Sunflower - Knowledgebase Question

Huntsville, AL (Zone 7B)
Question by mjroth
August 6, 2008
My recently purchased sunflower plant was re-potted into a container. The leaves are still primarily green but the flowers are dying. Does a sunflower plant need to dry between waterings or should the soil be kept moist? Also, should the plant be dead-headed? What else should I do to help this plant thrive?


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Answer from NGA
August 6, 2008

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Sunflowers are annuals which means they will flower, set seeds and then die. If you cut off the faded flowers before they set seeds, the plant will produce more flowers. So, cut off the spent flowers and your plant will probably make more flowers. Sunflowers like to be deeply watered and then allowed to dry out slightly before being watered again. So, water deeply, then allow the top inch of soil to dry out before watering again. Make sure it gets plenty of sunshine and your sunflower should grow and bloom until first frost. Enjoy!

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