Organic/Natural Fertilizer
Twin City Seed offers organic and organic-based fertilizers from Sustane.
Soil ReGen® 1-1-1 Structural Soil Conditioner - 50 lb. bag
4-6-4 Organic Planet Starter and Soil Builder - 50 lb. bag
8-2-4 Natural Organic Soil Builder - 50 lb. bag
10-2-10+Fe Natural Based Slow Release Nitrogen - 50 lb. bag
18-1-8+Fe Natural Based Professional Fertilizer - 50 lb. bag