![]() It’s best if soil is fertile (not poor), though they can tolerate tough conditions.Set seeds and plants close to deter spreading, or farther apart for a border and to prevent the spread of disease.In most parts of North America, the ideal planting period is March to May.Indoors, sow seeds 8 to 10 weeks before the last frost.If direct-seeding, plant in moist, well-draining, warm (70º to 75✯) soil. ![]() Black-eyed Susan prefers rich, well-draining soil, although plants will tolerate low fertility. It tolerates partial sun, but it will not bloom as reliably. Some newer varieties are resistant to these diseases.īlack-eyed Susan thrives in full sunshine. Some Black-eyed Susans are susceptible to leaf diseases. As they drink the nectar, they move pollen from one plant to another, causing it to grow seeds that can move about easily with the wind. Note that they can be territorial in that they tend to squash out other flowers growing near them. They are outstanding cut flowers that also do well in borders or containers.īutterflies, bees, and other insects are attracted to the flowers for the nectar. The plants can grow to over 3 feet tall, with leaves of 6 inches, stalks over 8 inches long, and flowers with a diameter of 2 to 3 inches. The “black eye” is named for the dark, brown-purple centers of its daisy-like flower head. About Black-eyed Susansīlack-eyed Susans have become naturalized in Zones 3 to 9. And while some species of Black-eyed Susans have additional names-such as daisies-they all belong to the Rudbeckia genus. Also called Rudbeckias, this daisy-like flower blooms from June to September, often blanketing open fields with their golden-yellow beauty, surprising the passerby. Black-eyed Susans are native to North America and one of the most popular wildflowers grown.
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