Most desert wildflowers are planted in fall/winter in the desert, early
spring in cooler climates. Planting instructions are included on the
packets of these lovely native Southwestern desert wildflowers. Most varieties come in two sizes. The small size is 1-1.5 g and covers approximately 30 square feet. The large size is 0.5 oz and covers 100-200 square feet depending upon the size of the seed.