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How to Grow Rudbeckia (Black-Eyed Susan)


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Rudbeckia, known by it’s common name as Black-Eyed Susan a hardy summer flower that will bloom profusely until fall. Once established, Rudbeckia is a drought-resistant favorite among gardeners.

Difficulty:
Easy

Instructions

things you’ll need:
  • Rudbeckia plant 1 or 5 gallon
  • fertilizer if needed
  • soil amendment if needed
    1. Plant Black-eyed Susans 18 inches apart in spring or summer in any soil that drains well and is in full or partial sun. If your soil drains slowly, add an amendment such as potting mix.
    2. Water frequently until well-established. Unless soil is poor, a fertilizer isn’t necessary. If soil is poor, use a pelleted, slow-release fertilizer once in spring, or a water-soluble flower fertilizer monthly.
    3. Divide Black-Eyed Susan every three years in spring or early fall. Snap offsets and new seedlings anytime during the growing season and replant them immediately.
    4. In very dry climates, spider mites may appear at midsummer. Spraying with water once a week will prevent mites. This easy to grow plant requires no pinching or pruning.
    5. Leave the plants standing in fall to provide seeds for birds, or harvest the seeds to plant indoors in flats in late winter for spring transplanting.

Tips & Warnings

  • Great companion plants are butterfly weed, red-leafed coleus, and ornamental grasses.

  • Mature height and spread is 8 " to 3′ x 18"

  • These plants may be found at garden centers such as Lowes or Home Depot

  • Be sure to keep moist until well established

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