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Sep 27, 2010 11:32 AM CST
Moderator
Name: Suzanne/Sue
Sebastopol, CA (Zone 9a)
Sunset Zone 15
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LOL, well there are always exceptions and I hear that many times, that folks are growing outside their zones but most take that extra protective effort.
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Sep 27, 2010 11:48 AM CST
Moderator
Name: Zuzu
Northern California (Zone 9a)
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Toni, you pile mulch around your roses and take other protective measures that essentially turn those spots in your garden into little pockets of zone 7 or 8. The zone hardiness figures refer to the zones in which you don't have to do anything extra in winter to keep your roses alive.
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Sep 27, 2010 12:24 PM CST
Name: Toni
Denver Metro (Zone 5a)
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oh, really? I just thought that the zone hardness was for it growing, period. You mean, that if I tried something, say, oleander, which is a definite zone 7, and piled enough mulch around the base, that maybe it'll grow?

REALLY????? OMG.

If that's the case, then I'm DEFINITELY going to try some other plants that I swore wouldn't grow here (like Oleander.. I grew up as a child with our back fence totally blocked by Oleander.. it was over 15' tall and was the pink, white, & red varieties.. I would go and pluck flowers that were on our side of the fence to give to my mom. Never knew that they were toxic. But then again, never ate them, eithter).

YAY!!!!!!!! Learn something new every day! Smiling Thumbs up Thumbs up Thumbs up
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Sep 27, 2010 12:42 PM CST
Moderator
Name: Zuzu
Northern California (Zone 9a)
Region: Ukraine Charter ATP Member Region: California Cat Lover Roses Clematis
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Toni, I don't know anything about Oleander. Roses can be protected well with mulch and cones because the tops go dormant in winter. Not sure about Oleander. I know my tropical hibiscus die in winter here because they never seem to go dormant, so there's lots of foligage to get frost-bitten.
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Sep 27, 2010 1:01 PM CST
Name: Toni
Denver Metro (Zone 5a)
Whiskey Tango Foxtrot.
Birds Garden Ideas: Master Level Salvias Garden Procrastinator Irises I was one of the first 300 contributors to the plant database!
Charter ATP Member Xeriscape Region: Colorado Roses Cat Lover The WITWIT Badge
oh. :(

Did you have to burst my bubble?

Well, you know what? I'm gonna try it ANYWAYS. If MaryJane seems to grow here out-of-doors in the mountains for years (last bust they figured the plants were at least 2-3 years old) then why not? HA! Take that USDA Zone Rules! :P :P :P Hilarious! Hilarious! Hilarious! Lovey dubby
Roses are one of my passions! Just opened, my Etsy shop (to fund my rose hobby)! http://www.etsy.com/shop/Tweet...
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Sep 27, 2010 1:04 PM CST
Moderator
Name: Zuzu
Northern California (Zone 9a)
Region: Ukraine Charter ATP Member Region: California Cat Lover Roses Clematis
Irises Celebrating Gardening: 2015 Plant Identifier Garden Sages Plant Database Moderator Garden Ideas: Master Level
But maybe Oleander goes dormant in winter too, Toni. I just don't have any experience growing it. You should try it, by all means.
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Sep 27, 2010 2:32 PM CST
Name: Toni
Denver Metro (Zone 5a)
Whiskey Tango Foxtrot.
Birds Garden Ideas: Master Level Salvias Garden Procrastinator Irises I was one of the first 300 contributors to the plant database!
Charter ATP Member Xeriscape Region: Colorado Roses Cat Lover The WITWIT Badge
Honestly, I can't remember if it goes dormant... this was back in '88 when we moved away, so from '76 to '88 was when I lived that far south. I can't remember if they just stayed green or if they went brown. I do remember that they kept their leaves as it was a wonderful block between neighbors and in the summertime it was SOOOOOOO pretty!! with all the flowers. I've thought about doing hollyhocks or something, but my hollyhocks only got to be about 2' tall this year when they were over 7' tall last year.
Roses are one of my passions! Just opened, my Etsy shop (to fund my rose hobby)! http://www.etsy.com/shop/Tweet...
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Sep 27, 2010 5:09 PM CST
Moderator
Name: Suzanne/Sue
Sebastopol, CA (Zone 9a)
Sunset Zone 15
Plant Database Moderator Region: California Cottage Gardener Garden Photography Roses Clematis
Daylilies Houseplants Foliage Fan Birds Butterflies Bee Lover
It stays green, mine did in my backyard and all the highway ones do too. But we don't get much frost.
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Sep 27, 2010 6:09 PM CST
Name: Porkpal
Richmond, TX (Zone 9a)
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Here we usually get a few freezes each winter, and the oleanders' leaves turn black and fall off - eventually, but the plant leafs back out in the spring. Last year, however, we had a much colder winter, and it stayed well below freezing for over a week. Many oleanders died completely. Your weather, Toni, is much more severe. Interestingly a couple of my tropical hibiscus died back but the roots survived and resprouted.
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Sep 27, 2010 6:19 PM CST
Name: Toni
Denver Metro (Zone 5a)
Whiskey Tango Foxtrot.
Birds Garden Ideas: Master Level Salvias Garden Procrastinator Irises I was one of the first 300 contributors to the plant database!
Charter ATP Member Xeriscape Region: Colorado Roses Cat Lover The WITWIT Badge
Hibiscus, for the most part, do quite well here. I have two of them in my front yard & one had been blooming these 6" white blossoms quite steadily for a couple of months now. The rose of Sharon in the back didnt do as well this year. Where I get my birdseed they have these two rose of Sharon bushes that are at least 10' tall and 6-8' wide each. So pretty!!

At least my mums that survived last year are doing well this year!
Roses are one of my passions! Just opened, my Etsy shop (to fund my rose hobby)! http://www.etsy.com/shop/Tweet...
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Oct 6, 2010 5:21 PM CST
Name: Steve
Prescott, AZ (Zone 7b)
Irises Lilies Roses Region: Southwest Gardening
Some hibiscus are cold hardy; some are definitely not.

My only tropicals are a brugmansia Jean Pasco which is head-high in a 20 inch pot, and mandevilla Alice du Pont. Jean will move into my garage before halloween, and Alice will over-winter in my office.

If oleander doesn't reliably survive TX winters, I'm sure I cannot get it to survive here. But the lilac that I planted this spring is still alive.

Totally forgot to buy mums on sale at the local store two weeks ago. Darn.
When you dance with nature, try not to step on her toes.
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Oct 6, 2010 8:20 PM CST
Moderator
Name: Zuzu
Northern California (Zone 9a)
Region: Ukraine Charter ATP Member Region: California Cat Lover Roses Clematis
Irises Celebrating Gardening: 2015 Plant Identifier Garden Sages Plant Database Moderator Garden Ideas: Master Level
Lilacs need cold weather to survive. Sue will be able to grow lilacs now that she's moving near me, but she couldn't grow them in San Jose.

I was talking about tropical Hibiscus, Toni. The ones with the big round blossoms are hardy anywhere and so is a Rose of Sharon. They grow into huge trees here.

I gave up on Brugmansias. They're too big to trundle back and forth. I also gave up on the Hibiscus because I had all of those feral kittens this winter and they kept mistaking the plant containers for litter boxes. I planted all of the Hibiscus in the ground, so they're annuals this year.

The only things that are still in containers and will come inside for the winter are the Clivias, Mandevillas, and a few of my favorite Pelargoniums. Everything else is too big to move or to keep in a container.

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