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Editor's Choice: ‘Mighty Chestnut’ Daylily

By: Jennifer HowellJennifer Howell
‘Mighty Chestnut’ daylily has outstanding blooms that put it a step above its classic older cousins and are just as easy to grow!

Mighty Chestnut daylily flower portrait:  Warm, rich colors and long-blooming flowers of 'Mighty Chestnut' daylily make this an outstanding perennial in a sunny border.

‘Mighty Chestnut’ daylily

(Hemerocallis hybrid)

Traditional orange daylilies are the workhorses of the garden, with eye-catching color, reliable performance and easy care. ‘Mighty Chestnut’ daylily is no exception, but its outstanding blooms put it a step above its classic older cousins.

Type Perennial
Blooms Ruffled dark orange petals with burgundy eye and yellow throat in mid- to late summer
Light Full sun to part shade
Soil Average, well drained
Pests None serious
Size 24 to 30 in. tall, 18 to 24 in. wide
Cold hardy USDA zones 3 to 9

A mighty fine addition to the garden

The deep orange blossoms of 'Mighty Chestnut' daylily are marked with a rich burgundy eye and sunshine-yellow throat. Ruffled flowers are lightly fragrant and can be more than 5 inches across. The color contrasts beautifully with a dark background, such as a wooden fence, an evergreen hedge or a ceramic urn.

While this cultivar only blooms once a summer, ‘Mighty Chestnut’ boasts a high bud count, so you’ll get several weeks of successive flowers. Blossoms can last for up to 16 hours, longer than the typical daylily.

Deadheading daylilies

Snap off withered flowers each day so new buds that open from the same cluster will look fresh. Once all the blooms are spent, deadhead them by cutting the stalk off at the base of the plant.

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Tips for growing ‘Mighty Chestnut’ daylily

If the glorious flowers didn’t inspire you to plant ‘Mighty Chestnut’ daylily, its easy care should. Strappy foliage forms robust clumps in full sun to part shade. Apply a granular, general-purpose fertilizer in early spring to give it a boost, especially if it's growing in lean soils. This daylily can tolerate dry conditions, but a layer of mulch and extra water during hot, dry spells helps prevent leaves from turning yellow and dying back. In late fall, the foliage will die down and is easily raked off in late winter or early spring in time for new growth to emerge.

When to divide daylilies

‘Mighty Chestnut’ daylily should be divided every three to five years; if it becomes overcrowded it will have fewer flowers. In fall or early spring, lift the plant and separate the roots into several clumps with at least three fans of leaves. Replant divisions at the same depth, spacing plants about 12 to 15 inches apart to give them plenty of room. You’ll be mighty glad to have more of this gorgeous daylily!

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Product Recommendations

Here are some supplies and tools we find essential in our everyday work in the garden. We may receive a commission from sales referred by our links; however, we have carefully selected these products for their usefulness and quality.


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editors choice garden design issue 174 november december 2023 perennials plant recommendations

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