Collecting Seed: Sunflowers (Helianthus spp)
The large genus of Helianthus includes bth annualas and perennials but the most commonly grown is an annual, Helianthus annus. The plants are usually tall and bear very large showy…
The large genus of Helianthus includes bth annualas and perennials but the most commonly grown is an annual, Helianthus annus. The plants are usually tall and bear very large showy…
The past 30 years has brought the humble sunflower (Helianthus annus) from a roadside weed to a garden show-stopper. Just open a seed catalog to realize that there are many…