Daylily 'Rock Solid'

Hemerocallis

Family
Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee)
Genus
Hemerocallis (hem-er-oh-KAL-iss)
Synonym
Height
24-36 in. (60-90 cm)
Spacing
24-36 in. (60-90 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Sun Exposure
Full Sun
Sun to Partial Shade
Bloom Color
Lavender
Medium Purple
Cream/Tan
Bloom Time
Early midseason (EM)
Reblooming (Re)
Other Details
Propagation Methods
By dividing the rootball
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Flower Fragrance
Very Fragrant
Flower Size
Large (more than 4.5" diameter)
Flower Type
Single
Blooming Habit
Diurnal (diu.)
Foliage Habit
Dormant (dor.)
Ploidy
Tetraploid
Color Patterns
Eyezone
Edge
Awards (if applicable)
Award of Merit (or runner-up)
Honorable Mention
Patent Information
Non-patented
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Regional

This plant is said to grow outdoors in the following regions:

Maysville, Missouri

Cut Bank, Montana

Elizabeth City, North Carolina

Rumford, Rhode Island

Shoreline, Washington

Weston, West Virginia

Tomah, Wisconsin

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Gardener's Notes:

1
positive
1
neutral
0
negative
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S
Rumford, RI (Zone 5b) | July 2012 | positive

It's amazing how daylilies can look different from garden to garden, with changes in soils & temps. I was worried about getting Rock Soli...Read More

C
(Zone 9a) | October 2006 | neutral

Hybridizer notes:
ROCK SOLID (Stamile,P) TET (Inner Destiny x Francois Verhaert) 27” EMRe. vfr. early morning opener, Dor....Read More

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