How to Grow Peppers and Chilis: Seed to Harvest ~ Homestead and Chill In Utah, there are two times a year when overseeding is most successful: spring and late summer fall. Late summer fall is best because the seedlings can establish adequate root systems for the following Purple Coneflower Seeds 1 4 oz National Plant Network Snow White Lily Summer Snow LA Hybrid Bulb Plants, 5 pc. at Tractor Supply Co