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'Alnwick Castle' rose Reviews & Comments
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Initial post
28 NOV 23 by
theflowerlady
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Available from - Garden Roses LLC
gardenrosesllc.com
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#1 of 1 posted
13 OCT by
GardenGlimpses
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I wouldn’t count on that!
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Initial post
15 OCT 23 by
 ParisRoseLady
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Available from - Garden Roses LLC
www.gardenrosesllc.com
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Initial post
23 JUN 22 by
sandsock (PNW 8a)
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Alnwick has not been patented in the US as of 2022. It is trademarked. It grows quite nicely own root wet PNW.
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Initial post
11 MAY 15 by
Anita silicon valley
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My rose planted within the last six months seems to ball and not open in warm weather especially if not given lots of water. We are supposed to be thoughtful about conserving water here in drought conditions and it is interesting to see which roses are more adaptable to difficult conditions and which aren't. Other David Austin roses i have are doing OK.
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#1 of 3 posted
30 APR 17 by
StrawChicago heavy clay zone 5
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Alnwick is a deep-cup rose. Sulfate of potash NPK 0-0-50 might help it to open better. When I give my roses potassium, that initiated more blooms and the blooms open fast. Crown Princess Magareta used to be stingy on me, until I gave it sulfate of potash, zero balling after that. The deep-cup roses with zillion of petals have a higher need for potassium to force the petals open. Potassium is often deficient in drought conditions, it helps with water osmosis.
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#2 of 3 posted
4 DEC 19 by
HappyRose
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How do u feed the rose the sulfate of potash? Spray? granular feed?
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#3 of 3 posted
5 DEC 19 by
Patricia Routley
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Water the rose first and then perhaps a tablespoon of Sulphate of Potash powder per rose, sprinkled well out and away from the stem. Then water it in.
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