2025 Planting Calendar Zone 8a. Some extra plants to grow in this warmer zone include: As spring is coming to an end and summer is slowly making an appearance, it’s the perfect time to harvest lettuce, spinach, radishes, or snap peas when the pods are plump and before.

Typically falls between march 1st. With usda hardiness zone 8a’s mild winters and warm summers, you can grow a diverse range of.