How to plant Hemerocallis roots

Depth, spacing & care (Spring)

Hemerocallis, commonly known as daylily, is beloved for its colorful, trumpet-shaped flowers that open one per stem each day, yet often in succession for weeks. With a wide palette — from soft pastels to vibrant oranges, reds, yellows, and bi-colors — daylilies bring dependable color to borders, cottage gardens, and masses. Their strap-like foliage forms arching clumps, providing structure even when not in bloom.

Hardy and versatile, daylilies thrive over a range of climates and soils. Many varieties are easy to maintain, flourish in mixed plantings, and reward gardeners with years of dependable flowering.

How to plant

When to plant

Plant daylily roots (fans) in spring or early autumn. Spring planting is ideal in colder climates to allow establishment before summer heat, while autumn works well in milder zones.

Where to plant

Choose a location with full sun to part shade — most daylilies bloom best with at least 6 hours of sun. The soil should drain well and be rich in organic matter. Avoid sites that become waterlogged.

Preparing the soil

Loosen the soil to about 20–25 cm depth and remove stones or weeds. Incorporate compost or well-rotted organic matter to improve fertility and soil texture.

Planting the roots

Position the fan so that the crown (where roots join foliage) is about 1–2 cm below the soil surface. Spread the roots outward and backfill, firming gently. Space plants about 30–50 cm apart, depending on cultivar size.

After planting

Water thoroughly to settle soil around roots. Keep the bed moist but not saturated while plants establish. In dry periods, supplement watering to maintain even moisture.

During growth & blooming

As shoots grow, mulch lightly to conserve moisture and suppress weeds. Feed with a balanced fertilizer in early summer to encourage more blooms. Remove faded flower stalks to tidy the plant and focus energy on root growth.

After blooming

Let foliage remain — daylily leaves continue to photosynthesize and support future blooms. In autumn, cut back foliage after it yellows. In cold climates, mulch lightly for winter protection.

Extra tips

Daylilies are excellent for mixed borders and mass plantings. They’re relatively low-maintenance and resist many pests and diseases. Divide overcrowded clumps every 4–5 years in spring or autumn to rejuvenate performance and flowering.