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PlantFiles: Daylily
Hemerocallis 'Rojo Alto'

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Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info)
Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info)
Cultivar: Rojo Alto
Hybridized by Roberson; Year of Registration or Introduction: 1989

» View all varieties of Daylilies

Height:
36-48 in. (90-120 cm)

Spacing:
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:
Midseason (M)

Flower Size:
Large (more than 4.5" diameter)

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

Flower Type:
Unknown - Tell us

Bloom Color:
Red

Color Patterns:
Self

Flower Fragrance:
No fragrance

Foliage Habit:
Semi-evergreen (sev.)

Ploidy:
Diploid

Awards (if applicable):
Unknown - Tell us

Click thumbnail
to view:

By hemlady
Thumbnail #1 of Hemerocallis  by hemlady

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive QJP On Apr 27, 2011, QJP from Yorba Linda, CA wrote:

This daylily flower is as beautiful as an orchid, is extremely showy both close and from a distance, and easy to grow (no pests). However, in its first season last year, it did not rebloom. This season it started blooming in mid-April (southern California) and I'm waiting to see if it behaves any differently.

Regional...

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

Yorba Linda, California
Wayzata, Minnesota
Auburn, New Hampshire
Hulbert, Oklahoma



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