Zone 3 growers typically don't have too many options to plant in September. With your first frost right around the corner theres not much hardy enough to withstand the cold weather thats coming. That being said, September is the perfect time to plant garlic and cover crops in your garden. Planting garlic in September will give it an early start come spring. Cover crops are good for naturally adding back nutrients to your garden. Below is a list of items that can be planted in zone 3 in September.
The Black Crowder cowpea is a high yielding variety of long pods. The cowpeas themselves have a deep purple color when first shelled which then turn black when dried. The Black Crowder's green pods are easy to shell. Try with cowpea inoculant for maximum Nitrogen fixation.
