lift dahlia-type tubers or tender crowns after the first light frost blackens the foliage and store them somewhere cool but frost-free.

Cyclamen 'Victoria' hardiness — frequently asked questions

Is cyclamen 'victoria' cold hardy?

Cyclamen 'Victoria' is half-hardy (RHS H2). It survives a mild winter outdoors in a sheltered spot, but a hard frost kills it — so in colder zones it is lifted, potted, or grown as a tender plant. Borderline outdoors. In its mild end of USDA 9-11 (grown as a cool indoor pot plant in most US homes) (and sheltered UK gardens) cyclamen 'victoria' can stay out; in colder areas it must be lifted, brought in, or treated as a frost-tender plant.

What is the minimum temperature cyclamen 'victoria' can survive?

Minimum survivable temperature is roughly about 1 to 5 °C — tolerates cold but no real frost. Cyclamen 'Victoria' shrugs off cold nights but a real, sustained freeze will kill it.

What hardiness zone is cyclamen 'victoria'?

Cyclamen 'Victoria' is rated USDA 9-11 (grown as a cool indoor pot plant in most US homes) and RHS H2 — Tender — survives a frost-free greenhouse or a very mild, sheltered spot.

Can cyclamen 'victoria' survive winter outside?

It can live outside year-round only in the mildest, most sheltered part of USDA 9-11 (grown as a cool indoor pot plant in most US homes) or a frost-free UK microclimate. In colder zones, grow it in a pot you can move under cover, or lift its tubers/roots and store them frost-free over winter. A south-facing wall, free-draining soil and a dry winter position can push it a full zone hardier than the books suggest.

How do I protect cyclamen 'victoria' from frost?

Mulch the crown or root zone deeply with bark, straw or leaf-mould before the first hard frost. Move container plants against a warm wall or into an unheated but frost-free porch or greenhouse. Fleece the top growth on the coldest nights, and keep it on the dry side — dry roots survive cold far better than wet ones. Lift dahlia-type tubers or tender crowns after the first light frost blackens the foliage and store them somewhere cool but frost-free.