Native to North America, Black-Eyed Susan plants are prolific wildflowers that have become popular in the home flower garden. They are bush habit plants, separate and distinct from Black-Eyed Susan Vines. Also called Gloriosa Daisy, flower colors include yellow, orange, and gold colors. Growing Black-Eyed Susan Flowers is very easy, requiring little attention to produce plentiful and colorful blooms.
Almost everyone knows this American wildflower. It has a lovely, warm color, daisy shape, easy to grow in any sunny place. established plants need little attention.
Black-Eyed Susans are great cut for bouquets or vases.
Other Names / Notable Varieties: Brown-Eyed Susan, Gloriosa Daisy
Plant Height: 24″ to 36″.
Flowers Bloom: Summer through Fall
Grow Black-Eyed Susan in masses in flower gardens,or broadcast spread seeds as wildflower
Perennial, Rudbeckia Hirta
These plants are grown from seed. If started early in the spring, you may get blooms the first year. The seeds can be directly seeded into your flower garden as soon as the soil can be worked in the spring or later in the summer or fall for flowers next year.
You can also start plants indoors, 6-8 weeks before the last frost date for your area.
Important: Black-Eyed Susan seeds need light to germinate. Plant very shallow.
The plants grow 2-3 feet tall. Flowers bloom atop long stems. If grown in flower gardens, space 1 to 1/12 feet apart.
Days to Germinate: 10 – 15
Plants can also be propagated, division. Dig up plants, separate them into clumps, and re-plant the clumps.
These perennials are very easy to grow. The plants like full sun. They will do well in average soils and even poor soils. They also tolerate dry soil conditions. While you do not need to water or fertilize Black-Eyed Susan plants, a little extra love and care will be rewarded with more blooms.
Keep plants well weeded when young. Established will grow in thick clumps, and usually will not need weeding. The plants will tolerate a little crowding and look their best in groups.
Once your plants are established, they will grow well unattended for many years.
Separate the clumps after a few years, or the plants will crowd each other out, resulting in smaller plants and flowers.
Garden Tip: Deadhead spent blooms, to prolong the blooming period.
Ideal Soil pH: 6.0 – 7.7.
Plant Problems – causes and cures
Black-Eyed Susan is resistant to insects and disease. If insect or disease problems occur, treat early with organic or chemical insect repellents and fungicide.