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Pittsburgh, PA (Zone 5b)
Jun 3, 2018 11:52 AM CST
This is year 2 with my sevillana roses, and the hard/long winter + improper pruning really cut them down. My goal is to grow a bit of a wall with four planted next to each other. Right now, I've got 2-3 stems on each. Any tips for sevillana/shrub rose growers for making them as big and full and possible each summer?
eg: I thought that one didn't prune down sevillana roses like one does with other types of roses, but I left these mostly unpruned all winter, and it didn't help the rose at all. I'm thinking it needs to pruned down each fall like my other rose bushes.
I am giving it Bayer all in one rose care granules every 6 weeks, but I just started this week. At the beginning of the growing season, I gave them rose fertilizer. The rose slugs, caterpillars and other pests have really been going at em though my other rose bushes (Strike it Rich Grandiflora though it mostly just looks like a yellow rose with no peach/pink tones) are pest free.
Jun 4, 2018 7:20 AM CST
|I've grown Sevillana as a "hedge" like you are trying to achieve. It's a "tough as nails" rose in my climate and a very vigorous grower, and I've seen them pruned severely in the winter with no ill effects. They use them a lot here in industrial plantings and in places where less fragile roses might not thrive.
Your winter climate is vastly different from mine so I can't help much as far as what you should or shouldn't do as far as pruning yours in winter.
Since you say you have 2 to 3 stems on each, I would follow your feeding schedule and try to control the rose slugs, etc. as you have been.
Hopefully, someone from the East coast will respond with more helpful info for you.
Have you tried asking at the nursery where you bought them ?
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