Mexican Sunflower Plants

Mexican Sunflower – Dying Leaves

joycelenhardt added on September 25, 2012 | Answered

We have several giant Mexican sunflowers. Leaves are constantly dying, which makes the bushes much less attractive. Do they need to be sprayed with something to counteract this? Thank you!

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Certified GKH Gardening Expert
Answered on October 10, 2012

It may have a fungus. This could cause the leaves to brown and die. You can spray the shrub with a fungicide to treat this possibility.

It may also be getting too much water. It is a plant that likes it drier than wetter. If the soil is not drying out enough between watering, this can also cause brown leaves.

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