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 Hemerocallis dumortieri

Early daylily 

 Scientific name: Hemerocallis dumortieri

Common name: Early daylily

Region of origin: Eurasia (Europe to China, Japan, Korea)

 


Photo courtesy UW-Madison Botanical Garden


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Highlights:

Hardiness: Zones 2-9

Height x Spread: 19 to 24 in. x about 18 in.

Season of bloom: Spring

Flower color: Yellow

Exposure: Full sun to partial shade

Soil requirements: Rich, neutral to slightly acidic soil

Moisture requirements: Moist soil

Physical description: This plant is a light yellow-flowered daylily that has leaves about 0.5 inch wide and 1.5 inch long. The scapes are shorter than the leaves, and carry 2 to 4 sessile flowers per stem. The funnel-shaped flowers, which bloom in spring, have a fruity fragrance .

Optimal growing conditions: Although daylilies grow well in partial shade in most soils, they prefer rich and moist soil, and will produce more flowers under full sun. However, flowers grown under full sun are shorter-lived than the ones grown under partial shade. This plant is thought to be allelopathic.

Susceptibility to pests and diseases: This plant is generally free from disease problems, especially if soil is kept well drained. Slugs and snails can be damaging, especially to the young plants in the spring. Mites, aphids, and thrips can become troublesome, too.

Use: Early daylilies serve as good weed-excluding ground covers for areas around trees and shrubs in low-maintenance gardens.

Additional notes: In some countries such as China and Japan, daylilies are cultivated as food crops. The sweet fragrance of the daylily flower makes it a good ingredient for food. Although the flowers are most frequently used, all parts of the plant can be eaten, either raw or cooked. Also, the roots of this plant are used as a cure for arsenic poisoning and cancer.

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