Thanksgiving Harvest by Caribou Seed Company Can you sow vegetable seeds in the summer? The answer is YES! The Thanksgiving Harvest can be sowed between July & October 1st in most parts of Canada & the USA. Harvests will be ready in the fall or early winter. All seed is organic & GMO free. Each kit will include 14 seed packets: Beet | 30-40 seeds Broccoli | 60-70 seeds Brussel Sprouts | 50-60 seeds Carrot | 50 seeds Cauliflower | 60-70 seeds Leek | 40-50 seeds Kale | 50-60 seeds Mesclun Mix | 50-60 seeds Spanish Onion | 40-50 seeds Red Onion | 40-50 seeds Radish | 40-50 seeds Spinach | 40-50 seeds Swiss Chard | 40-50 seeds50 Turnip | 40-50 seeds Save 25% | Thanksgiving Harvest Seed Kit Summer Sowing 14 Vegetable Packets Beet, Carrot, Brussel Sprouts, Kale, Swiss Chard & More