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Rudbeckia Hirta Seeds - Black-eyed Susan
SEEDS PER POUND
1,710,000
SEASON
Biennial
USDA ZONES
3 - 9
HEIGHT
24 inches
BLOOM SEASON
Late summer and fall
BLOOM COLOR
Golden yellow
ENVIRONMENT
Full sun
SOIL TYPE
Any soils that are not too dry, pH 5.8 - 6.8
DEER RESISTANT
Yes
About...
Black-Eyed Susan (Rudbeckia Hirta) - Black-Eyed Susan easily establishes from Rudbeckia Hirta seeds, and it produces clumping, stiff, upright drought tolerant plants. Rudbeckia Black Eyed Susan is native to the eastern United States and is probably the most common of all American wildflowers.
MORE RUDBECKIA OPTIONS
Planting Directions
TEMPERATURE
70F
AVERAGE GERM TIME
7 - 30 days
LIGHT REQUIRED
Yes
DEPTH
Do not cover the seed but press into the soil
SOWING RATE
1/2 ounce per 1,000 square feet or 2 pounds per acre
MOISTURE
Keep seeds moist until germination
PLANT SPACING
12 - 18 inches
Black-Eyed Susan (Rudbeckia Hirta) - This familiar, yet gorgeous golden yellow wild flower is often seen growing in large colonies along highways, in fields, and in many natural settings. Black-Eyed Susan easily establishes from Rudbeckia Hirta seeds, and it produces clumping, stiff, upright drought tolerant plants. Rudbeckia Black Eyed Susan is native to the eastern United States and is probably the most common of all American wildflowers. They have the characteristic dark brown, domed center which is surrounded by bright, golden yellow petals. Black-Eyed Susan wildflowers thrive in most soils, in full sun, and they forgive neglect. Even though these plants prefer moist soils, they are also quite drought tolerant and can be planted for xeriscape gardening.
Common Questions
What are good perennial companion plants for black-eyed Susan?
Black-eyed Susans and various Rudbeckia plants beautifully enhance the vibrant hues of blue and purple flowers, such as Veronica. They also pair wonderfully with other jewel tones, including Sedum 'Autumn Joy', purple coneflowers, and New England asters.
How do you winterize black-eyed Susan?
Black-eyed Susans are resilient to winter conditions, thriving in USDA zone 3, which means they don’t require winterization. However, the plants do benefit from having their stalks cut back in the fall and being covered with a generous layer of mulch.
Can I use it as a cut flower?
Yes, these flowers are excellent for long lasting cut flowers.
Do flowers attract any pollinators?
Yes, butterflies and song birds are attracted to these flowers.
Do I need to deadhead my spent blooms?
Yes, to encourage a longer bloom season you will need to deadhead any spent blooms.
What are some good ways to use these flowers?
These are spectacular in mass plantings, perennial borders, cottage gardens, cut flower gardens, or in prairies and meadows.
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