Helping You Become a More Successful Gardener
Gerald L. Klingaman
Daylily, Hesperus Daylily
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In Greek mythology, Hesperus was the son of Eos and personified as Venus, the "evening star." Beautiful in flower shape and form, the lemon-yellow-blooming Hesperus daylily is both fittingly named and one of the best selections from the mid-20th century. The daylily is a popular perennial revered for its reliability, ease of growth and floral beauty. The hybrid diploid ‘Hesperus’ produces flowers atop a tall stem - a scape - in early to midsummer. The six petal-like tepals reflex backward gracefully. These bright lemon-yellow flowers open during the day and rise from clumps of strappy green leaves that die back once fall frosts return. Each blossom in the bud cluster remains open for at least 16 hours, but no more than 24 hours before shriveling up.
'Hesperus' was bred by Carl Milliken and introduced in 1948. The American Hemerocallis Society gave this cultivar the prestigious Stout Silver Medal award in 1958.
Daylilies are clump-forming and spread slowly via rhizomes. The blooms are commonly held in branched clusters on long leafless stems that stand above the foliage. All daylilies are easy to grow if provided full to partial sun and average soil with good drainage. Deciduous daylilies are the hardiest and survive in the coldest reaches of their range; however they may struggle in areas with mild winters. Evergreen types grow well in all but the most tropical regions but require protection where winters are harsh and cold. Their clumps spread over time and may need to be divided every three to four years. After plants bloom, it is wise to shear back their foliage to allow for a fresh flush of growth.
Enjoy this tried-and-true herbaceous ornamental in mixed beds and borders, containers and large mass plantings.
9 - 2
3 - 8
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Full Sun, Partial Sun
18"-45" / 45.7cm - 114.3cm
18"-24" / 45.7cm - 61.0cm
Acidic, Neutral, Alkaline
Clay, Loam, Sand
Pollution, Drought, Salt
Yellow, Lemon Yellow
Green, Light Green
Container, Edging, Foundation, Mixed Border
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