Bush green beans leaves changing color

Asked July 21, 2019, 11:52 AM EDT

Hello...for the last few weeks I have observed the leaves of my bush green beans turning a mottled greenish-yellow. The plants are producing fruit, but the beans are tough. Any help identifying the problem is greatly appreciated!

Oakland County Michigan gardening vegetable gardening

1 Response

This appears to be a nutrient issue. Iron and magnesium deficiencies can cause interveinal chlorosis. Iron chlorosis is highly suspect. If you have clay soils, compacted soil, excessively wet soil, soil, or high pH this could be the problem. High phosphorous can also inhibit iron uptake. Make sure the soil drains well, adding organic material to the soil can solve some of these problems. A soil test (https://homesoiltest.msu.edu/) is probably in order.
I hope this helps,