Daylilies forum: Damp Stratification in Vermiculite ?

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Name: Michelle Lester
Yukon, Oklahoma (Zone 7b)
hemhead in zone 7
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keyi
Jul 14, 2012 10:38 PM CST
I read somewhere (and now cannot find it) that putting your daylily seeds in damp vermiculite in your fridge for 4 weeks or so will help them break dormancy. I have some I got this year that have been soaking in H2O2 water, in baggies, for 4 weeks with no germination. They were stored in the fridge before I got them.
Has anyone done this with the vermiculite? Any other suggestions. Can I just throw the baggies into the fridge with the H2O2 water and fore go the vermiculite and get the same result? Confused Confused Confused
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Name: Michele
Cantonment, FL zone 8b
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tink3472
Jul 15, 2012 5:15 AM CST
There are a so many different ways to do this. I tried the germination in the baggies in the fridge one time and none germinated. But from the article in the Daylily Journal fall 2010, the goal is not to have them germinate in the fridge. You want the cold temps in the fridge to break dormancy and then they will germinate faster once they are at room temp.
I have tried the damp paper towels to germinate and it works ok but to me it's just too much trouble. Rich on the auction also mentions the vermiculite in his "about me" . He doesn't have any listings right now so you can't see his "about me" page.

The article used vermiculite, perlite, sand, coffee filter. They put the seeds in each medium in the fridge for 4 weeks and them removed them and put them at room temp. It still took seeds up to 4 weeks to geriminate. The highest germination was in the vermiculite, 97% germination after 4 weeks at room temp. Results for sand and perlite were equally good it says.

I guess if starting them indoors or you have very limited space for seedlings it would be good; to me it is just too much trouble to do all the pre-germination.
If it takes 2-4 weeks (sometimes longer) to get germination by soaking or whatever method is used, I could go ahead and plant them in the seed trays and still wait that long for them to germinate. I have heard some people say they get germaination after 3 days or a week by soaking in the H2O2 water. I have a lot already poking their heads up after 3 days just by planting them in the seed trays.

My thing is why do all the extra work, if I put them in the fridge for 4 weeks that a whole month they could have already been planted and growing and then I'm a month behind on planting. But here we have to get the seedlings in the ground by Sept 15th so we really need all the seeds planted by Aug 1st in order for most to be 5-6 weeks along.

I'm sure other peole will chime in because some on here have used various methods.
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Name: Cynthia (Cindy)
Melvindale, Mi (Zone 5b)
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Hemlady
Jul 15, 2012 5:18 AM CST
I'm with you Michele. I direct sow right from the fridge into pots outdoors. I sowed 14 pots this summer and so far only 3 crosses have not germinated. I had some sprouting after 1 week and most sprouted in 2 weeks.
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Name: Juli
(Zone 5b)
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daylily
Jul 15, 2012 5:46 AM CST
I skip the refrigerator. I air dry the seeds, keep them on a bookshelf in little paper envelopes, then plant outside right before winter. Usually in November. In April, they start coming up. I have pretty good germination!

caitlinsgarden
Jul 15, 2012 8:15 AM CST
Is it too late to plant the seeds I refrigerated all winter?
Name: Michele
Cantonment, FL zone 8b
Seller of Garden Stuff Region: United States of America Pollen collector Dragonflies I was one of the first 300 contributors to the plant database! Region: Florida
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tink3472
Jul 15, 2012 8:26 AM CST
I wouldn't think it's too late plant them. This is the time we are all starting to plant them.
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Name: Jan
Hustisford, WI
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philljm
Jul 15, 2012 5:49 PM CST
I also don't think it's too late to plant them. Without humans collecting seed pods, they would be ripening from now through fall, and then the seeds would drop onto the ground, and some would germinate naturally ~Jan

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