HELP! Eden climbers doing poorly

rscacheri(z7 DE)May 13, 2012

I have had these for 6 years and every May they bloom spectacularly, until now. I have 4 plants wound around two eight foot tuteurs. They are watered regularly and fertilized 1-2x/yr. I prune the vertical branches back in March. This year many of the big (2-3 cm diameter)canes are dead. There is a small amount of new growth on the smaller canes, and minimal new flowers. My care for the roses has not changed. It was a mild winter, and last year's black spot was average. Are my roses just getting old? Should they be cut back all the way to 8 inches next spring? Thanks for any help. Other than a lack of scent, these are my favorite roses in my garden.

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I do find that Eden has to be cut back to stimulate growth. I am often frustrated by Eden's tendency to brown and ball.

    Bookmark   May 13, 2012 at 9:34PM
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rscacheri(z7 DE)

Should I cut the whole plant back to about 9 inches and "start over." The other thing it has been doing past 2 years is parts of the plants develop a zillion little branches all in a 12 inch area with lots of tiny leaves - it almost looks hairy. I don't know what this is called and what it means.

    Bookmark   May 14, 2012 at 6:34AM
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michaelg(7a NC Mts)

The "hairy" look can be caused by RoundUp. You may see overdeveloped stipules, which are the little flanges at the base of the leaf stem. These overgrow to produce the appearance of a curved, straplike stem, while the actual leaflets remain narrow and underdeveloped. It only takes a droplet of spray to produce symptoms in roses.

The other possibility is Rose Rosette disease, which earlier (1-2 years ago) would have produced weird excessive growth, maybe with oversized wrinkled purple leaves and excessive rubbery thorns. Roses dying of an old RRD infection can have stunted growth. But my guess is RoundUp.

    Bookmark   May 14, 2012 at 8:46AM
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anntn6b(z6b TN)

Do the blooms look normal for Eden?

    Bookmark   May 14, 2012 at 1:09PM
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