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RudbeckiaRudbeckia are related to coneflowers, and are commonly called black-eyed susans. These black-buttoned blooms commonly grow in gold and orange colors, in double and single blooms. Rudbeckia are fantastic naturalizing flowers, and lend a cheerful prairie look to any garden! They also serve as long-lasting cut flowers.

Botanical Name:


Most Popular Colors: Orange, gold.

Blooming Season: Midsummer.

Soil Preferences: Rudbeckia prefer well-drained soil that is not overly rich. However, like coneflowers, rudbeckia flourish in most kinds of soil.

Climate Preferences: plants are winter-hardy in most North American climates.

Sun Exposure: Partial shade to full sun. Most varieties prefer full sun.

Landscaping Tips: Black-eyed susans can be planted in clumps for a natural look. Intermix them with shorter sun perennials for a full, varied look. Because rudbeckia prefer sandy soil, they can also be used to prevent erosion in sloped areas.

Rudbeckia continue to add interest when flowering, so consider letting the cones stand through the winter. Their cones attract birds and can help to reseed the plants.

Planting: Plant potted redbeckia so that the root ball is level with the surface of the soil, and water in thoroughly. Larger varieties should be planted 2 to 3 feet apart, mini varieties may need only 14 to 24 inches o f space.


  • Water plants well as they become established, for the first growing season or two. Well-rooted rudbeckia plants are fairly drought-tolerant.
  • After flowering, some varieties should be deadheaded to encourage reblooming.

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