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I planted a single red KO rose in a bed in front of my house around the end of April. It has only bloomed a couple of times and when it did, it was only a couple of shriveled up petals. Now I'm wondering what I'm doing wrong. Perhaps it just needs time to get established. If that's the case, how long should that take?
I'm also not sure if KO rose was a good choice of plant for that particular spot considering the amount of sun it gets. I am in zone 7b, the front of the house faces south, and only gets a few hours of morning sun. The rest of the day, it's shady. Even if KO roses are shade tolerant (or at least I thought they were), how much sun do they need to bloom?
I'm already thinking about replacing it with another kind of flowering shrub. I decided to wait until this fall, and if the KO rose still isn't doing anything, then it will probably be replaced.
BTW, I'm new to all this, in case you haven't noticed :) I obviously don't really know what the heck I'm doing. Help!
All my knockouts bloomed nice but I think the high heat and hot sun we had for a few weeks this spring boiled the blooms and buds. They all turned brown and died.So I cut them all off and am hoping for a new flush of blooms. Should I feed them again to help with new blooms?
My roses are struggling this year also. The late winter ice storms damaged some canes. I had to cut back much more than usual in the spring. Some of the roses had a good first flush, some are still waiting to bloom. Repeat flushes are taking a while. I checked the pH, water, fertilize and hope they recover. My peonies barely bloomed this year, but the bushes are much bigger than last year. My lilies are doing great! I had my first oriental lily bloom yesterday.
We have lots of rabbits this year. They were cute until they started eating my flowers (and leaving the lettuce untouched...arghh). Winston the pug is a pacifist, unlike my beloved late Westie Tiffany, aka "the great white hunter." She was my favorite natural pest control agent, much more effective than coffee grounds. Winston may eventually get a terrier companion. At least my neighbor's semi feral cat likes to sit on my chair watching the bug zapper at night. He also hangs out under one of my rose bushes. Fine with me, he can hunt all the rodents he likes in my garden as long as he leaves the hummingbirds alone.
I put in a KO this year and I have to say I am underwhelmed. I don't see any exceptionality and it certainly isn't outperforming, more disease resistent or vigorous than any of my other roses. I think Carefree Celebration, Julia Child, Cinco de Mayo and many more of my floribundas and shrubs are just as healthy, repeat more quickly and are just as disease resistant.
Mine, which are in whiskey barrel containers, are in full sun most of the day and love it. They had had lots of blooms in the spring and early summer; however, they are just now putting out a new burst of blooms. The blooms are small as they were during high heat last summer. My area in San Antonio has received no appreciable rain since November. We had enough to wash the dust off the cars in March. Does anyone know if I can fertilize my roses in high heat (100s everyday)? I did not fertilize them in February when I pruned them back. I bought some fertilizer supposedly made specifically for 'Knock Out" roses and it is supposed to not burn them; however, I am afraid to fertilize them now. Other roses develop black spot and other diseases here. The "Knock Outs" so far have not and have been the most vigorous roses that I have had.
I grow Carefree Celebration - a knockout relative from Radler the knockout breeder. It is a pretty coral rose. It is in a sunny but difficult garden location. It blooms and reblooms all season, while some of my other roses sulk. I also saw bright pink knockout roses in front of a shopping center. They seem to get no supplemental watering and little care, but they are always in bloom. I am hoping that the popularity of knockout and other landscape/shrub roses will encourage more gardeners to grow roses.