Cold hardiness & minimum temperature

Is Central Australian Cabbage Palm (Livistona mariae)cold hardy? Hardiness zone & min temp

Also called Red Cabbage Palm, Palm Valley Palm, Central Australian Palm.

More about central australian cabbage palm

About Central Australian Cabbage Palm

Livistona mariae · also called Red Cabbage Palm, Palm Valley Palm · tropical

The Central Australian Cabbage Palm is a striking and ecologically significant palm native to the isolated gorges of Palm Valley, Northern Territory, Australia. Young leaves emerge vivid red before maturing to deep green, making it one of the most distinctive Australian palms. Non-toxic to pets; extremely rare in cultivation.

Cold limit: USDA 9-11 · RHS H3 (5-40°C)

Watch for — Frost damage: Young plants are vulnerable to frost below 5°C; protect container specimens under glass or fleece during cold spells.

What central australian cabbage palm's hardiness rating actually means

Central Australian Cabbage Palm is half-hardy (RHS H3). 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 H3 means: Half-hardy — comes through mild UK winters outside but is killed by a hard freeze. On the US scale that maps to USDA 9-11 — 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 to 1 °C — a light, short frost only. Central Australian Cabbage Palm shrugs off cold nights but a real, sustained freeze will kill it.

Concretely, for central australian cabbage palm as it gets too cold:

Down to roughly about −5 to 1 °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 central australian cabbage palm go outside or overwinter — and where?

It can live outside year-round only in the mildest, most sheltered part of USDA 9-11 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 central australian cabbage palm can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H3 figure above.

Frost protection for borderline central australian cabbage palm

Central Australian Cabbage Palm 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.

Central Australian Cabbage Palm hardiness — frequently asked questions

Is central australian cabbage palm cold hardy?

Central Australian Cabbage Palm is half-hardy (RHS H3). 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 (and sheltered UK gardens) central australian cabbage palm can stay out; in colder areas it must be lifted, brought in, or treated as a frost-tender plant.

What is the minimum temperature central australian cabbage palm can survive?

Minimum survivable temperature is roughly about −5 to 1 °C — a light, short frost only. Central Australian Cabbage Palm shrugs off cold nights but a real, sustained freeze will kill it.

What hardiness zone is central australian cabbage palm?

Central Australian Cabbage Palm is rated USDA 9-11 and RHS H3 — Half-hardy — comes through mild UK winters outside but is killed by a hard freeze.

Can central australian cabbage palm survive winter outside?

It can live outside year-round only in the mildest, most sheltered part of USDA 9-11 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 central australian cabbage palm 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.