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How to plant crinum bulbs

Updated April 17, 2017

Part of the Amaryllis plant family, this African native flower is a favourite in flower gardens. It's stunning horn shaped blooms appear in April, boasting luscious pink, purple and white blooms amid the dark green leaves. There are more than 100 species of crinum found world wide. The name originates from the Greek word Krinon meaning "white lily." Crinum plants can grow up to five feet and look great in groups. Growing and caring for them is very easy, making this a wonderful flower for beginner and experienced gardeners alike.

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  1. In late March to early April, after the last frost, till your garden soil. Work in a humus rich soil and compost to help enrich the garden area. Choose an area that receives full sun all day.

  2. Dig holes approximately two inches deep and about eight to 10 inches apart. Place a bulb in each hole with the pointed end facing up and the neck of the bulb level with the ground surface. Firm the soil over each bulb. Since Crinums look especially nice when planted in groups, consider planting the bulbs in a circle or half circle.

  3. Water very thoroughly after planting. Water daily during the growing period. Once the plants are established, let the soil dry out between waterings.

  4. Fertilise using a low nitrogen liquid fertiliser, 5-10-10. Crinum does not normally need to be fertilised, but to help the plant thrive and grow more abundantly a fertiliser can be applied once a month.

  5. Mulch heavily during late fall after the foliage has died back. Apply a three to four inch layer of mulch. Crinum winters over well in grow zones 7, 8 & 9. In cooler growing zones, it may be necessary to dig up the bulbs before the first frost and store in a refrigerator until late spring when they can be planted again.

  6. Tip

    Thin out your plants every three to five years--dig up bulbs, separate new growth and replant.

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Things You'll Need

  • Humus rich soil
  • Low nitrogen liquid fertiliser (5-10-10)
  • Mulch

About the Author

Amy Hannaford teaches childbirth education classes and a healthy pregnancy series in Southern Oregon. Hannaford holds an Associate of Arts degree, a certificate in medical assisting, and has been a childbirth educator and birth doula for 20 years. She has been writing articles for Demand Media since 2008.

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