Cattail Seeds 10, 000+ Seeds. Cattails contain roughly 24, 000 seeds You will be receiving half of an entire head Oregon USA grown For best growing results: FULL WATER FULL SUN May take up to 6 months to germinate You will need to plant your seeds in early fall. Plant your seeds about to inch deep into the cleared soil area. Your cattail seeds will begin coming up in early summer. You will need to keep the grass & weeds out of the area where you have planted your cattail seeds. Cattail Seeds 10, 000+ Typha Latifolia Free Shipping Usa Oregon Grown