Photo by Melody

PlantFiles: Daylily
Hemerocallis 'Art Imperial'

Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info)
Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info)
Cultivar: Art Imperial
Hybridized by Kirchhoff; Year of Registration or Introduction: 2000

» View all varieties of Daylilies

3 members have or want this plant for trade.

24-36 in. (60-90 cm)

18-24 in. (45-60 cm)

USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
By dividing the rootball
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Bloom Time:
Early (E)
Reblooming (Re)

Flower Size:
Large (more than 4.5" diameter)

Blooming Habit:
Diurnal (diu.)
Extended (ext.)

Flower Type:

Bloom Color:
Gold (Yellow-Orange)
Pale Yellow

Color Patterns:

Flower Fragrance:
No fragrance

Foliage Habit:
Evergreen (ev.)


Awards (if applicable):
Honorable Mention
Junior Citation

Click thumbnail
to view:

By Debsroots
Thumbnail #1 of Hemerocallis  by Debsroots

By LaLambchop
Thumbnail #2 of Hemerocallis  by LaLambchop


No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral Calif_Sue On Oct 2, 2006, Calif_Sue from Northern California
United States (Zone 9a) wrote:

Hybridizer Notes: 30" E Re Ex Ev EMO 5" - 6". Dr. Arturo and Dr. Nina Imperial's sub-tropical garden in Lake Jackson, Texas contains one of America's premier daylily collections. Reflected by the blue waters of a huge lake, their spacious garden reveals exquisite taste and horticultural excellence. ART IMPERIAL is an opulent orange red color with a yellow to green throat, encircled by a ruffled, gold edge. The blooms are of medium substance, and the clear color shows singular saturation, intensity and brightness when planted in light shade. The form is so flat and round as to be unique in both size and refinement in this singularly assertive color. Little wonder that Timber Press features its photo on the cover of their new Color Encyclopedia of Daylilies advertisement brochure. The strongly recurrent scapes have 3 way branching and 20 or more buds. A paragon in the garden, providing unique, blazing color, all the more enhanced by a wide stripe down the center of the petal. Fertile both ways. JC AHS 2000.
[(Autumn Valentine x Betty Warren Woods) X Crimson Wind].


This plant has been said to grow in the following regions:

Maitland, Florida
Maryville, Missouri

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