OllieB497

Hi,
Does anyone know the hardiness (the plant keeps its green leaves and doesn’t die back min temps so excluding the plant dieback.) of
Namwah
Orinoco
Blue java
Gros Michel
Siam ruby
Manzano?

Thanks

75north

Speaking only from personal experience, Namwah has been totally unaffected down to 35F, while Manzano lost a couple leaves at that temp but the pstem and bananas survived. Gros Michel can start losing leaves in the mid 40s.

OllieB497

Gros Michel 4.4 degrees c? Damn thags colf, I keep bringing it in if temps are below 10 degrees cause i don’t wanna kill it 😅
Manzano and namwah I completely agree. Had similar experiences to you on those
Cheers

75north

My Gros Michel has started to lose leaves in the mid-40s F, or ~7 degrees C. Mine hasn't been exposed to to 40F/4.4C temps yet so I can't really comment.

OllieB497

Fair enough. In the UK its a rare-ish plants so don’t wanna kill it. It’s in a pot and I’ve been putting it inside over night then in my poly first thing in the morning and it’s starting to get silly. So may leave it at it’s around 8-9 degrees Celsius over night if it can survive 7

JaredZone9a

Did the Namwa’s leaves turn brown? What temperature affects a Namwa
?

75north

After a 35F night there was no brown on any of the leaves. The plant looked like it might as well have been the middle of the summer. Any yellow/brown leaves here were just the result of older leaves naturally dying away.


Meanwhile the Dwarf Cavendishes:


I haven't seen a temperature below 35F since I started growing the Namwah, so I can't say from personal experience what happens below that, but this thread should be helpful just so you can visualize the stages of bananas' sensitivity to cold:

Dwarf Namwah cold hardiness