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PlantFiles: Daylily
Hemerocallis 'Spiny Sea Urchin'

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Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info)
Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info)
Cultivar: Spiny Sea Urchin
Hybridized by Stamile; Year of Registration or Introduction: 2004

» View all varieties of Daylilies

15 members have or want this plant for trade.

Height:
24-36 in. (60-90 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:
Non-patented

Propagation Methods:
By dividing the rootball

Bloom Time:
Early midseason (EM)
Reblooming (Re)

Flower Size:
Large (more than 4.5" diameter)

Blooming Habit:
Diurnal (diu.)

Flower Type:
Single

Bloom Color:
Violet/Lavender

Color Patterns:
Edge

Flower Fragrance:
Slightly Fragrant

Foliage Habit:
Semi-evergreen (sev.)

Ploidy:
Tetraploid

Awards (if applicable):
Honorable Mention

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to view:

By Calif_Sue
Thumbnail #1 of Hemerocallis  by Calif_Sue

By Melissa_Ohio
Thumbnail #2 of Hemerocallis  by Melissa_Ohio

By DaylilySLP
Thumbnail #3 of Hemerocallis  by DaylilySLP

By DaylilySLP
Thumbnail #4 of Hemerocallis  by DaylilySLP

By LilyLover_UT
Thumbnail #5 of Hemerocallis  by LilyLover_UT

By lilydaydreamer
Thumbnail #6 of Hemerocallis  by lilydaydreamer

By RobinsNestEggs
Thumbnail #7 of Hemerocallis  by RobinsNestEggs

There are a total of 10 photos.
Click here to view them all!

Profile:

1 positive
No neutrals
1 negative

Gardeners' Notes:

RatingAuthorContent
Positive NatsDirt On Jul 13, 2014, NatsDirt from Waxhaw, NC wrote:

A beautiful daylily with perfect, gorgeous blooms that really stand out in the garden. The bright yellow spines that edge its blooms of light and deep lavenders is where it got it's name. Can use some partial shade as the day gets hotter or the dark color can wear off and look splotchy, which is true of all darker daylilies. Use slow release fertilizer that is low in Nitrogen, like Osmocote, twice during the growing season. One daylily grower with whom I spoke recommended Milorganite once in addition to the Osmocote. You'll love this tall re-bloomer in your garden and will want to put it where visitors can see it.

Negative SusieSunflower On Jun 22, 2009, SusieSunflower from Wichita, KS (Zone 6a) wrote:

This is absolutely the ugliest thing I have ever seen. Honest. I was so excited about it when I saw the photographs posted here after I bought it in 2007 and couldn't wait for it to bloom the following summer. But to say I was disappointed doesn't begin to describe my reaction to it. Its color is pale & washed out with barely any yellow around the edges, but the worst part is that the petals have numerous white splotches more often than not. It is no better in 2009 than it was in 2008. All my other daylilies are gorgeous and live up to the photographs posted of them on this site, but not Spiny Sea Urchin. A real bummer.

Regional...

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

San Jose, California
Dayton, Kentucky
Marlborough, Massachusetts
Dearborn Heights, Michigan
Melvindale, Michigan
Tawas City, Michigan
Akeley, Minnesota
Waynesboro, Mississippi
Cut Bank, Montana
Egg Harbor City, New Jersey
Elizabeth City, North Carolina
Waxhaw, North Carolina
Fate, Texas
Smithfield, Virginia
Oconomowoc, Wisconsin



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