Daylilies forum: daylily hardiness

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Name: Linda Curtis
Prince Edward Island, Canada (Zone 5b)
Nov 5, 2015 4:09 PM CST
Hello Fellow daylily nuts! I am in need of some advice; I went totally overboard last winter and, from the comfort of my lazy boy and with the ease of the internet, ordered over 200 new daylilies (yes, I know, I'm certifiable)! Now I'm wondering about the hardiness of some of them. If it's risky to leave them out in the elements, I would pot them up and move them to our greenhouse.We are in zone 5B and were wondering if anyone in our zone (or close) has had experience with the following plants:
Baracuda Bay
Bed Of Nails
Blonde's Beach
Bubba On Tour
Buddy's Blondy
But Now I See
Buntyn's Hot Diggity Dog
Caesar's Head
Chang Dynasty
Dark Night Dynamite
Diamond Silk
Don't Mess With Me
Dr Marc c Laroche
Dragonfly In Flight
Dream Window
Frank's Catnappin'
Glamour Puss
God Save The Queen
I Wanna Piranha
Jacqueline Kennedy Onassis
James Prissy Kristi
Jefferson Davis
Ledgerwood's Cherry Jubilee
Leslie Renee
Levi Davis
Linda Beck
Mandalay Bay Music
Mandarin Seas
Mystic Image
Mort Morss
Oklahoma Sand Burr
Prince Vladimer
Radio Rider
Red Friday
Romeo Prince
Sacred Ibis
Song Of The Empire
Spacecoast The Black Hole
Spiny Sea Urchin
Stellar's Jay
Stencilled Impressions
Sunset Rendezvous
Terry Lininger
Thelma Douglas
Tropical Hot Flash
Vow Of Silence
I know that's a long list! I would very much appreciate any advise you have for me.
Thanks in advance!

Name: June
Rosemont, Ont. (Zone 4a)
Lover of wildlife (Raccoon badge) Native Plants and Wildflowers Cat Lover Birds Cactus and Succulents Butterflies
Dragonflies Garden Ideas: Level 1
Nov 5, 2015 5:00 PM CST
I'm not familiar with any of the names in your list, but I'm pretty sure that only evergreen varieties might be tender in your Zone. If you see your plants getting ready for winter by dying back and going dormant, they should be OK. Any that stay green might need some protection from extreme cold & drying winds.
Name: Lin
Florida (Zone 9b)
Region: United States of America Morning Glories Region: Florida Houseplants Charter ATP Member I was one of the first 300 contributors to the plant database!
Garden Procrastinator Birds Butterflies Bee Lover Hummingbirder Container Gardener
Nov 5, 2015 5:11 PM CST
Hi Linda, Welcome to All Things Plants!!

Wow, from that long list it looks like you are going to have the most beautiful garden on PEI next year! You sure ordered some beauties and I hope that once you get blooms you will share photos with us!

I don't know much at all about Daylilies, I'm fairly new to growing them myself and I live in Florida so I can't offer much advice on growing in your area. You can click on each link below that will take you to our database entry for each of the beauties on your list. Hopefully other members from your zone will pop in with advice and tips.

Daylily (Hemerocallis 'Archaeopteryx')
Daylily (Hemerocallis 'Baracuda Bay')
Daylily (Hemerocallis 'Barcode')
Daylily (Hemerocallis 'Bed of Nails')
Daylily (Hemerocallis 'Blondes Beach')
Daylily (Hemerocallis 'Bubba on Tour')
Daylily (Hemerocallis 'Buddy's Blondy')
Daylily (Hemerocallis 'But Now I See')
Daylily (Hemerocallis 'Buntyn's Hot Diggity Dog')
Daylily (Hemerocallis 'Caesar's Head')
Daylily (Hemerocallis 'Chang Dynasty')
Daylily (Hemerocallis 'Dark Night Dynamite')
Daylily (Hemerocallis 'Diamond Silk')
Daylily (Hemerocallis 'Don't Mess with Me')
Daylily (Hemerocallis 'Dr Marc C. Laroche')
Daylily (Hemerocallis 'Dragonfly in Flight')
Daylily (Hemerocallis 'Dream Window')
Daylily (Hemerocallis 'Frank's Catnappin'')
Daylily (Hemerocallis 'Glamour Puss')
Daylily (Hemerocallis 'God Save the Queen')
Daylily (Hemerocallis 'Iwanna Piranha')
Daylily (Hemerocallis 'Jacqueline Kennedy Onassis')
Daylily (Hemerocallis 'James' Prissy Kristi')
Daylily (Hemerocallis 'Jefferson Davis')
Daylily (Hemerocallis 'Ledgewood's Cherries Jubilee')
Daylily (Hemerocallis 'Leslie Renee')
Daylily (Hemerocallis 'Levi Davis')
Daylily (Hemerocallis 'Linda Beck')
Daylily (Hemerocallis 'Mandalay Bay Music')
Daylily (Hemerocallis 'Mandarin Seas')
Daylily (Hemerocallis 'Mystic Image')
Daylily (Hemerocallis 'Mort Morss')
Daylily (Hemerocallis 'Oklahoma Sand Burr')
Daylily (Hemerocallis 'Prince Vladimir')
Daylily (Hemerocallis 'Radio Rider')
Daylily (Hemerocallis 'Red Friday')
Daylily (Hemerocallis 'Romeo Prince')
Daylily (Hemerocallis 'Sacred Ibis')
Daylily (Hemerocallis 'Song of the Empire')
Daylily (Hemerocallis 'Spacecoast the Black Hole')
Daylily (Hemerocallis 'Spiny Sea Urchin')
Daylily (Hemerocallis 'Steller's Jay')
Daylily (Hemerocallis 'Stenciled Impressions')
Daylily (Hemerocallis 'Sunset Rendezvous')
Daylily (Hemerocallis 'Terry Lyninger')
Daylily (Hemerocallis 'Thelma Douglas')
Daylily (Hemerocallis 'Tricolor')
Daylily (Hemerocallis 'Tropical Hot Flash')
Daylily (Hemerocallis 'Tusk')
Daylily (Hemerocallis 'Vow of Silence')

~ Eat, Sleep .... Play in the dirt ~
Playing in the dirt is my therapy and I'm in therapy a lot!
Name: Linda Curtis
Prince Edward Island, Canada (Zone 5b)
Nov 5, 2015 6:49 PM CST
Hi Everyone,
I have researched these on ATP, but am unsure if they will survive here; some evergreens and semis are hardy here, others die or struggle.
Must be great to live where you can garden all year round, Lin! Although by late fall I'm ready for a rest!
May have some photos to post later.
Name: Steve Todd
Illinois (Zone 5b)
Region: Illinois Plant and/or Seed Trader Daylilies Enjoys or suffers cold winters
Nov 5, 2015 8:29 PM CST
Hi Linda,

I grow Dragonfly In Flight and Mandalay Bay Music, and have for many years. We are the same zone. I don't do pots and don't have a greenhouse. Plants get no special treatment here. I would say if you typically get a lot of snow, then your plants will have a better survival rate.

Name: James
South Bend, IN (Zone 5b)
Hostas Enjoys or suffers cold winters Birds Seed Starter Annuals Region: Indiana
Region: United States of America Dog Lover Daylilies Container Gardener Plant and/or Seed Trader
Nov 5, 2015 8:34 PM CST
Welcome! Linda.

I grow MORT MORSS and LESLIE RENEE in the ground here. They have both been through rather rough winters. Worth noting we do average a decent mount of snow (~80 inches a year) with stretches of constant snow cover.

I will say that @philljm who is in Wisconsin has tried TUSK at least once and lost it so you might want to bring that one in.
[Last edited by JWWC - Nov 5, 2015 8:35 PM (+)]
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Name: Lisa Klette
Dayton, KY (Zone 6a)
Daylilies Garden Art Plant and/or Seed Trader Region: Kentucky Hostas Sempervivums
Dahlias Celebrating Gardening: 2015
Nov 6, 2015 5:07 AM CST
I agree with James. Tusk has been discussed before and many of us in zones 6 and lower (myself included) have lost Tusk so it does not appear to be hardy in colder climates.

Love what you teach and teach what you love!
Name: Cynthia (Cindy)
Melvindale, Mi (Zone 5b)
Hybridizer Irises Butterflies Charter ATP Member Birds Cat Lover
Region: United States of America Region: Michigan Vegetable Grower Daylilies Hummingbirder Heucheras
Nov 6, 2015 5:31 AM CST
Hi Linda.

I had Archaeopteryx for 1 year. The 2nd winter I lost it.

I have Baracuda Bay, Caesar's Head and Linda Beck and they have done well for me.
Lighthouse Gardens
Name: Kayleigh
(Zone 5a)
Cat Lover Seed Starter Canning and food preservation Plays in the sandbox Lilies Hummingbirder
Irises Daylilies Cut Flowers Butterflies Region: Indiana Vegetable Grower
Nov 6, 2015 7:07 AM CST
I agree Baracuda Bay should be fine. Also Spiny Sea Urchin should be fine.
However, God Save the Queen can be tender. I would protect it.
Name: Linda Curtis
Prince Edward Island, Canada (Zone 5b)
Nov 6, 2015 7:22 AM CST
Hi All,
Well, I can scratch a few off the list! We do have plenty of snow here, but not necessarily all winter. Last winter we didn't have much until Feb; then we were buried in snow until April! I understand it's the freeze/thaw thing that does most of the damage.
Thanks for your advise everyone. Love talking about plants Especially daylilies!
Name: Glen Ingram
Macleay Is, Qld, Australia (Zone 12a)
Kaspar, the cat that loved you
Region: Australia Annuals Canning and food preservation Herbs Tropicals Foliage Fan
Plays in the sandbox Cactus and Succulents Garden Photography Hybridizer Composter Sedums
Nov 6, 2015 8:33 AM CST
Welcome! Welcome! Welcome! to ATP Linda.
Have you seen a Pygmy Hippopotamus?
Name: Char
Vermont (Zone 4b)
Daylilies Forum moderator Garden Ideas: Master Level Celebrating Gardening: 2015 Hosted a Not-A-Raffle-Raffle Region: Vermont
Dog Lover Hybridizer Enjoys or suffers cold winters Garden Photography Keeper of Poultry Organic Gardener
Nov 6, 2015 5:56 PM CST


Leslie Renee, Linda Beck, Song of the Empire and Stenciled Impressions have all been here quite a few years. They've overwintered without any trouble or special treatment in my zone 4 garden. Temps can get - 30 to - 40, normally with snow cover but a few years ago we had an open winter with no snow. They still did fine.
Levi Davis is another one in the garden, it does struggle a bit in the spring to come up but catches up quickly and blooms.
Name: Alex
Warren, VT- Green Mtns. (Zone 4b)
Daylilies Region: Vermont Garden Ideas: Level 1 Dog Lover Birds Vegetable Grower
Seed Starter Butterflies Bee Lover Hummingbirder Dahlias Lover of wildlife (Raccoon badge)
Nov 8, 2015 7:23 PM CST
Linda: I am in Zone 4b, and have had 'Change Dynasty' growing in my garden for many years. It's a superb plant and does very well here with all the snow and bitter cold temps. Bloomed its heart out this past summer, and never looked better.

I agree with the member that mentioned your evergreens. I have 'Blonde's Beach' as well. It bloomed well the first summer it was here, but did not bloom last summer, after one of the coldest Winter's ever in Vermont. However, it did add several extra fans. I have covered it this Fall with leaf foliage and pine boughs for the coming Winter. The good news is that my garden is 100% dormant now. I did not add any new plants this past summer. It's the evergreen plants in our colder zone that you have to be careful with.

Good luck with all those lovely daylilies. Thumbs up
Name: Jan
Hustisford, WI
I was one of the first 300 contributors to the plant database! Cat Lover Daylilies Dog Lover Irises Region: United States of America
Region: Wisconsin
Nov 8, 2015 7:48 PM CST
Yes, I lost Tusk after 2 years. It never did well, and never bloomed.

Sometimes the actual hardiness has nothing to do with the plant, it can be a combination of soil conditions, how frigid it gets, mulching, and how well the plant is doing when winter arrives. I also think that sometimes plants that are doing really really well at the end of a growing season expend all their energy before winter and don't do well the next year if winter and spring are rough.

Plus, it's not only winter that can affect daylilies. I tend to have more problems if spring is very wet and damp and cold with extremes in temperature ( warm weather followed by cold and damp) causing daylilies to break dormancy then rot.

