Irises forum: Germinating Siberian Iris seeds

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Name: Chris Pollock
Copperas Cove, Tx (Zone 8a)
Greenhouse Region: Texas Orchids Adeniums Cactus and Succulents Hibiscus
Dog Lover Seed Starter Garden Ideas: Level 1
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chris1948
Apr 8, 2016 8:20 PM CST
I've gotten some Siberian Iris seeds and I'd like to know what the easiest way to get these to germinate is.
Chris
Name: Linnea
Southern Maine, border 5b/6a (Zone 5b)
Irises Winter Sowing Plant and/or Seed Trader Permaculture Composter Organic Gardener
Garden Art Daylilies
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Linneaj
Apr 8, 2016 8:51 PM CST
I wrapped mine in wet paper towel and plastic bagged them for 2 months in the fridge. Then I planted them in a small flower pot in the house. They are about 9 inches tall. I will put them out in a partially shady spot this June and move them to a sunnier spot when they have good roots.
Don't make fear based decisions.
Name: Chris Pollock
Copperas Cove, Tx (Zone 8a)
Greenhouse Region: Texas Orchids Adeniums Cactus and Succulents Hibiscus
Dog Lover Seed Starter Garden Ideas: Level 1
Image
chris1948
Apr 8, 2016 8:56 PM CST
Thanks Linnea, I wonder if it matters when I bag and refrigerate them? I'd like to get some started as soon as possible. Did you close the baggie all the way or leave it open for air? Were there already roots forming when you took them out?
Chris
Name: Marilyn
Central California (Zone 9b)
Region: California Bee Lover Butterflies Birds Enjoys or suffers hot summers Composter
Annuals Dog Lover Cat Lover Irises Celebrating Gardening: 2015
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Moiris
Apr 8, 2016 9:02 PM CST
Welcome Chris!! I don't grow Siberians but it sounds like Linnea has the experience to help you.

I don't think I've seen you here before! I'm glad you stopped by! Welcome!
Name: Debra
Garland, TX (NE Dallas suburb) (Zone 8a)
Service dogs: Angels with paws.
Dragonflies Dog Lover I was one of the first 300 contributors to the plant database! Garden Photography Bee Lover Plays in the sandbox
Butterflies Region: Texas I sent a postcard to Randy! Charter ATP Member Annuals Garden Sages
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lovemyhouse
Apr 8, 2016 9:04 PM CST
Welcome, Chris. Smiling
If you don't ask, the answer is always 'no.'
Name: Linnea
Southern Maine, border 5b/6a (Zone 5b)
Irises Winter Sowing Plant and/or Seed Trader Permaculture Composter Organic Gardener
Garden Art Daylilies
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Linneaj
Apr 8, 2016 9:27 PM CST
I closed the bag so the seeds stay damp. Mine didn't sprout in the bag. When I planted them, I used Happy Frog Potting Soil mixed with vermiculite. If you are going to leave them in the pot, use a bigger one. You can also plant them outside if you have enough warm season left. I would keep them out of too much sun and drying until they mature.

If the seeds are from this year, let them dry out before bagging.
Don't make fear based decisions.
[Last edited by Linneaj - Apr 8, 2016 9:29 PM (+)]
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Name: Lucy
Hamilton, MA (Zone 6b)
irises
Charter ATP Member Cottage Gardener Enjoys or suffers cold winters Region: United Kingdom Region: Northeast US Irises
Region: United States of America
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irisarian
Apr 8, 2016 10:32 PM CST
all iris seeds need cold to germinate.
Minnesota and Alaska (Zone 3a)
freezengirl
Apr 8, 2016 10:52 PM CST
I have had excellent results in my northern climate with winter sowing outdoors. I put them in a pot with seed starting mix, pot has drainage hole on the bottom, cover with plastic and small hole in the plastic then set them outside for the winter. In the spring they come up beautifully. I just monitor them for moisture and to make sure the mini greenhouse affect does not cook them with the spring sunlight and warmth.
Name: Marilyn
Central California (Zone 9b)
Region: California Bee Lover Butterflies Birds Enjoys or suffers hot summers Composter
Annuals Dog Lover Cat Lover Irises Celebrating Gardening: 2015
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Moiris
Apr 8, 2016 10:56 PM CST
Welcome freezengirl! Looks like you picked a very appropriate name! I don't think I've seen you here before. Welcome!

