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Yellowstone daylily    1950


What sets this mighty classic apart — and why should you give it a try? It’s more fragrant than its famous parent ‘Hyperion’. Its Chicago breeding makes it extra tough. And its lily-like, moonlight-yellow flowers stay open longer than most, making it especially beautiful in the evening garden — when you’ll be home to enjoy it. 36” mid-summer blooming, deciduous, zones 4a-8b(9aWC), from Missouri.


SUB TYPE   American

ZONES   4a-8b(9aWC)

HEIGHT   3’

SOURCE   Missouri, America

LIGHT   full sun, half sun, light shade

PLANTING & CARE

Plant these bare-root perennials as soon as possible in the spring. They’re eager to grow, can take light frost, and need water and sunlight to stay healthy. If necessary, store in a plastic bag in the refrigerator for a few days or “heel in” briefly in moist sand or soil in a shady spot.

Daylilies like lots of sun but most bloom well in light shade, too, and often prefer it in the South. Loamy, well-drained soil suits them best, but they’re adaptable and should do fine in any soil that’s not too wet or dry.

Plant 18-24 inches apart (to leave growing room for future years) with the crown (where the foliage meets the roots) no more than one inch below the soil surface. Dig a hole big enough to fit the roots comfortably, mound soil in the center, set the plant on top, and spread the roots out down the sides of the mound. Fill in and firm soil around roots, making sure the crown ends up no more than one inch deep. Water well.

Water regularly, especially the first year and from spring till flowering in future years. First-year plants usually bloom sparsely — if at all — concentrating instead on developing a strong root system. Deadhead (remove) spent blooms daily for a neater look and, to increase bloom the following year, remove any seedpods that may form.

After bloom, normal senescence (aging) may cause foliage to subside, yellow, or turn brown at the tips. If this bothers you, feel free to trim it a bit or even cut the foliage to the ground completely — though not the first year! With good care, fresh new foliage will emerge.

Daylilies are hardy perennials and winter protection is rarely needed. In spring, remove dead foliage, fertilize if indicated by a soil test, and resume watering.

For more information, including tips on the few pests and diseases that occasionally trouble daylilies, see the “Frequently Asked Questions” section of the excellent American Hemerocallis Society website.

Learn more about growing and enjoying daylilies at our Daylilies Newsletter Archives.