Daylily
Hemerocallis 'Imperial Lemon'

Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info)
Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info)
Cultivar: Imperial Lemon
Hybridized by Harris-Benz
Registered or introduced: 1985
» View all varieties of Daylilies

Height:

24-36 in. (60-90 cm)

Spacing:

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Hardiness:

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

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:

Unknown - Tell us

Propagation Methods:

By dividing the rootball

By dividing rhizomes, tubers, corms or bulbs (including offsets)

Bloom Time:

Early midseason (EM)

Reblooming (Re)

Flower Size:

Large (more than 4.5" diameter)

Blooming Habit:

Diurnal (diu.)

Flower Type:

Single

Bloom Color:

Bright Yellow

Color Patterns:

Self

Flower Fragrance:

No fragrance

Foliage Habit:

Semi-evergreen (sev.)

Ploidy:

Tetraploid

Awards (if applicable):

Honorable Mention

Regional

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

Solsberry, Indiana

Durham, Maine

Gladwin, Michigan

Wyoming, Minnesota

Orrville, Ohio

Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Neutral

On Dec 23, 2014, DaylilySLP from Dearborn Heights, MI (Zone 6a) wrote:

Lemon yellow self with green throat. (Matthias Tet. Frank Hunter)

Positive

On Jan 22, 2009, Mainer from Durham, ME (Zone 3a) wrote:

So far doing fine in the raised wooden beds and it looks lovely with Vermeer lilium. Hardy in my zone and beautiful. Unlike Galena Moon though, it has problems in rain with white marring on the petals. My guess is snails pestering certain daylilies this year. .