How fast do Black Eyed Susans grow?
A very showy double-flowered form of black-eyed Susan with large golden-yellow flowers up to 3 ½ inches wide produced in profusion on long, sturdy stems. Grow as an annual or a short-lived perennial. In mild climates, seed may be sown directly in the garden and will begin to germinate in 2 to 3 weeks.
Are Black Eyed Susans hard to grow?
They’re simply hard to beat when it comes to easy growing and big bloom power. What’s more, black-eyed Susans are a great addition to a pollinator garden. Birds (especially goldfinches), butterflies, and hummingbirds eat the seeds or sip nectar from the plants.
Will Black Eyed Susans flower the first year?
The black-eyed Susan grows to be about 3 feet tall (about 1 m) with bright yellow ray flowers that are 2 to 3 inches wide and have small, dark brown spherical centers. Don’t worry if your black-eyed Susan seeds do not produce flowers the first year! They typically bloom in the summer and fall of the second year.
Does black-eyed Susan come back every year?
While they may not begin flowering quite as early each season, if you choose one of the perennial varieties we carry, either Sweet Black-eyed Susans (Rudbeckia subtomentosa) (available as seeds) or the cultivar Goldstrum (Rudbeckia fulgida ‘Goldstrum’) (available as plants), they will return year after year to light up …
What should I plant next to Black Eyed Susans?
Companion plants for this garden favorite are almost too many to list, but a few ready and reliable choices include zinnias, globe thistle, sedum, perennial hibiscus, echinacea, joe-pye weed, and ornamental grasses. The yellow and golden colors look nice near shrubs with darker foliage, like smokebush and elderberry.
Can Black Eyed Susans grow in shade?
When and Where to Plant Black Eyed Susans (Rudbeckia) Light: All varieties of Rudbeckia will thrive in full sun. However, some varieties, especially the Sweet Black-eyed Susan (Rudbeckia subtomentosa) and the perennial black-eyed Susan (Rudbeckia ‘Goldsturm’) will also take partial shade.
Do Black Eyed Susans spread from seeds?
Black-eyed Susans generally grow between 1 and 3 feet tall (though they can grow taller) and can spread between 12 to 18 inches, so plant seeds closer to prevent lots of spreading or plant further apart to make a nice border.
Do Black Eyed Susans multiply?
Black-eyed Susans produce fibrous roots that spread horizontally in the soil. If you pull black-eyed Susans from your garden and leave some root pieces behind, the clumps eventually produce a new plant. You can create a constant supply of new flowering plants by dividing the clumps in the fall after blooming.
Do black-eyed Susans need full sun?
How do you winterize Black Eyed Susans?
Cut back the stalks of perennial black-eyed susans in the late autumn after the plant has wilted to the ground if you prefer a cleaner flowerbed over the winter. Cut the stalks so that 4 inches of stalks extend out from the bottom-most basal leaves of the plants.