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Roses won't bloom to fruition

Carlsbad, CA

They start out looking great, get a nice head on them and then refuse to bloom. Been treating them for thrips for a while but the guy at Armstrongs said to cut them back and start over.



Long Beach, CA(Zone 10a)

Need more info. and/or pictures if possible.
Are they getting at least 6 hours of full sun every day ? What (if anything) are you feeding them ?

Hurst, TX(Zone 7b)

He probably suspects that they have been all affected and figures it is best to just start over. Thrips like lighter colored blooms over those with deeper hues.

Some of the instructions for getting rid of thrips that I have read say to prune and destroy infested plant parts to get rid of the thrips and also to get rid of dead or dying tissue. You can try releasing beneficial insects or prune & apply chemical insecticides before they get back into the new flower buds. Some people use sticky traps to detect them.

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