Grow Zones: 3,4,5,6,7,8,9 germination date 1/5/2024 Black eyed Susan Rudbeckia Hirta flowers are fast-growing summertime blooming coneflowers that grow 1-2 ft tall and resemble yellow daisies. They are actually from the sunflower family and boast a long lifespan as long as they are properly cared for. Likewise they are found often in borders and community entrances that wish for a low landscaping budget with a big welcoming presence. Get yours at a great value today! Germination instructions: Sow in the winter or cold stratify seeds for 1 month to simulate winter conditions (To cold stratify: Place seeds in moist paper towel, place paper towel in ziploc bag, place bag contents into the freezer). Black eyed Susan Rudbeckia naturally have a lower germination rate however cold stratifying the seeds will increase the germination numbers. Once cold stratified, place seeds on soil surface by gently pressing them into the soil as they require sunlight to germinate. Keep seeds and soil moist during the germination phase.