Any Cornus Controversa (Giant Dogwood) experience?
Toronado3800 Zone 6 St Louis
14 years ago
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Toronado3800 Zone 6 St Louis
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Looking for following Cornus species (Dogwood)
Comments (2)I have a few Kousa- Chinese Flowering Dogwood seeds... don't know much about them, I've not started growing them yet. I'd be happy to trade them... do you have anything to offer aside from what's on your trade list? I don't think I'll be doing more trees any time soon. Email me, if you don't have anything else to offer, we'll work out postage. Kathy...See MoreUh oh, any ID on wilt disease on Cornus Controversa
Comments (13)IMHO, has nothing to do with Verticellium from what I see. Just doesn't look like the pattern. The leaf spots are likely due to wet weather IMHO, giving something an advantage over the tree. Leaves are rarely perfect this time of year, so unless it gets allot worse, I would not worry about the spots at this point. While I don't know if jean has the right pathogen (would require more extensive testing(, I do think they have the right ideal. Namely that it is something that got into a small wound etc. Your pictures seem to chow that it is working top downward. As for what to do about it, as indicated before, it looks like your doing exactly what needs to be done. That is pruning out to well below the affected area, with proper disposal of pruned material (i.e. burned or in the trash, but not in compost). As for the mulch, it probable has nothing to do with it. However I will say this about cypress mulch. From what I have been told, in many cases this mulch is obtained by removing entire tree from the swamp ecosystem for no other purpose than to make mulch. At this point the ecosystem is often so disturbed that seedling cypress do not survive. It is for this reason I don't use cypress mulch any longer. Arktrees...See MoreWhere to plant Cornus controversa 'Variegata'???
Comments (3)Mine had never formed a lead either, looks finally like it might be petering out after many years. Multiple others in this area I have seen grow like weeds. Jacobson, Trees of Seattle - Second Edition (2006) mentions one 14' tall near 12th Ave S and S Hanford St. Going over to West Seattle an east-facing hillside property with a landmark Eucalyptus also has one of the dogwood, which I have seen rapidly progress into what may be taller than 14' by now. Both trees are visible from the freeway, as the West Seattle end is approached from the east. I have never parked and attempted to view the garden from the street. The dogwood looks to be on a side of the house facing away from public view....See MoreCornus controversa? Not 100% sure
Comments (4)Hard to believe Forestfarm would send me 5 lilacs when I ordered giant dogwoods -- pretty serious boo-boo (but there are similarities in the leaves). We'll see, but I'm beginning to agree -- mine definitely have opposite leaves. Anywho, sam, that's not good news either -- my pagodas are indeed suffering from anthracnose & many stems/branches are dying & turning yellow. And the native red-stem dogwoods along my border stream last couple years get completely defoliated from dogwood budworm attacks. Jeesh........See Morejqpublic
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