mercredi 25 avril 2018

How to Plant Daylilies

Daylilies are hardy perennial plants that produce a gorgeous rainbow of blooms. They are a great choice for novice gardeners because they are easy to maintain, resistant to pests and disease, highly adaptable, and drought tolerant. Choose a planting location with full sun and well-drained soil to ensure your daylilies thrive. Plant these vigorous growers at least apart to give them plenty of room to spread out!


EditChoosing a Planting Location

  1. Purchase nursery-grown starter plants or obtain root divisions. Daylilies are difficult to start at home. Visit your local nursery and buy a few starter plants. If you know another gardener in the process of dividing daylilies, ask if they’d be willing to share some of their root divisions with you.[1]
    Plant Daylilies Step 1 Version 2.jpg
    • Root divisions are created when multi-stemmed plants are pulled apart to form single stems.
    • Daylilies are vigorous growers and often used as ground cover. They will spread and form a dense mat after a few seasons.
  2. Choose a site that gets at least 6 hours of full sun daily. Daylilies prefer full sun, although they will tolerate partial shade. To get the most blooms, choose a location that receives a minimum of 6 hours of direct sunlight each day. However, daylilies can easily handle 8 to 12 hours of full sun daily.[2]
    Plant Daylilies Step 2 Version 2.jpg
    • Daylilies planted in the shade will bloom less frequently.
  3. Select an area with soil that drains well. Daylilies are hardy and can withstand almost any kind of soil, but they thrive in well-drained soil. To test your soil's drainage, dig a hole that is wide and deep. Fill the hole with water. If the water drains in 10 minutes or less, you have well-draining soil. If it takes an hour or more, your soil drainage is poor.[3]
    Plant Daylilies Step 3 Version 2.jpg
    • To amend soil that drains poorly, add some organic matter like well-rotted manure, wood chips, pea gravel, or peat moss. Mix it into the existing soil thoroughly.
  4. Test the soil for a pH between 6 and 7. Daylilies like slightly acidic soil. Purchase a soil testing kit from your local nursery and perform a reading by following the included instructions. Anything under 7 is considered acidic. Anything above 7 is considered alkaline.[4]
    Plant Daylilies Step 4 Version 2.jpg
    • To reduce acidity in your soil, add garden limestone.
    • To reduce alkalinity, amend the soil with sulfur, gypsum, or sphagnum peat moss.[5]

EditPlanting Root Divisions

  1. Plant daylilies in early spring or early fall. The best time to transplant or divide daylilies is early spring and early fall. If you transplant or divide in early spring, the lilies may not bloom until the following summer. If you transplant in early fall, do so right after summer blooming, at least 1 month before the first hard frost.[6]
    Plant Daylilies Step 5 Version 2.jpg
    • Daylilies are perennials, which means they go dormant during winter and then come back each spring.
  2. Till the soil and mix in compost or well-rotted manure. Use a till or shovel to turn the soil to a depth of about . Remove any rocks and debris you find in the soil. Add a few shovels of compost to the soil and work it in using your till or shovel.[7]
    Plant Daylilies Step 6 Version 2.jpg
    • The organic matter in compost and manure encourages copious blooming and helps the soil retain moisture.
  3. Dig a by hole in the tilled soil. The hole needs to easily accommodate the roots of the division or transplant without bending or crowding them. A by will usually do the trick, but adjust as needed. Use a shovel to dig the hole and deposit the upturned soil on the ground right next to the hole.[8]
    Plant Daylilies Step 7 Version 2.jpg
  4. Situate the roots in the hole. Hold the root division by the crown and place it in the hole. Fan the roots out in the hole. Make sure the crown is below the ground line. The crown is where the stem and roots meet. The soil level above the roots should be about even with the soil in the new location.[9]
    Plant Daylilies Step 8 Version 2.jpg
    • If the hole needs to be adjusted for the crown, pull out the division and amend the hole as needed.
    • Each root division will have 2 to 3 stems.
  5. Add soil around the roots to refill the hole. Continue to hold the division by the crown as you add soil to the hole. Do not tamp down the dirt around the roots. You want the soil to be loose and not compacted at all. Gently push the soil down around the roots with your free hand so that the crown stands up straight.[10]
    Plant Daylilies Step 9 Version 2.jpg
    • Packing down the soil may reduce soil drainage around the plant.
  6. Plant the root divisions to apart. Daylilies are vigorous growers and they don’t like competition, so give them plenty of space. Even when they’re spaced this far apart, daylilies will naturally fill in the empty space around themselves as they grow. Each plant will eventually expand up to in diameter.[11]
    Plant Daylilies Step 10.jpg
    • If you plan to divide your plants during the next season, planting them apart is fine. If you don’t want to divide them, give them about of space.
  7. Water each planted root division thoroughly. Root divisions will be thirsty after they’ve been planted. Give each plant a thorough watering. Water your new transplants gently so that the soil around them isn’t disturbed. You may want to use a watering can for this first watering.
    Plant Daylilies Step 11.jpg

