Sunflower Plants

Sunflower Not Blooming

Marthab added on August 1, 2012 | Answered

My giant sunflowers are huge and healthy but haven't flowered yet. What's wrong?

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Certified GKH Gardening Expert
Answered on August 2, 2012

Your soil may be lacking phosphorus. Use a higher phosphorous fertilizer or add some bone meal to the soil around your plants.

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