Perennials forum: are delphiniums pereninial?

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springfield MO area (Zone 6a)
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Frillylily
Jun 15, 2013 9:15 PM CST
I found some really bright blue delphiniums at walmart and I wonder if they will really come back again next year? Does the plant return, or does it seed?
I don't have very good luck with seeds. But the blue color was too alluring!
Name: Caroline Scott
Calgary (Zone 4a)
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CarolineScott
Jun 16, 2013 4:22 AM CST
Which delphinium did you buy?
The tall delphinium elatums are perennial.
The shorter delphinium grandiflorum are re- seeding annuals.
Name: Susan
Southeast NE (Zone 5b)
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stilldew
Jun 16, 2013 7:55 AM CST
The tall ones are short lived perennials for me. I have 4 that are 3 years old now and I think that's the longest I've ever gotten them to live.
Name: Bob
Vernon N.J. (Zone 6a)
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NJBob
Jun 16, 2013 4:59 PM CST

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Tried them a few times and only once did it overwinter and did not come back the 3rd year.
Name: Betty
MN zone 4
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daylilydreams
Jun 16, 2013 6:09 PM CST
I have one thatI picked up at our aboretum sale at least 8 years ago so far it comes back every year. It gets quite tall and bushy I cage it to keep it upright or the wind will knock it over. Seems to me like the name was blushing bride it is a pink.
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[Last edited by daylilydreams - Jun 17, 2013 7:39 AM (+)]
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Name: Calin
Weston-super-mare UK (Zone 7b)
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fixpix
Jun 17, 2013 1:42 AM CST
Mine (tall, white and bloom ones) do come back year-after-year.
But some were killed in the drought last summer.
Winter freeze is OK.
Name: Cinda
Indiana Zone 5b
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gardengus
Jun 17, 2013 5:13 AM CST
They seldom come back here for me.
You have a better chance if you cut the bloom stalk after blooming and don't let the plant put energy into seed.
Keep believing ,hoping,and loving
all else is just existing.
Name: Caroline Scott
Calgary (Zone 4a)
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CarolineScott
Jun 17, 2013 6:43 AM CST
There are many different varieties of delphiniums.
You need to talk to other gardeners in your area to find which ones work for them.
Some delphiniums are less hardy, and some are monocarpic and die after flowering.
Name: virginiarose
Virginia
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virginiarose
Jun 17, 2013 11:08 AM CST
Most seem to be for zone 3-7 and some of the more popular varieties are listed here. (link). I love that blue one it reminds me of Lupine from a distance. I think I will try some, now see what you did? Enablers!! Rolling on the floor laughing

http://www.bhg.com/gardening/plant-dictionary/perennial/delp...
Susan

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Name: Deb
Pacific Northwest (Zone 8b)
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Bonehead
Jun 17, 2013 12:29 PM CST
I buy one or more every year and plant them in the same general area. They are short lived for me, so some years I have more of an impact that others. I love the dark blue with the darker blue bee, sometimes hard to find, I think it is of the Pacific Giant strain. Looks like this was from a year of very few blooms, or I just snapped this one solo.


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Name: virginiarose
Virginia
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virginiarose
Jun 17, 2013 2:21 PM CST
Deb, good advice! I was noticing that they are for zones 3-7 and I think it is too hot for them here in zone 8. They like cool summers? Where do you find a cool summer in zone 8? Confused
Susan

In the spring, at the end of the day, you should smell like dirt.....Margaret Atwood
springfield MO area (Zone 6a)
I was one of the first 300 contributors to the plant database! Plant Identifier
Frillylily
Jun 17, 2013 10:55 PM CST
the one I got is not tall like a spike like that, and it has fine foliage. I don't care if it dies, as long as it makes seeds. Why would it matter as long as they are still there?
Do they bloom the first year from seed?
Name: Caroline Scott
Calgary (Zone 4a)
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CarolineScott
Jun 18, 2013 1:40 AM CST
My experience is that the grandiflorum type ( also called Chinese delphinium) flowers from early sown seeds.
The perennials take a year or two before they flower.
Name: virginiarose
Virginia
Money talks but Chocolate Sings!
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virginiarose
Jun 18, 2013 5:49 AM CST
I do like the spiky ones. I will buy a couple and use them as an annual.

Lovey dubby Deb, yours is gorgeous!! Lovey dubby
Susan

In the spring, at the end of the day, you should smell like dirt.....Margaret Atwood
Name: Julie
Roanoke, VA (Zone 7a)
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floota
Jun 19, 2013 11:35 AM CST
Back when I was a younger ( read "inexperienced") gardener, I kept trying them here and they behaved mostly like annuals. They do not tolerate our hot dry summers here at all. So, I think the answer is, it depends entirely on your climate. I grow spiky perennials now that DO tolerate this climate. Back in 2008, I've never been so shocked as when I was on a National Daylily tour in Houston, TX, and one of the garden had blue delphiniums! They HAVE to be grown as annuals in that hot climate. I can't imagine them surviving a summer in Houston!
Name: Stephanie
Salem, OR (Zone 8b)
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kosk0025
Jun 24, 2013 4:44 PM CST
They are short lived perennials. Usually live around 4 years. They prefer a neutral soil pH, so they benefit from lime in most areas (or planted near concrete such as a sidewalk or a foundation). The New Zealand delphiniums are now considered to be the best---tall sturdy stems that often do not need staking.

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[url=www.poppiesandthistle.com]www.poppiesandthistle.com[/url]
Name: virginiarose
Virginia
Money talks but Chocolate Sings!
I was one of the first 300 contributors to the plant database! Garden Ideas: Level 1 Avid Green Pages Reviewer Hibiscus Dragonflies Daylilies
Bee Lover Dahlias Butterflies Hostas Birds Lilies
virginiarose
Jun 24, 2013 5:52 PM CST
Very nice! Do you know any one who sells them?
Susan

In the spring, at the end of the day, you should smell like dirt.....Margaret Atwood
Name: Rick Corey
Everett WA 98204 (Zone 8a)
Sunset Zone 5. Koppen Csb. Eco 2f
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RickCorey
Aug 9, 2013 12:24 PM CST
My Pacific Giant Delphinium elatum (from seed) was advertised as a short-lived perennial in Zones 2 through 5 or so, but 4+ years in Zone 7 and up.

Mine got bigger and better for three years, then disappeared. But I didn't deadhead it completely, and always let some spikes go to seed.




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Name: Deb
Pacific Northwest (Zone 8b)
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Bonehead
Aug 9, 2013 2:07 PM CST
I have a spot for delphs and just add to it every year. I do notice that some of my favs disappear now and again, I assume they outlive their short lives. The ones I really like, which are hard for me to find, are the deep blue with an almost black eye. So vivid. I'm fairly certain this guy is in flower-heaven:


I want to live in a world where the chicken can cross the road without its motives being questioned.
Name: Arlene
Grantville, GA (Zone 8a)
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abhege
Aug 9, 2013 2:52 PM CST
Awww. So pretty. I do not have any luck with them. Or limited, so I just admire others. Green Grin!

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