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Species Daylily, Tall Daylily
Hemerocallis altissima

Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info)
Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info)
Species: altissima (al-TISS-ih-muh) (Info)
Hybridized by Stout
Registered or introduced: 1943
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Height:

4-6 ft. (1.2-1.8 m)

Spacing:

24-36 in. (60-90 cm)

Hardiness:

Unknown - Tell us

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:

Non-patented

Propagation Methods:

By dividing the rootball

Bloom Time:

Late Midseason (MLa)

Flower Size:

Small (3" to 4.5" diameter)

Blooming Habit:

Nocturnal (noc.)

Flower Type:

Single

Bloom Color:

Bright Yellow

Color Patterns:

Self

Flower Fragrance:

Unknown - Tell us

Foliage Habit:

Dormant (dor.)

Ploidy:

Diploid

Awards (if applicable):

Unknown - Tell us

Regional

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

Levittown, New York

Hulbert, Oklahoma

Gardeners' Notes:

No details have been posted.