The Q&A Archives: Ivy Geraniums Not Blooming

Question: I bought Summer Shower Series of ivy geraniums seeds this winter and planted them in February under my grow lights. Seven of the 10 seeds took off and the plants were my pride and joy. I had visions of these hanging flowers like I saw in Europe last summer. The plants are doing well but they have not produced one bloom. I have fertilized now with Miracle grow 3 times. I have noticed that what looks to be a bud is a brownish, fuzzy looking seed that is shriveled up. Do you have any ideas what is going on here? These plants are in my east facing window boxes and get at least 6 hours of full morning sun.

Answer: Too much nitrogen fertilize can cause plants to grow lush leaves, but at the expense of bloom. Fertilizing a few times with Miracle-gro doesn't sound like too much, though. You may wish to switch to a bloom-promoting plant food to see if that makes a difference. If the weather has been excessively hot and humid, as it has been in many areas of the country this summer, it may have discouraged blossom formation, too. Other cultural tips for promoting bloom in containers is to let the plants get a bit potbound, and allow the soil to dry out slightly between waterings. I hope this helps!

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