Transplanting roses in 8a (Portland Oregon)

Kippy(SoCal zone 10. Sunset Zone 24)August 19, 2012

My cousin, with a brown thumb, just asked when she can move some roses that are by a deck. Guessing they have been there a while.

She is in Portland Oregon, Zone 8a, but on the gorge side and gets a lot of cold winter wind.


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Campanula UK Z8

Got to be safest when the roses hit winter dormancy (they do, don't they, in Portland?) which for us, in zone 8 UK, is uaually around mid November. Don't think our zones correspond to your zones but, given any kind of choice, I would always plump for a move in dormancy - however, they are fearless on this forum, and will move them in midsummer heatwaves - there is always loads of advice - how old is the rose and how long can she hang around?

    Bookmark   August 19, 2012 at 2:19PM
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Kippy(SoCal zone 10. Sunset Zone 24)

I will check with my cousin on the ages, I know she can get some snow or freezes. And it is hot hot hot right now.

Thanks Camp

    Bookmark   August 19, 2012 at 10:06PM
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Campanula UK Z8

well, there is an argument for getting it done as soon as possible. The warm and hospitable soil will encourage a rose to grow away, making new roots easily. If a large enough rootball can be dug out of the ground, it can be moved now. As always, there are a lot of buts.....If the rose is a bit tricky to get to, it might be much harder to lift a massive clod of rootball at the same time. The roots must be as undisturbed as possible so make sure the soil has been well watered during the previous 24 hours - this will help to keep the rootball together. Once manouevered out of the ground onto a tarp, it must be transplanted as soon as possible - make sure the new hole is already dug and ready. If you can get hold of mycchorhizal granules such as Rootgrow, this is exactly the scenario for which they were devised. Shake granules around the planting hole and on any exposed roots (the granules must be in direct contact with roots in order to establish a symbiotic relationship). Cut back as much top growth as feels reasonable (a third, even up to half, depending on what sort of rose it is) and water, water, water.
So Kippy, get as much info from your cuz, then the helpful forum folk will be happy to suggest away.

    Bookmark   August 20, 2012 at 2:27PM
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seil zone 6b MI

I think it depends on how much time there is left before she gets her first hard frost. If it's not until late fall (like at least mid November) she may be able to move them now. But I mean NOW! They need enough time to settle in and start to grow before they go dormant. Otherwise I'd wait until early spring when they begin to wake up and move them then.

My first frost date is supposed to be around Halloween but lately it's been closer to Thanksgiving. Even so I'm very hesitant about moving roses in the fall. Anything I've planted late hasn't made it through the winter for me.

    Bookmark   August 21, 2012 at 3:18PM
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Just jumping in on this thread with another PNW rose question. I live down south and am looking for information on getting roses going. I found this article on how to grow roses but am curious to know if others might have other suggestions on where to grab some of this information?

Thanks so much!

    Bookmark   February 14, 2013 at 12:08AM
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meredith_e Z7b, Piedmont of NC, 1000' elevation

jmmcd3, you should get Paul Zimmerman's new book! See this thread:

I haven't read his book yet (oh, I'll get it!), but I've been to events at his old nursery, and he knows his roses. His advice would also be US advice, which is important because a lot of times the British advice isn't as right for our weather and diseases, etc.

Good luck!

As for the OP, I just like it to be cool. I've moved roses in the heat, but that was because I was moving. I don't worry about them at all as long as it's cool enough and I can water them frequently as they get settled into their new spot. If it's hot, it takes more watering and there still can be too much stress. Most still make it, but cooler weather is better.

I don't have to worry about winter kill, so that would matter if it applies. I wouldn't risk winter stress with a tender variety. In both cases, just think of the growing weather that causes the least stress on the rose and try to do it then if possible, imho.

    Bookmark   February 16, 2013 at 10:26PM
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