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How to Fertilize an African Daisy

African daisies, or osteospermums, are also known as cape marigolds. The daisy-like flowers come in a range of colors, including pink, white and blue, with large, blue center eyes. African daisies grow as annual flowers and provide lush color and greenery to flower beds and borders. They grow well in a variety of soil conditions and tolerate drought, making them a good flower choice in dry areas. With proper fertilization, the African daisy blooms profusely from early summer until the first fall frost.

Things You'll Need

  • Compost
  • Slow-release fertilizer
  • Soluble fertilizer (optional)
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Instructions

    • 1

      Spread 2- to 3-inches of compost over a well-drained garden bed before you plant the daisies in spring. Work the compost into the top 6 inches of soil. Compost provides additional drainage and supplies natural nutrients for the African daisies.

    • 2

      Sprinkle 1/2 pound of 10-10-10 slow release fertilizer over every 100 square feet of bed the day before or the day of planting. Till the fertilizer into the top 4 to 6 inches of soil so the fertilizer is spread throughout the root zone of the plants.

    • 3

      Fertilize the African daisies again eight to 10 weeks after planting with a second application of slow-release fertilizer. Alternatively, begin applying a liquid soluble 10-10-10 fertilizer every two weeks at the label recommended rate for the size of your daisy bed.