Blackeyed Susans - Knowledgebase Question

myerstown, Pe
Question by mariconners
June 15, 2009
Two years ago I planted six blackeyed susan plants east end of house, getting sun through other city homes and shrubs. The foliage comes out beautifully but they do not bloom. How can I encourage blooms?


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Answer from NGA
June 15, 2009

0

Rudbeckia flowers most freely in full sun (minimum 8 hours) but will grow well and bloom sparsely in at least 4 hours of direct sun. The only other cause for non blooming is too much nitrogen fertilizer. If your plants are not getting at least 4 hours of direct sunshine, that would account for no flowers. They are such beautiful plants that I would consider moving them to a sunnier spot so you can enjoy and appreciate their cheerful flowers.

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