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Growing Black Eyed Susan Flowers

Perennial, Rudbeckia Hirta

Native to North America, Black Eyed Susan plants are prolific wildflowers that have become popular in the home flower garden. They are bush habit plant, separate and distinct from Black Eyed Susan Vines. Black Eyed Susans are also called Gloriosa Daisy with yellow, orange, and gold colors. It is very easy to grow perennial, requiring little attention to produce 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".

Grow Black Eyed Susan in masses in flower gardens ,or broadcast spread seeds as wildflowers.


Propagation of Black Eyed Susan Plants:

Black Eyed Susan are grown from seed. If started early in the spring, you may get blooms the first year. Black Eyed Susan 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: Seeds need light to germinate. Plant very shallow.

Black Eyed Susan plants grow 2-3 feet tall on 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.


How to Grow Black Eyed Susan:

Black Eyed Susan 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.

Once your Black Eyed Susan plants are established, they will grow well unattended.

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.

Flowers Bloom: Summer through Fall


Insect and Disease:

Black Eyed Susan are resistant to insects and disease. If insect or disease problems occur, treat early with organic or chemical insect repellents and fungicide.


More Information:

Black Eyed Susan Vines - Thunbergia Alata

How to Grow Black Eyed Susan Plants

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