Gardeners can't
get enough of daylilies, and it's easy to understand why. Other
flowers may be as beautiful, but no other plants are as rugged,
widely adapted, or versatile. Daylilies are gorgeous, and they
are survivors--perfect plants for both the connoisseur and the
weekend warrior.
The
Plant
Originally
from Asia, daylilies have adapted to the challenging and varied
climates of the United States with all the vigor of its best native
plants. They grow in all U.S. regions, but thrive in USDA Hardiness
Zones 4 through 9.
Daylilies have arching, straplike foliage. Flowers are borne on
tall stems, called scapes, that rise above the foliage. They are
available in a range of sizes; some varieties grow just 12 inches
tall; others reach 3 feet. (Note that the height given in plant
descriptions usually refers to the height of the flowers; the
foliage may be significantly shorter.)
The
Flowers
True
to its name, each daylily flower remains open for only one day,
but each flowering scape contains numerous buds. The color range
of daylilies has expanded to include everything but blue and pure
white. Many blossoms are bi- or tri-colored, and some have striking
"eyes"--zones of different colors surrounding the throat.
Single daylilies have six petals, while double varieties have
a second set of petals, often ruffled. In the Far East, daylily
flowers are used in recipes and can be eaten raw or cooked. They
are often found as a dried food in stores.
How to Use Daylilies
Daylilies are stalwarts of the perennial border,
but they shine in other spots, too. Vigorous daylilies grow thickly
enough to choke out most weeds, making them a low maintenance
ground cover. They excel at holding the soil on steep slopes and
other erosion-prone spots. Plant them on banks and roadsides or
along waterways. Use dwarf daylilies in rock gardens, in containers,
or as edging for flower beds. When planting several daylily varieties,
arrange them in drifts of a single variety for a natural look.
Planting
and Care
Daylilies grow best in full sun, ideally 6 hours or more daily.
However, in hot and dry climates, they benefit from some afternoon
shade, as well as irrigation during bloom. Also, many of the deep
reds and the paler shades hold their colors better in partial
shade. In any zone, daylilies will perform reasonably well with
half a day's shade--they just won't bloom as vigorously.
Daylilies
grow well in a wide range of soils. You can plant them successfully
almost any time the ground can be worked. To plant bareroot daylilies,
work the soil to a depth of 12 inches. Dig a hole, then make a
mound of soil in the center. Set the plant on the mound with the
crown at the soil surface or no more than an inch below. Firm
the soil around the roots, and water well. Space plants 18 to
24 inches apart.
The ideal
time to transplant or divide your planting is in spring as the
shoots begin to emerge, or immediately after bloom. When replanting,
set the plants at the same height they grew at previously or slightly
higher to allow for settling. Firm the soil, then water. Some
cultivars can grow for 20 years without requiring division, but
others may need division every second or third season. You'll
know it's time to divide when flower production beings to decline.
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