I recently planted some crook neck squash next to my house. I have a concrete foundation. My squash plants are large and full of blooms. However, my tiny squash are falling off. I read several articles and found that maybe my flowers did not polinate and I may have to do this by hand. That's no problem, but does being planted near the concrete pose a problem with alkaline? If so, what can I do?
Growing Crook Neck Squash
Certified GKH Gardening Expert
It should not cause a problem, especially if it is an established (i.e. more than 1-2 years old) foundation. The issue is far more likely a pollination issue.
While you can hand pollinate, you may want to invest time in creating a pollinator garden so that you don't have to put in the extra effort of hand pollinating. This article will help: