PlantsDaylilies→Daylily (Hemerocallis 'So Cold')

Data specific to Daylilies (Edit)
AHS link: AHS Daylily Cultivar Info
Hybridizer: Howard-R.
Year of Registration or Introduction: 2017
Foliage type: Dormant
Scape height: 40 in, (102 cm)
Bloom size: 5.5 in, (14 cm)
Bloom time: Midseason-Late
Plant Traits: Diurnal
Bud Count: 21-25
Branching: 4-way
Bloom Traits: Halo
Bloom Form: Single
Color description: pale amethyst fading to near white as day progresses, with lighter halo

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Flowers: Showy
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division
Ploidy: Tetraploid
Parentage: Mrs John Cooper x Piece of Sky

Photo courtesy of Rich Howard, CT Daylily

The 2014 All Things Plants Top 25 DayliliesThe 2014 All Things Plants Top 25 Daylilies
By dave on April 5, 2014

It's Daylilies Week, and we're opening the special event with a special report on the most popular daylilies, as judged by our members. How do we compile this list, and which cultivars got the award? Read on to find out!

(Full article6 comments)
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Photo gallery:
Photo courtesy of Rich Howard, CT Daylily
By Char
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Photo courtesy of Rich Howard, CT Daylily
By Char
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Photo courtesy of Rich Howard, CT Daylily
By Char
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Discussion Threads about this plant
Thread Title Last Reply Replies
My seedlings of 2020 by celestialrose Jan 18, 2021 8:41 PM 54
Prettiest Faces in Your Garden by shive1 Jan 19, 2021 9:09 AM 61
Can we develop some list for next year? by Seedfork Jan 11, 2021 8:31 PM 12
Your Top 10 Daylily Performers for 2020 by Zoia Jan 15, 2021 11:07 AM 61
OT ~ The Porch Swing ~ Winter 2020/2021 by Char Jan 21, 2021 10:38 PM 330
Weather In Your Garden ~ Winter 2020/2021 by Char Jan 21, 2021 10:14 PM 365
What are Your Best Northern Hardy True to Color Purple Tetraploid Daylilies by mainer35 Dec 1, 2020 8:40 PM 6
Which Daylily Do You Like Best? by Johannian Nov 28, 2020 6:35 PM 18
An experiment - Evergreen seeds - No cold stratification by bobjax Nov 17, 2020 2:00 PM 19
Transplanting in November Zone 6 by diytrying Nov 14, 2020 5:25 AM 10
Spring sickness by Ronny07 Nov 12, 2020 4:23 PM 11
Daylily Rust by JasonT Jan 5, 2021 2:53 PM 24
October 2020 Blooms by Charlemagne Nov 15, 2020 3:52 PM 196
Hi, I'm new by janwax Dec 1, 2020 7:20 PM 75
Weather In Your Garden ~ Fall 2020 (CLOSED) by Char Dec 21, 2020 5:28 AM 1,094
OT ~ The Porch Swing ~ Fall 2020 (CLOSED) by Char Dec 21, 2020 5:38 AM 1,173
This one was worth the wait by daylilly99 Oct 2, 2020 10:17 PM 37
September Blooms by Diggerofdirt Oct 4, 2020 8:26 AM 280
Evergreen VS Dormant by djinnevada Aug 23, 2020 10:43 PM 11
Canoeing in patterned daylilies by Bedmaker Aug 24, 2020 11:16 AM 20

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