Annuals forum: Which annuals do you seed in the fall?

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Name: Caroline Scott
Calgary (Zone 4a)
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CarolineScott
Sep 14, 2010 8:29 PM CST
Which annuals do you direct seed outdoors in fall?
Name: Karen
Cincinnati, Oh (Zone 6a)
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kqcrna
Sep 15, 2010 6:50 AM CST
Larkspur do great direct sown in fall. They usually sprout before the winter freeze here and winter over as tiny seedlings. Poppies and bachelor buttons tend to do the same for me.

Karen
Name: Carolyn Madden
Pennsylvania
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Carolyn22
Oct 6, 2010 12:34 PM CST
Karen

good idea. What zone are you in?
Name: Bev
Garner, NC 7b
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tggfisk
Oct 6, 2010 8:22 PM CST
Never thought of that, wonder if they would do the same here? I collected some bb seeds in the early summer. Time for an experiment?
Name: Caroline Scott
Calgary (Zone 4a)
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CarolineScott
Oct 7, 2010 9:16 AM CST
I asked the question and then forgot about it.
So far I have sowed some perennials and biennials.
Cerastium alpina
Lychnis Alba

Dill is my one sowed annual so far.
Name: Carolyn Madden
Pennsylvania
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Carolyn22
Oct 7, 2010 10:34 AM CST
Columbine would do well too. They like the freezing and thawing. I noticed that I do better with the seed I spread for columbine during the summer than if I try to WS them or start them in the greenhouse.....
Name: Caroline Scott
Calgary (Zone 4a)
Charter ATP Member Region: Canadian Bulbs Winter Sowing Enjoys or suffers cold winters Lilies
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CarolineScott
Oct 10, 2010 6:52 AM CST
I had sowed columbine seeds in my new north of house shade garden.
Yes, they seem to do best by direct seeding.
Name: Karen
Cincinnati, Oh (Zone 6a)
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kqcrna
Oct 10, 2010 3:49 PM CST
I think the real trick to germinating columbine is getting them fresh. When picked from the plant and thrown on the ground, (or dropped naturally by the plant) they sprout like crazy. Once the seeds sit around for a while, it gets tough to overcome their dormancy.

That said, I have germinated regular old commercial columbine seeds by wintersowing. Not all sprouted, germination rate was lower than some other plants, but I got enough sprouts.

Karen
Name: Pippi21
Silver Spring, Maryland 20906 (Zone 7a)
Pippi21
Aug 20, 2012 4:41 AM CST
I know Carpet of Snow alyssum is an annual and I wonder if I left it where it is planted now during the winter, if it will reseed itself and show back up in the Spring? I seem to recall that some reappeared for me one year but the memory is faint, was it alyssum or something else?
Name: Karen
Cincinnati, Oh (Zone 6a)
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kqcrna
Aug 20, 2012 4:47 AM CST
They sometimes reseed for me. Sometimes it's in fall, then the seedlings die off over winter. But some years they wait until spring. Depends on the weather I guess. Shrug!

Karen
Name: Joanne
Calgary, AB Canada (Zone 3a)
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Joannabanana
Aug 20, 2012 9:41 AM CST
Caroline,

Do have success sowing poppies in the fall?
Name: woofie
NE WA (Zone 5a)
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woofie
Aug 20, 2012 10:54 AM CST
Don't know about your zone, Joanne, but the poppies here have a mind of their own and sow themselves in the fall, and try to take over the entire garden (as well as other spots!) in the spring. Hilarious!
Confidence is that feeling you have right before you do something really stupid.
Name: Caroline Scott
Calgary (Zone 4a)
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CarolineScott
Aug 21, 2012 9:10 AM CST
Not annual poppies---but Iceland poppies can be fall sown, or they sow their selves.
Annual poppies like cooler conditions so I try to sow early spring.(papaver somnifleurum).
Shirley poppies like warmer, so wait until May for Shirley poppies (papaver rhoeas).
[Last edited by CarolineScott - Aug 21, 2012 9:12 AM (+)]
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N.B. Canada (Zone 3b)
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Ziggy
Sep 7, 2012 8:35 PM CST
I'm kind off late on this thread, but will add Calendula, and Cerinthe major. They can be sown in the fall. I have some Cerinthe popping up from some plant I had growing there two yrs ago, that have self sown.
Name: Caroline Scott
Calgary (Zone 4a)
Charter ATP Member Region: Canadian Bulbs Winter Sowing Enjoys or suffers cold winters Lilies
Peonies Plant Lover: Loves 'em all! Garden Ideas: Master Level
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CarolineScott
Sep 8, 2012 6:58 AM CST
Do the new varieties of Calendula grow from fall sowing?
My calendula does not self seed the way it used to.
I am wondering if this is because I have been introducing new varieties?
Or maybe critters are taking the seeds?
Name: Allison
NJ (Zone 6a)
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Onewish1
Sep 8, 2012 9:57 AM CST
the critters taking my seeds .. a big problem here
Name: John Dyer
Louisville , Ky
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oldherbacious
Dec 27, 2012 10:20 AM CST
The following flowers volunteer in my garden in the fall.
Johnny jump ups
oriental poppies
shirley poppies
somniferum poppies
larkspurs
forget me nots
foxglove
Nigella
Most of these are prolific and need to be weeded out. I do have some white Shirley poppies that I am going to sow as it snows. I have had good success in sowing them on top of the snow.




Name: Caroline Scott
Calgary (Zone 4a)
Charter ATP Member Region: Canadian Bulbs Winter Sowing Enjoys or suffers cold winters Lilies
Peonies Plant Lover: Loves 'em all! Garden Ideas: Master Level
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CarolineScott
Dec 28, 2012 9:43 AM CST
What a great list of self seeders, you have.
It depends on the year here----I did seed several on top of snow.
I will see which seeds survived the deep freeze to the minus 25 or so!
Name: Karen
Cincinnati, Oh (Zone 6a)
Forum moderator I was one of the first 300 contributors to the plant database! Cut Flowers Winter Sowing Charter ATP Member Seed Starter
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kqcrna
Dec 28, 2012 9:59 AM CST
Cold temps and freezing aren't a problem for seeds, Carolyn. For directly sown seeds, problems arise from stuff like rotting from wet, or being carried off and/or eaten by critters. Some also simply wash away...

Karen
Name: Caroline Scott
Calgary (Zone 4a)
Charter ATP Member Region: Canadian Bulbs Winter Sowing Enjoys or suffers cold winters Lilies
Peonies Plant Lover: Loves 'em all! Garden Ideas: Master Level
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CarolineScott
Dec 29, 2012 8:01 AM CST
I think that I over seeded so if some are lost---there will be some that survive.
I have always wondered about seed tolerance to cold?

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