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'John Davis' rose Reviews & Comments
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Triploid? I wonder if Red Dawn is triploid, then?
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Initial post
3 JUL 11 by
 Chris
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does triploid mean it can't be started from cuttings? if this is the case, it isn't triploid! i did it! chris
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Reply
#1 of 1 posted
3 JUL 11 by
jedmar
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No, triploid means it has 21 chromosomes, which makes it difficult to cross successfully.
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Initial post
25 FEB 04 by
Unregistered Guest
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I planted 3 of these this Spring. I was utterly amazed to find that they only get 2 1/2 hours of direct sunlight a day. Any chance that I will not have to transplant them?
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Roses will survive with 2 1/2 hours of sun, but they will not grow well. In time they will become frail and then disease will set in. Any rose needs a minimum of 6 hours of full sunshine on it to survive and be healthy.
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I don't know where Old Rosarian is located, but I suspect s/he resides in a northerly section of the country. In my zone 8b conditions, roses can (and do) thrive on fewer than six hours of direct sunlight. Sunlight here is intense and roses in partially shaded areas receive a substantial degree of indirect light. A significant number of my roses actually seem to prefer fewer than the commonly prescribed minimum of 6 hours of direct sun. As always, it's a matter of trial and error when it comes to growing roses.
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My question - is there such a thing as too much sun? I have moved from Seattle to Mississippi. In the former city there was never a question of too much sun - summer doesn't really start till after the 4th of July.
Growing roses in the South is a different matter - the first bloom (end of April) was textbook perfection. The second bloom which is going on now, in late May has been more problematic. I can't be sure if I am over or under watering . The buds on Aromatherapy are not opening but dying in bud form. What is this a sign of? Thanks in advance to any rose experts!
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Hi Bonney..........
Yes, there is a thing as "too much sun" for some roses. Roses with thin petal substance, often cannot handle direct sunlight for the same number of hours as roses with thicker petal substance. That said, there is always a rose that will make a liar out of me. It depends on the rose.
There are roses that will thrive in the northern coastal areas of the US, that just don't seem to do well in the same conditions as those found in the lower latitudes and more inland. You have to find the roses that are suited to your climate and your gardening style, to find roses that will thrive in your garden conditions. (I agree, it is always about trial and error. I consider every rose an experiment.)
Not all roses will do well in every climate or location. The 6 hours of sunlight is a general rule, and a pretty good one at that, but it does not take into consideration the intensity of that sunlight. It makes a difference.
According to the patent, 'Aromatherapy' has "thick" petals, which implies that it should have sufficient petal substance to handle a lot of sunlight and heat.
As far as the buds dying in bud form, that can be caused by many things other than over or underwatering. Those symptoms usually show up in the leaves. There are so many variables ! It could be insect damage or soil nutrient problems.
You might want to check out Baldo Villegas's website, it's a great resource:
http://buggyrose.tripod.com/
Smiles,
Lyn
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Thanks for your detailed reply, Lyn! The information about petal thickness was particularily helpful. The odd thing is, even with all the humidity, all my roses are totally disease free. In Seattle it was a constant battle against mildew and blackspot, so this is another advantage of the full sun.
Thanks again for taking the time to write.
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Good news bad news about this rose:
Very winter hardy in zone 5. Can be grown as a climber or self-supporting large shrub. In full bloom the bush is covered, even hiding he leaves. Excellent second repeat after the first flush, but not much in Fall. No fragrance to my nose. I have found after several years the bushes decline with few basals and some fungus (not BS, but some other leaf spot). I would cut it back to the ground and it would rejuvenate. Perhaps this rose needs older wood removed every year. Truly a traffic-stopper when grown well.
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