Akula

Member Mark Dragt grows in that area. I think he has a greenhouse though. Check out some of his posts.

Richard

Yes, according to his profile he lives in/near Rochester, Wa.

SoCal2Warm -- if you are still interested in breeding cold hardy bananas, check with member Gabe15. He has a PhD in ... bananas!

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druss

Richard is right, if your keen on breeding bananas, look up botanical bryce, tytaylor gabe15 and basjoofriend i think he is. All of them could offer alot of information with regards to what your trying to achieve.

SoCal2warm

I've read a few comments that some of these bananas are "hardy to zone 8".
Does that mean that the pseudostem will survive through the Winter, or just that the banana will die back to the ground and regrow the following year?

Richard

It means the seller was looking for desperate buyers.

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Gabe15

Where exactly are you located? z8 comes in many flavors, especially in the PNW.

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SoCal2warm

About an hour South of Seattle. (Olympia)

The climate zone map shows the area is solidly in zone 8a, but I know there are definitely some areas within that zone area on the map that are both colder or warmer than the exact location here. If I had to guess, I'd guess that the specific spot here is more equivalent to 8b but bordering on 8a.

Tytaylor77

My 8b can be brutal or mild. 3 years ago the low was 30f all winter! Last year it was 14f! Only variety that survived 14f was a few blue Java’s. 2 Orinoco out of 20+. When I say survived I mean the pstem.

Helens Hybrid doesn’t do well here at all. The most cold hardy of my collection in my opinion is blue java. Very close second is my dwarf Orinoco varities. D. Chamaluco is one of the 2 that made it. Everything else died back. I lost ALL my Musa Veinte Cohol mats. I’m talking old huge mats! Total loss! Also lost a few other AA types. Lucky I keep backups! Keep on site and off site backups of rare types if possible!

Go for it! I wish you great success! Gabe is a Musa genius! And a very nice guy. He will gladly help and answer questions if he has time!

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Gabe15

The issue with coastal PNW z8 and z9, is that although it technically does not get very cold, it also never gets very hot, and is rarely continuously warm day and night. Bananas need continuous heat to grow well. Even though daytime summer temps can be sufficient, every time it cools down at night they will slow or stop again. Some of the hardiest edible cultivars you may be able to get to come back in the spring if you mulch heavily, and build protective cages around the pseudostem, but you are unlikely to get fruit leaving them in the ground. Your best bet for a chance at fruit would be to grow them in a greenhouse, or keep them in large pots which you can bring inside for the winter and try to keep alive as houseplants, and put them outside in the summer.

I used to live in Kingston in North Kitsap, where it was basically z9, and I tried a number of bananas outside. M. basjoo, M. sikkimensis, and Musella lasiocarpa are all hardy and will come back. They grow better as well during the summer because they can tolerate the day/night temperature shift better, whereas edible cultivars tend to just be slow all around. But even those wild species are much slower than they would be in warmer climates, and although the plants do ok, they rarely flower north of Portland OR.

I observed many M. basjoo stands over there, and never saw any that kept leaves throughout the winter until spring. They can hold on for quite awhile, longer than you'd think, but eventually they melt. I'm doubtful any can make it to spring unless they are in a particularly cozy microclimate with some happenstance protection from freezing and a little bit of luck. Don't rely on that being a normal occurrence.

If I had to grow bananas in WA again, I would try it in Yakima. It's a little colder in the winter, but you can overcome that easier than trying to produce more heat and sunlight during the spring and summer when the plants are actively growing.

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SoCal2warm

I think it will do better here because from what I've read, Sikkimensis does better in cooler temperature climates (coming from the Himalayas). I even read one person's observation that their Sikkimensis started growing out earlier before their Basjoo bananas did.
It's certainly a cool temperature climate here for half the year (maybe a little bit more than that).

SoCal2warm

I know the climates of the region pretty well, and looking at the map that looks more like a borderline zone 8/9 area. It's also almost right across from Whidbey Island which I've read reports has notoriously cool low temperatures and can be challenging to garden even regular plants there.
While your observations are valuable, I don't think it's fair to extend those observations to the rest of the region. I get more heat here than where you were.

Gabe15

that was my experience living there, but I also know and have met with folks growing in other parts of WA, as well as know a thing or two about bananas. Unless you have nights that dont rountiely get below 65-70F for months on end, the bananas will be slowed down considerably, and even then the season will never be long enough allow the plant to get to maturity, flower, and ripen a bunch without extreme intervention.. Even the hardiest varieties are maringal producers in northern California. I dont think youre going to find a natural sweet spot anywhere in coastal Washington. You may get plants to surivive winter, but thats a long ways from fruiting. If you really want to grow bananasin WA, invest in a greenhouse. Member Mark Dragt has been doig just this in Rochester.

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Mark Dragt

Thanks Gabe!

My biggest problem with growing bananas outside was they wouldn't grow. I tried many varieties. It could be in the 90s during the day, but dip into the 50s at night. Bananas do not like that at all. Then I built my greenhouse. My whole banana growing world changed. Right now as I type this I have 9 bunches hanging. Even at that, my fruit is not the same as bananas grown in a more tropical climate. I still have a problem with fruit fill. My favorite so far is Namwah. Now that plant has its own challenges. It matures around 16 feet. My greenhouse is 12 feet. Right now my Tall Namwah is 11 feet but has a bunch hanging at 4 feet. Not just a bunch, but a 12 hand 171 finger bunch. Growing edible bananas here is possible and is extremely rewarding! It all depends on how much effort YOU want to put into it.

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Here in NorCal we get cold nights as well, however we have a much longer growing season with warmer temps.

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druss

The problem with helens hybrid is that it is a hybrid. Supposedly between sikkimensis and muss chimi champa, but whilst the original individual plant showed certain characteristics, theres no guarantee that the offspring are going to be true to type. Also many seeds are from 2nd or 3rd gen plants meaning there could have been all sorts of crossing. Even seeds from the 1st gen plant could have been pollinated by something else. I suggest sikkimensis, yunnanensis, basjoo, griersonii, itinerans will be better options.

SoCal2warm

What about putting something like this over the banana?

"Zenport 6-foot portable pop-up greenhouse cover"

https://www.horticulturesource.com/z...iABEgLE9vD_BwE

https://www.walmart.com/ip/6-Foot-Po...ype=14&veh=aff

sirdoofus

I realize this is an older thread, but I though I'd throw my limited experience with sikkimensis in. I lived in Beavercreek, OR for a number of years. Zone map says 8b but we had a bit more elevation than much of the area (700ft) so not really sure exactly where that put us.

The only banana I grew was sikkimensis and it did quite well with a good wrapping of the pstem and extra mulch over winter. I never really paid attention to when the basjoos in Portland started their growth, but I did notice the sikkimensis seemed to leaf out more rapidly and looked fuller sooner. At the time I wasn't really aware of the different sikki cultivars, so don't know which one mine was for sure, but it was sold to me as straight sikkimensis from a reputable garden center......for whatever that's worth.

keeping my fingers crossed that I get at least one seed to germinate

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