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Dec 10, 2015 6:01 PM CST Admin
Name: Jonathan Whitinger
Grapevine, TX (Zone 8a)
Garden Photography Hybridizer Hosted a Not-A-Raffle-Raffle Daylilies Region: Texas Celebrating Gardening: 2015
Forum moderator Million Pollinator Garden Challenge
Background history:

'Spiny Sea Urchin' is a semi-evergreen tetraploid introduced in 2003 by Stamile.

It has earned the following AHS awards:
Honorable Mention: 2007

This plant can be found in the ATP Plant Database at:
Daylily (Hemerocallis 'Spiny Sea Urchin') .

Please join in, if you own this plant! We would love to know more! I award an acorn for performance information posted to this thread.

Also, please consider adding a "Local Report" to the ATP Plant Database! Thank you!

Daylily (Hemerocallis 'Spiny Sea Urchin')
Dec 10, 2015 6:13 PM CST
Name: Liz Quinn
Statesville, NC (Zone 7a)
Bee Lover Birds Butterflies Cat Lover Composter Daylilies
Dog Lover Heucheras Region: North Carolina
Spiney Sea Urchin took a while to adapt to my garden. Now it blooms great. The bloom is low in the foliage, but the color is beautiful. Love the look . We used to be Scuba divers so I have several ocean Daylily reminders.
What doesn't kill you makes you stronger .
Dec 10, 2015 6:16 PM CST
Name: Cynthia (Cindy)
Melvindale, Mi (Zone 5b)
Daylilies Hybridizer Irises Butterflies Charter ATP Member Million Pollinator Garden Challenge
Birds Region: Michigan Vegetable Grower Hummingbirder Heucheras Lover of wildlife (Black bear badge)
This plant really struggles in my zone. I obtained it in 2010 as a single fan and it took 3 years to get 3 fans of it. I decided to send it south. Well, much to my surprise, I guess I didn't get all of it when I dug it out and it came back. I only have one fan and it is very small but I decided to give it another try. Hopefully it will bloom next year because I would like to use its pollen again since I did get one very nice toothy seedling from it.


Thumb of 2015-12-11/Hemlady/e7995a

Thumb of 2015-12-11/Hemlady/63c74a
Lighthouse Gardens
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Dec 11, 2015 11:47 AM CST
Name: Susiep
Wetumpka, AL (Zone 8a)
Cat Lover Daylilies Frogs and Toads Irises Pollen collector Region: Alabama
The WITWIT Badge Vegetable Grower
I got Spiny Sea Urchin earlier this year along with other plants. It has not done as well as some of the others. It seems to be struggling to adapt. If it doesn't come around next spring, it will have to find a new home.......
Dec 11, 2015 9:18 PM CST
Greencastle IN (Zone 5b)
Daylilies Hummingbirder Lilies Region: Indiana Dog Lover Echinacea
Butterflies Birds Lover of wildlife (Raccoon badge) Garden Photography Garden Ideas: Level 2 Celebrating Gardening: 2015
Someone was very generous and sent me a couple of fans a few years back. I loved it but after 2 years of struggling it finally vanished from my garden. I have been tempted to try it again but think it probably would have the same results.
“Once in a while it really hits people that they don’t have to experience the world in the way they have been told to.”
- Alan Keightley
Dec 11, 2015 9:50 PM CST
Name: Betty
MN zone 4b
Frogs and Toads Birds Hummingbirder Irises Lilies Peonies
Roses Garden Ideas: Level 1 Region: United States of America Hostas Garden Art Echinacea
Struggles here in zone 4, would not try to grow in our cold zone.
If you want to be happy for a lifetime plant a garden!
Faith is the postage stamp on our prayers!
Betty MN Zone4 AHS member

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Dec 12, 2015 4:37 PM CST
Name: Louise Alley
Central Maine, Waterville (Zone 5a)
I agree with Betty. The plant grows well, but a toothy flower seems very dependent on hot weather.
Dec 13, 2015 9:32 PM CST
Name: Pat Strong
Stone Mountain (Zone 8a)
Birds Orchids Irises Hummingbirder Houseplants Region: Georgia
Dragonflies Daylilies Dahlias Cut Flowers Garden Photography Butterflies
I received Spiny Sea Urchin a couple of years ago from an ebay order. It did not bloom the first year. This year it bloomed and I loved it. The bloom was low in the foliage and mine did not reach the hybridizer's listed height, but maybe next year. I got at least 15 blooms and loved every one of them. I started out with 2 fans and it has increased to 4. I like it so much that I'm considering adding a few more fans this spring. This is what looked like in my garden...
Last edited by Pat236 Dec 13, 2015 9:38 PM Icon for preview
Sep 30, 2016 3:41 PM CST
Name: Becky
Sebastian, Florida (Zone 10a)
Celebrating Gardening: 2015 Daylilies Hummingbirder Butterflies Seed Starter Container Gardener
Charter ATP Member I was one of the first 300 contributors to the plant database! Garden Ideas: Master Level Lover of wildlife (Black bear badge) Birds Ponds
Acquired 3 fans of Spiny Sea Urchin in August 2015 that I potted up. I later transplanted into a new raised bed in October 2015.

It bloomed for me this year (July 22, 2016). It produce a scape from each fan. Unfortunately, the scapes each produced a whimpy 2 buds each. Confused The fans are small and tend to be prone to thrip damage and some rust damage. The blooms were small on short scapes. I would like to think that the stats will improve with time?

Here are the stats:

Thumb of 2016-09-30/beckygardener/4747e8

Blooms (it's definitely got some gnarly teeth on the blooms):

Thumb of 2016-09-30/beckygardener/7a88c4

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And this is the whimpy fans. I am surprised it even produced scapes much less 2 blooms each. Geez!
Thumb of 2016-09-30/beckygardener/acad82

It is now Fall 2016 and the fans still look teeny and whimpy. BUT .... and this makes me laugh .... it now has increased to 3 small, pathetic fans!

But I do love the blooms despite it's poor foliage growth. Maybe it will have the last laugh and eventually turn into a vigorous clump with great foliage that is loaded with blooms?!!! Hilarious! Hilarious! Hilarious! Hilarious!
What lies behind us and what lies before us are tiny matters, compared to what lies within us.
Garden Rooms and Becky's Budget Garden
Last edited by beckygardener Sep 30, 2016 3:43 PM Icon for preview
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