roses that don't produce blooms - Knowledgebase Question

Forest Hill, Ma
Avatar for taylorose
Question by taylorose
July 11, 2010
My daughter is trying to grow a rose garden but this year they are not producing blooms and a few that have are not full. What causes this and how can this be prevented?

Answer from NGA
July 11, 2010
Lack of sufficent sunlight can cause poor flowering; a need for fertilizer can also cause sparse flowering; insect or disease problems can stop flower buds from completely opening. To complicate matters, if all the roses are acting the same way, it might be environmental rather than cultural in nature. Unseasonably hot, cold, rainy or dry weather can also affect the ability of a rose to bloom. Carefull inspect the roses and rose buds for signs of thrips and other insects; look for fungal spores or webbing on the buds and stems; look for spots on the leaves, buds and stems. Hope you can determine just what is going on with your roses!

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