Cold hardiness & minimum temperature

Is Maranta-Leaved Globba (Globba marantina)cold hardy? Hardiness zone & min temp

Also called Maranta-Leaved Globba, Dancing Girl Ginger, Maranti's Swan Flower.

More about maranta-leaved globba

About Maranta-Leaved Globba

Globba marantina · also called Maranta-Leaved Globba, Dancing Girl Ginger · tropical

Globba marantina is a compact tropical ginger native to a wide arc from the Indian subcontinent through Southeast Asia to the Philippines, New Guinea, and northern Queensland, growing in dry, open forest margins and sago plantations rather than deep shade. It reaches 20–50 cm tall and bears distinctive yellow flowers with a red-spotted labellum on horizontal, cylindrical inflorescences, with abundant orange fruits following. Unlike most Globba species it favours drier, more open conditions and rarely flowers freely in cultivation without adequate warmth. Globba marantina has no documented toxic principles; classify as mildly toxic in the absence of an individual ASPCA listing.

Cold limit: USDA 9b–11 · RHS H1b (20–32°C (growing); minimum 12°C)

Watch for — Reluctance to flower indoors: Globba marantina rarely flowers in cultivation without sufficient warmth, light, and a clear dry dormancy period. Ensure temperatures stay above 20°C in summer, provide the brightest feasible indirect light, and enforce a dry winter rest to trigger the following season's blooms.

What maranta-leaved globba's hardiness rating actually means

Maranta-Leaved Globba 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 9b–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 10 °C (sustained cold below this is damaging). Maranta-Leaved Globba has no frost tolerance at all — it is an indoor plant in any climate with a real winter.

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

Maranta-Leaved Globba hardiness — frequently asked questions

Is maranta-leaved globba cold hardy?

Maranta-Leaved Globba 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. Maranta-Leaved Globba can only live outside year-round in genuinely frost-free climates (roughly USDA 9b–11); everywhere else it is a houseplant that summers out at most.

What is the minimum temperature maranta-leaved globba can survive?

What hardiness zone is maranta-leaved globba?

Maranta-Leaved Globba is rated USDA 9b–11 and RHS H1b — Sub-tropical — a normal warm home is fine, but it cannot go outside in a cool season.

Can maranta-leaved globba 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 maranta-leaved globba 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.