The Q&A Archives: When and how to plant Daylily

Question: I am new to Utah and would like to start planting some Daylilys. Last summer they were very beautiful in my neighborhood, here in Park City and I love hardy plants that multiply year after year. When can I plant them and how should they be planted?

Answer: Daylilies grow best in full sun. They will tolerate light shade, but flower best with a minimum of six hours of direct sun. Light shade during the hottest part of the day keeps the flowers fresh. Daylilies should not be planted near trees and shrubs that are likely to compete for moisture and nutrients.

Although daylilies are adaptable to most soils, they do best in a slightly acidic, moist soil that is high in organic matter and well drained.

Daylilies can be planted almost any time the soil can be worked. Till the soil deeply before planting. Work in well-rooted manure or compost to increase organic matter. Dig a hole large enough for the roots without bending or crowding them.

The best time to transplant or divide plants is early spring or immediately after flowering. Plants divided in the spring may not bloom the same summer. Divisions should have two to three stems or fans of leaves with all roots attached. Make divisions by digging the entire plant and gently pulling the fans apart. Cut the foliage back, leaving only five or six inches. Place the plant in the soil so the crown (the portion where the stem and root meets) is one inch below the ground line. Water thoroughly after planting. A winter mulch of straw or shredded leaves helps ensure against winter injury for unestablished plants.

Daylilies are vigorous growers and can be divided every three to four years.

Best wishes with your new daylilies!

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