EditMaintaining Daylilies

  1. Give daylilies of water each week. Daylilies are drought-resistant, but they bloom best when they have moist soil. Water them in the morning or evening once each week. If your daylilies are planted in sandy soil, you may want to water them twice a week to ensure their soil stays moist.[12]
    Plant Daylilies Step 12.jpg
    • Over-watering can cause crown rot, so be careful.
    • Avoid watering daylilies during the midday heat.
  2. Fertilize daylilies in the late spring. Fertilizing lightly each spring after the initial planting will boost their growth for summer blooming. Use an extended release fertilizer for best results. Other than that, you can use any kind of fertilizer you want as long as it’s relatively low in nitrogen.[13]
    Plant Daylilies Step 13.jpg
  3. Mulch your daylily plants in the summer. Daylilies don't require winter mulch, but they will appreciate an organic mulch during the summer. They aren’t very particular about the type of mulch you use, so feel free to experiment. Take care not to cover the crown of the plant with mulch.[14]
    Plant Daylilies Step 14.jpg
    • Straw, grass clippings, and leaves are all good choices for mulch.
    • Summer mulching helps the soil retain water and lowers the soil temperature during the hot summer days. Mulch also helps crowd out weeds.[15]
  4. Watch out for spider mites during the summer. Daylilies are quite resistant to most pests, but spider mites can sometimes be a problem during the hot and dry summer months. If you see any spider mites on your plants, simply rinse them away with a forceful spray of water. Check the plants frequently and repeat the rinsing, if needed.
    Plant Daylilies Step 15.jpg
    • If the mites are particularly tenacious, you can also use an insecticide.[16]

EditDividing Daylilies

  1. Divide daylily plants every 3 to 5 years after initially planting them. Dividing the plants will rejuvenate them and improve blooming. Since daylilies grow so vigorously, they will likely need the additional space to stay healthy, as well. Divide daylilies after they have bloomed, but prior to the first frost.[17]
    Plant Daylilies Step 16.jpg
  2. Raise the whole daylily plant clump from the earth. Slice it into 6 to 8 sections (root divisions). Each root division should have several stems on the roots. Lop the foliage back 6 inches and remove any stems that look stunted or unhealthy.[18]
    Plant Daylilies Step 17.jpg
    • Only choose your healthiest daylilies for division.
    • Cutting back the foliage helps the roots establish themselves more easily when replanted.
  3. Replant the root divisions to apart. Dig a by hole for each division. Put 1 division in each hole and refill the hole with soil. Make sure the crown is below the ground line. Water the new transplants thoroughly.
    Plant Daylilies Step 18.jpg
    • Make sure that the crown isn't too deep. Replanting that way can cause the crown to rot.
    • The daylilies will grow and fill in the new space around them.



  • Although daylilies don't tend to be bothered by most disease or insects, they are attractive to deer, which may invade your garden and eat them.

EditThings You'll Need

  • Daylily starter plants or root divisions
  • Spade or garden fork
  • Shovel
  • Mulch
  • Fertilizer

EditRelated wikiHows

EditSources and Citations

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source How to of the Day

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