How to Propagate Black-Eyed Susan
Rudbeckia spp.
| Methods | Division, seed |
| Difficulty | Beginner |
| Best season | Spring or fall |
| Time to root | Instant (division) |
| Group | Outdoor / garden |
An easy, vigorous perennial that divides readily and self-seeds freely. Division is the fastest way to get an identical plant; seed works well too since this species generally comes true.
Division
Dig up the clump, separate sections with roots and growth points, replant.
Growing from seed
Self-sows readily; collected or purchased seed germinates easily after cold stratification or direct fall sowing.
When to propagate
Spring or fall for division.
Common problems
Divided section wilted. Water well; normal short-term stress.
Questions people ask
Why does it spread so readily in my garden? Both self-seeding and spreading roots contribute — this is a naturally vigorous, easy-to-propagate native perennial.
Related
Soil & cutting methods hub · Similar plants: Coneflower, Shasta Daisy