I have some squash and cucumber plants that the stems are splitting. They are still growing and flowers and small fruit are coming on some of them but can you tell me why they are splitting. I also have them in a raised bed.
Squash and Cucumber Vines Split
Certified GKH Gardening Expert
While stem split is common and usually due to extreme temperatures changes and uneven watering, it never hurts to check for signs of pests, especially since they can penetrate the plant through these splits. Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/vegetables/squash/squash-pests-identifying-and-preventing-squash-vine-borer.htm