Cold hardiness & minimum temperature

Is Yellow Jaboticaba (Myrciaria glazioviana)cold hardy? Hardiness zone & min temp

Also called Yellow Jaboticaba, Cabeluda, Cabelluda.

More about yellow jaboticaba

About Yellow Jaboticaba

Myrciaria glazioviana · also called Yellow Jaboticaba, Cabeluda · tropical

Yellow Jaboticaba is a rare Brazilian cauliflorous fruit tree that produces sweet, golden-skinned berries directly on its trunk and branches. It thrives in humid subtropical to tropical climates, prefers full sun with consistent moisture, tolerates brief light frost once established, and rewards patient growers with multiple harvests per year.

Cold limit: USDA 9b–11 · RHS H1b (15–32°C)

What yellow jaboticaba's hardiness rating actually means

Yellow Jaboticaba 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). Yellow Jaboticaba has no frost tolerance at all — it is an indoor plant in any climate with a real winter.

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

Yellow Jaboticaba hardiness — frequently asked questions

Is yellow jaboticaba cold hardy?

Yellow Jaboticaba 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. Yellow Jaboticaba 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 yellow jaboticaba can survive?

What hardiness zone is yellow jaboticaba?

Yellow Jaboticaba 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 yellow jaboticaba 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 yellow jaboticaba 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.