I personally have evergreens, semi regrets and dormants, although I try to be more aware of evergreens I my area. I also use leaves and mulch, especially if they are newer. Snow is actually a great barrier to extreme temperatures - it's the freezing and thawing that are hard on plants. . After that, they are on their own. If I am thinking about an evergreen, I try to find information on how it does in this zone prior to purchasing.

The only one I have from your list was Tusk, and as previously mentioned, even though I babied it, I lost it.

PS - welcome to ATP!
Name: Linda Curtis
Prince Edward Island, Canada (Zone 5b)
Nov 8, 2015 7:57 PM CST
Hi Alex,
Thanks for the advise! I have lots of evergreens and semis that do very well here, but determining which ones will do well and which will not is a matter of experience. If I have more than one fan, I intend to put one in the greenhouse and leave one out. I guess it's the only way to tell and what works one year may not the next!
When you said your garden is 100% dormant now, did you mean you got rid of all the plants that aren't dormant? I agree about Chang Dynasty! It is a beauty.
Name: Gerry Donahue
Pleasant Lake, IN (Zone 5b)
Hostas Garden Ideas: Level 2
Nov 8, 2015 9:23 PM CST
Hello, Linda.

I live in zone 5b and the following daylilies have grown well in my garden:

Barracuda Bay
Dark Night Dynamite
God Save The Queen
I Wanna Piranha
James Prissy Kristi

Having deep snow does help.

Name: Alex
Warren, VT- Green Mtns. (Zone 4b)
Daylilies Region: Vermont Garden Ideas: Level 1 Dog Lover Birds Vegetable Grower
Seed Starter Butterflies Bee Lover Hummingbirder Dahlias Lover of wildlife (Raccoon badge)
Nov 9, 2015 12:23 AM CST
Linda: You made me smile. No I did not get rid of all my dayliles that weren't dormant. Because all my plants have been in the garden for over many very cold winters, 100% have gone dormant. 'Dormancy' simply put means all the foliage dies back to the ground during winter. The plant then forms new leaf buds at the crown of the plant. As opposed to 'Evergreen' where the foliage above ground remains green and alive throughout the year. It may stop growing in colder weather, but the plant attempts to keep its leaves going. Usually, for the most part, the more dormant a daylily is, the better it will live in colder climate; and along the same lines, daylilies that are more evergreen will not grow as well in colder climates. Those evergreens are the plants we 'baby' each year as we close our gardens for Winter. For nearly 80% of daylilies, their foliage truly represents their hardiness. But as with everything in life, Linda, there are exceptions to the above.

Hard Dormants- These plants die well into the ground and form hard buds during winter. You can poke your fingers into the ground and feel something that feels a lot like a hazelnut just beneath the surface. These daylilies are truly the hardiest of all, and have been known to survive in certain areas of a zone 3 climate.

Soft Dormants- These plants die back to ground level and form buds that can sometimes feel a bit squishy. They do not shut down quite as well as hard dormants do. There growth also appears earlier in the Spring, and as a consequence are suseptible to late frosts, a problem we all face here in the Northeast. Grumbling
Name: Tim
Omaha, NE (Zone 5b)
Nov 9, 2015 6:29 AM CST
I'm still new to the newer daylilies. Took a break from gardening for a while.

But I've used this link as a guide when buying new plants. I also try and see if others on ATP have grown it in my zone or lower.
Name: Maurice
Grey County, Ontario (Zone 4b)
Nov 9, 2015 9:19 AM CST
I've used this link as a guide when buying new plants. I also try and see if others on ATP have grown it in my zone or lower.

Not all the daylilies in the list are registered as evergreens. I have only checked a few but some are registered as semi-evergreens and some are registered as dormants.

Name: Sue Petruske
Wisconsin (Zone 5a)
Nov 9, 2015 10:25 AM CST
I think snow "cover" is key. My daylilies suffer the most over the winters that we don't get a lot of snow cover. I have bark/mulch on my daylilies (not super heavy) and although I don't have any of the ones on your list, I do have some evergreen and quite a few semi-evergreen. I have never lost any. Giving them some kind of mulch protection will definitely be a plus, especially being their first year. Best of luck, they are all beauties!!

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