Plant Image Data Base
Rudbeckia fulgida
Orange Coneflower or Black-Eyed Susan
- Form
- perennial
- maturing at 3' tall by 3' wide under optimum
conditions, but half that size in poor, dry soils
- upright to radiating clump growth habit
- Culture
- adaptable to poor soils
- low maintenance
- prune dead stems back to ground every late winter
- Daisy Family, with few disease or pest problems
- Foliage
- Flowers
- yellow-orange petals with black-brown centers, at
terminals of continuously branching stems
- each flower lasts two to four weeks
- effective for at least three to four weeks during
July-late September, depending on the heat and
drought of the season which induces earlier
flowering
- Function
- mass plantings, borders, entranceways, beds,
naturalized sunny areas, and urban sites with
poor soils
- Assets
- spectacular yellow-black flowers may adorn the
plant all summer long, but predominate in mid to
late summer
- ornamental winter effect of persistent dead-heads
- urban tolerant (especially to drought)
- naturalizes by self-sowing
- Purpose
- perennial that is excellent as a late summer
focal point
- Summary
- known as a very popular perennial noted for its
magnificent summer or early autumn bloom period
of yellow-petaled, black-centered flowers that
rise above the dark green foliage, good as
specimen plants, in mass plantings, or in rows
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