Cold hardiness & minimum temperature

Is Peach Palm (Bactris gasipaes)cold hardy? Hardiness zone & min temp

Also called peach palm, pejibaye, pupunha.

More about peach palm

About Peach Palm

Bactris gasipaes · also called peach palm, pejibaye · edible

Peach palm is a fast-growing, clustering Central and South American palm grown for starchy orange fruit and prized hearts of palm. Stems are usually ringed with sharp black spines. It needs tropical heat, ample moisture and rich soil, and is frost-tender, suiting only true tropics or large heated glasshouses outside warm climates.

Cold limit: USDA 10b-12 (frost-tender; glasshouse-only in most of US/UK) · RHS H1b (20-32°C)

Watch for — Cold sensitivity: Frost-tender and damaged below about 10°C; it must be kept warm, making it glasshouse-only in temperate regions.

What peach palm's hardiness rating actually means

Peach Palm 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 10b-12 (frost-tender; glasshouse-only in most of US/UK) — 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). Peach Palm has no frost tolerance at all — it is an indoor plant in any climate with a real winter.

Concretely, for peach palm 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 peach palm 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 peach palm can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H1b figure above.

Peach Palm hardiness — frequently asked questions

Is peach palm cold hardy?

Peach Palm 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. Peach Palm can only live outside year-round in genuinely frost-free climates (roughly USDA 10b-12 (frost-tender; glasshouse-only in most of US/UK)); everywhere else it is a houseplant that summers out at most.

What is the minimum temperature peach palm can survive?

Minimum survivable temperature is roughly about 10 °C (sustained cold below this is damaging). Peach Palm has no frost tolerance at all — it is an indoor plant in any climate with a real winter.

What hardiness zone is peach palm?

Peach Palm is rated USDA 10b-12 (frost-tender; glasshouse-only in most of US/UK) and RHS H1b — Sub-tropical — a normal warm home is fine, but it cannot go outside in a cool season.

Can peach palm 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 peach palm 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.