Organic Fertilizer

Twin City Seed offers organic and organic-based fertilizers from Sustane.

​4-6-4 (All Organic Starter Medium)50# bag
8-2-4 (All Organic Medium 90% SRN)50# bag
10-2-10 (+ Fe Fine 80% SRN)50# bag
18-1-8 (+ Fe Medium 85% SRN)50# bag