Which vegetables can be planted in late summer?
Several vegetables can be planted in late summer for a fall crop. For a fall crop, plant beets, carrots, Swiss chard, kohlrabi, and kale in early to mid-August, plant leaf lettuce and spinach in late August to early September, and plant radishes from mid- to late September.
Because of hot, dry soil conditions, seed germination in late summer is often rather poor. To promote seed germination, plant fall vegetables when the soil is moist after a rain, sow the seeds slightly deeper than spring plantings, and lightly water the row after the seeds have been sown.
Lettuce seeds are sensitive to extreme heat. To achieve good lettuce seed germination, check the weather forecast and sow the seeds when a prolonged period of mild weather is predicted.