This is my first year growing acorn squash. Most are a dark green but they are really small. The ones I am letting grow larger are turning yellow. What to do?
Acorn Squash Turning Yellow
Certified GKH Gardening Expert
The side of the squash that touches the ground can be yellow, this is common.
If the entire squash is soft and yellowing, they are likely overripe.
The fruit may be staying small due to a few reasons. Environmental conditions, length of time the plants have been in the ground, the type of seed you are growing, all can effect the size of the fruit on the plant.
Here is a great article that helps you determine when to harvest.