Cold hardiness & minimum temperature

Is Calathea Lutea (Cuban Cigar) (Goeppertia lutea)cold hardy? Hardiness zone & min temp

Also called Cuban cigar, Pampano, Calathea lutea.

More about calathea lutea (cuban cigar)

About Calathea Lutea (Cuban Cigar)

Goeppertia lutea · also called Cuban cigar, Pampano · tropical

Calathea lutea, the Cuban cigar plant, is a large tropical prayer plant from Central and South America with huge paddle-shaped leaves backed by a chalky-white waxy bloom. Far more sun- and moisture-tolerant than fussy ornamental calatheas, it can reach several metres outdoors in the tropics. Pet-safe and grown for bold, banana-like foliage.

Cold limit: USDA 9b-12 (outdoors in frost-free tropics; indoor elsewhere) · RHS H1b (18-30°C)

Watch for — Root rot in cold, soggy pots: Although moisture-loving, cold stagnant water rots roots. Ensure drainage and keep it warm, especially in winter.

What calathea lutea (cuban cigar)'s hardiness rating actually means

Calathea Lutea (Cuban Cigar) 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-12 (outdoors in frost-free tropics; indoor elsewhere) — 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). Calathea Lutea (Cuban Cigar) has no frost tolerance at all — it is an indoor plant in any climate with a real winter.

Concretely, for calathea lutea (cuban cigar) 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 calathea lutea (cuban cigar) 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 calathea lutea (cuban cigar) can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H1b figure above.

Calathea Lutea (Cuban Cigar) hardiness — frequently asked questions

Is calathea lutea (cuban cigar) cold hardy?

Calathea Lutea (Cuban Cigar) 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. Calathea Lutea (Cuban Cigar) can only live outside year-round in genuinely frost-free climates (roughly USDA 9b-12 (outdoors in frost-free tropics; indoor elsewhere)); everywhere else it is a houseplant that summers out at most.

What is the minimum temperature calathea lutea (cuban cigar) can survive?

What hardiness zone is calathea lutea (cuban cigar)?

Calathea Lutea (Cuban Cigar) is rated USDA 9b-12 (outdoors in frost-free tropics; indoor elsewhere) and RHS H1b — Sub-tropical — a normal warm home is fine, but it cannot go outside in a cool season.

Can calathea lutea (cuban cigar) 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 calathea lutea (cuban cigar) 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.