Region: California Cat Lover Irises Enjoys or suffers hot summers Dog Lover
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iciris
Apr 8, 2016 10:56 PM CST
Welcome! Chris and Freezengirl, hope both of you enjoy the Iris forum.
Name: Debra
Garland, TX (NE Dallas suburb) (Zone 8a)
Service dogs: Angels with paws.
Dragonflies Dog Lover I was one of the first 300 contributors to the plant database! Garden Photography Bee Lover Plays in the sandbox
Butterflies Region: Texas I sent a postcard to Randy! Charter ATP Member Annuals Garden Sages
Image
lovemyhouse
Apr 9, 2016 5:58 AM CST
@freezengirl

Hi! Happy to see you over here. Big Grin
{{waving}}
If you don't ask, the answer is always 'no.'
Name: Arlyn
Whiteside County, Illinois (Zone 5a)
Irises Beekeeper Region: Illinois Celebrating Gardening: 2015
crowrita1
Apr 9, 2016 7:12 AM CST
Welcome! Welcome!
Name: Bonnie Sojourner
Harris Brake Lake, Arkansas (Zone 7a)
Magnolia zone
Region: United States of America Region: Arkansas Master Gardener: Arkansas Irises Bulbs Seed Starter
Gardens in Buckets Garden Art Plant and/or Seed Trader Moon Gardener Garden Ideas: Master Level Celebrating Gardening: 2015
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grannysgarden
Apr 9, 2016 7:31 AM CST
Welcome! .... and stay awhile.
I love my garden.... and Jesus, and coffee, and naps.......
Name: Chris Pollock
Copperas Cove, Tx (Zone 8a)
Greenhouse Region: Texas Orchids Adeniums Cactus and Succulents Hibiscus
Dog Lover Seed Starter Garden Ideas: Level 1
Image
chris1948
Apr 9, 2016 7:35 AM CST
Thanks Marilyn, I've been on ATP for awhile just didn't have a need to stop by this forum until I found my Siberian Iris seeds.
Chris
Name: Chris Pollock
Copperas Cove, Tx (Zone 8a)
Greenhouse Region: Texas Orchids Adeniums Cactus and Succulents Hibiscus
Dog Lover Seed Starter Garden Ideas: Level 1
Image
chris1948
Apr 9, 2016 7:48 AM CST
Thanks everyone for all the welcomes and help on getting them going. Since where I live in Texas we don't have enough seriously cold days to do any winter sowing I'll have to go with putting these in the fridge for a couple of months. I know the few seeds I have are not very new but I ordered some from eBay last night that are supposed to be from last year. So basically all I need to do at any time is wrap them in a damp paper towel, put in a plastic baggie and place in the fridge for a couple of months keeping the paper towel damp. I understand this removes the germination inhibitor from the seed? After the 2 months I'll place them in my 2"x2" 1020 tray inserts and cover with the dome. Does that all sound about right? Do these need to go into a couple different sized pots before going into the ground like some of my plants or can they go from the inserts directly to the ground? Sorry for all the questions but my wife saw these and found out I had some seeds and really wants me to give them a try.
Chris
Minnesota and Alaska (Zone 3a)
freezengirl
Apr 9, 2016 9:17 AM CST
Thank you all for the warm welcome.
@Chris1948- I should think that your plan would work just fine. The only thing that would concern me is the size of the tray pot you put them in. Because of the intense heat you get in the summers there I would put each seedling in an individual 3-4 inch pot to start them out. Siberian Iris like moisture so I would err on the side of more soil to hold in moisture for each seedling. I would also be careful about keeping them out of the direct sun during the heat of the day, maybe on the east side of a building?
Name: Chris Pollock
Copperas Cove, Tx (Zone 8a)
Greenhouse Region: Texas Orchids Adeniums Cactus and Succulents Hibiscus
Dog Lover Seed Starter Garden Ideas: Level 1
Image
chris1948
Apr 9, 2016 10:39 AM CST
Great idea Freezengirl, I've got a bunch of small nursery pots, I hoard those. I could put them on the east side of one of my greenhouses. One sits under a tree that has it in the shade most of the day which should work. Sterile seed starting mix with some perlite would be ok for starting these won't is? Then as they grow move to potting mix.
Chris

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