| About two feet behind this border, a row of rudbeckia grows like a tall hedge. |
| He showed me a rudbeckia about three feet high with a cone of dark purple flowers, probably a new species. |
| Even more useful is to be able to distinguish between, say, a hardy perennial rudbeckia and a half hardy annual rudbeckia. |
| All very well is the advice to cut back decaying and gone-over plants, but my penstemons, rudbeckia, etc are still nice and green. |
| In March, plant sunny beds with seed or transplants of marigolds, zinnias, gomphrena and rudbeckia, and brighten shady spots with impatiens and caladiums. |
| Years ago someone planted in my head the idea that rudbeckia were unforgivably brash. |
