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Overwintering Buddleia in Zone 5
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Posted by northerner_on Z5A ONCanada (My Page) on Fri, Oct 23, 09 at 5:29
I have been fortunate enough to raise a few healthy Buddleia bushes in my garden. I winter sowed them, put them in the ground last fall mulched with dry leaves and they produced beautifully this summer. Now it's time to get them through this winter and I was told on the mother forum that I should not cut them back (which I what I would normally do with a bush like that). I was told by a horticultural student that I should wrap them, but they are over 7 feet tall! I have protoected them so far by making a chicken wire circle around them, about 18 inches high, and filling it with leaves. Will this be enough? Does anyone in Zone 5 have any advice to offer? How do you overwinter your Buddleia?
Northerner. |
Follow-Up Postings:
RE: Overwintering Buddleia in Zone 5
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| I don't do anything special to overwinter mine in zone 5b. Some mulch probably wouldn't hurt if you've got the time to do it. |
RE: Overwintering Buddleia in Zone 5
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- Posted by marric Z5a Ontario (My Page) on
Sun, Oct 25, 09 at 8:40
| I used to have a buddleia when we lived in the city. I never did anything to it and it survived each winter just fine. Since we bought our farm, I have tried several times to grow buddleia but it never survived the winter, we're in zone 5A but the big difference is that this site is more windy and colder than the subddivision. My last attempt to save them was 2 years ago. I mulched and caged it but it didn't help. Since we have built the house, we now have a sheltered spot where I will try again to overwinter one. Marg |
RE: Overwintering Buddleia in Zone 5
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| Marric, did you grow the species of buddleia at your farm or was it a cultivar? I'm wondering if the species (I grew mine from seed) is any hardier than the cultivars. I have read that some cultivars are hardier than others. If I'm buying plants I try to purchase the hardier ones. Even so, they might live for several years and then not survive a particularly difficult winter. |
RE: Overwintering Buddleia in Zone 5
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| Ontnative, I grew my plants from seed and identified tham as Nanho Blue. Do you know that hardiness of these plants? |
RE: Overwintering Buddleia in Zone 5
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- Posted by marric Z5a Ontario (My Page) on
Wed, Oct 28, 09 at 8:50
| ontnative - I grew the buddleia davidii seeds that I bought from Veseys. I had this one also when we lived in the city and it lived for about 8 years, still there when we left. Here the site is open, windy and a lot colder. I think it's the winds that do it in. We now have our house up so there is now a sheltered location where I can plant a new one. I've already tried here several times but now that I have a better spot for it, hopefully it will survive. Try, try again! |
RE: Overwintering Buddleia in Zone 5
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| I had thought I read somewhere that Nanho Blue was one of the less hardy ones, but I looked on Google now and couldn't find anything to substantiate that. Most buddleias are listed as being root hardy to USDA z.5, which is roughly equivalent to Can.z.6. I think "marric" might be correct in thinking that the winter winds are detrimental to them. I planted two 'Potter's Purples' a few years ago, one in my boulevard and one next to the house, on the southeast side. The one in the blvd. died the first winter, while the other one is still growing well. I currently have plants of 'White Profusion', 'Guinevere', 'Lochinch' (?) and of course 'Potter's Purple'. They are all in my back garden, some of them on a hilly slope which is exposed to winter winds somewhat. So far they keep re-sprouting in the late spring, after I think they must be dead. |
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