Your Seasonal Planting Guide August to September Want a thriving garden as summer fades into fall? This Planting Calendar will help you know exactly what to plant and when for maximum harvest! Early August From Seed: Beans Beets Carrots Transplant: Broccoli Cabbage Cauliflower Mid to Late August From Seed: Kale Turnips Spinach Transplant: Brussels Sprouts Kale Chard Early September From Seed: Lettuce Arugula Cilantro Transplant: Broccoli Kale Cauliflower Tip: Start seeds indoors if your area is still too hot, then transplant once temperatures cool for stronger, healthier plants