HELPMEFIND PLANTS COMMERCIAL NON-COMMERCIAL RESOURCES EVENTS PEOPLE RATINGS
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I have two Porcelain Rose (I'd have more if I could find them!). They are my mom's favorite rose out of almost 200 varieties I grow. She thinks they're "darling". They have always been completely disease free here, but this year, one of the two is suffering from some blackspot. They are side by side, so I don't know what makes for the difference. But I'm hoping it's just a vagary of the weird up and down temps and the wet Spring we had. April and May had highs ranging from the 50's to the 90's, with monsoon-like rains. Hopefully the sick one will be encouraged to take after her healthy sister now that the weather is just HOT and DRY. I just thought it odd that one plant is totally healthy, the other, just two feet distant, is getting to the "sad" stage.
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Well, sometimes things happen. I'd simply remove the affected foliage and clean up anything which has fallen to the ground, then give them a good water and feeding. You know how air circulation and humidity can vary, even side by side. Obviously something is different, whether it's under ground or in the air. Once the conditions change, it should straighten out, hopefully. Stay well!
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In Z7a, east Tennessee, CD is absolutely disease free, growing in part shade. It has a spectacular Spring flush, with scattered bloom in the summer, and a small autumn flush. I've read comments that the Japanese beetles love it, but mine is generally not blooming much when they are here, so that's actually a bonus. The only pruning I do is to remove dead wood, and tip prune a bit. There is never any winter die back (I can believe the hardiness rating on this one). Generally it's one of the most carefree roses I have. The only drawback is the awkward growth pattern. It seems to grow willy-nilly, as-it-will. But since mine is in a semi-wild part of the garden, I just let it be its charming self.
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Glenn Dale is listed as both a rambler and large flowered climber. Can anyone clarify whether or not it has any repeat bloom? Thanks!
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There are a few references which may help you. Take a look at the 1927, 1930 and 1935 ones.
Otherwise, I am sure a grower of 'Glenn Dale' will be able to help in due course. The problem is remembering to look for any repeat blooms.
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Thanks Patricia, I'll do that. I'm just trying to decide where to plant it. I like to stagger my climbers so that ever other one is a repeat bloomer :)
Tammy
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Reply
#3 of 4 posted
29 MAY 14 by
Hartwood
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Glenn Dale has been in my garden since 2008, and I have never had any repeat on it. It flowers after Climbing American Beauty ... concurrently with Alchymist, Albertine, Alberic Barbier, and Ghislaine de Feligonde ... and before American Pillar, Dr. W. Van Fleet, and Arcata Pink Globe. Hope this helps with your progression of bloom.
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My family has grown GD for at least 75 years, since my mom, when she about 10 (and is now 86), was given a cutting from a neighbor's plant. She stuck it in the ground at the end of the porch of her childhood home, and it proceeded to climb up the post and across the porch roof. It is glorious in full bloom. It was one of the reasons I fell in love with roses. It has always bloomed in time for Mother's Day here in E.TN. When I moved out, I took cuttings with me, and have grown it ever since. But in all the years of my life (62, so far), I've seen exactly three blooms anytime other than the Spring flush: once a single bloom, another time, two at once. In both instances, it was during a prolonged, open Fall season, with cool nights, warm days, and late frost. So, to make a short story long...no, GD is not remontant, but once in a great while you might be blessed with a single out-of-season bloom.
John
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Also available from Jung Seeds, the parent company of Edmund's Roses.
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