Learn to Grow Kolb Tomato Start Indoors: 6 weeks before last frost Germination: 7-14 Days Plant Outdoors: 24-36 Apart Support: Cage, stake, or trellis Instructions - Sow seeds indoors deep. Tomatoes are sensitive to freezing temperatures, so wait to transplant outdoors until the soil is warm. Plant in full sun. Tomato Kolb Vegetable Seed 15