Why is my yellow squash rotting on the vine when it is halfway to maturity? It is shaded by the corn growing next to it and watered every other day. The summers are hot, always sunny and dry here, (avg. 28 C), so it seems unlikely it could be too much water. Any ideas would be appreciated. Thanks.
Hardiness Zone: 9a
By christine from San Remo, Italy
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The most likely problem is blossom end rot. It can be caused by many different things. Extreme soil moisture fluctuation. Rapid plant growth in spring followed by extended dry weather. Excessive rain that smothers root hairs. Or even excess soil salts. The fix could be to make a soil amendment to have a well drained soil. Also avoid high ammonia fertilizers and large amounts of fresh manure. And if you have salty soil or water provide more water to leach the salts through the soil.
Could you pick the squash up a little so it would not be on the ground?
I am starting to have the same problem with my cucumbers and squash. My questions are, what can you do about soil or drainage at this point, all of the plants are in the dirt and on their way?
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