Sunflower Plants
Q.

sunflower problems

Zone zone 4 | tbeaupre added on July 25, 2015 | Answered

First time growing sunflowers. Planted along fence line. The petals are falling off and have yellow blotches on leaves all over. Looks like they are dying. The stalks are leaning away from fence and with the heads getting heavier plants are falling over.

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    Downtoearthdigs
    Certified GKH Gardening Expert
    Answered on July 27, 2015

    This is likely a Mosaic Virus.
    This is a good picture representation of the leaf pattern with this disease.
    Here are some links for you.
    Practice of crop rotation and good watering practices are helpful in preventing this problem.
    Though there is little to be done when plants become infected, I would still treat with Neem OIl.

    https://www.gardeningknowhow.com/edible/vegetables/cucumber/cucumber-mosaic-virus.htm
    https://www.gardeningknowhow.com/plant-problems/disease/bacterial-leaf-spot.htm
    https://www.gardeningknowhow.com/ornamental/flowers/sunflower/sunflower-problems.htm
    https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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