Pacific Northwest Wildflower Seed Mix - Annuals and Perennials Pacific Northwest Seed Mix has 25 Varieties Designed Specifically for this Region Grows in all zones. 60% Annuals and 40% Perennials - .3 Ounces Sow on Bare Ground. If Possible, Plant Before Rainy Season or Water Until Germination. Non GMO and Neonicotinoid Seed Marde Ross & Company has been a Licensed California Nursery Since 1985,