Winter Sowing forum: Can I simulate winter sowing?

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Name: Liz Shaw
Gilbert, AZ (Sunset Zone 13) (Zone 9a)
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LizDTM
Feb 25, 2017 3:14 PM CST
I live in Arizona, so we don't have the cold winters that seem to be necessary to make this work. I cannot get my watermelon seeds to germinate. What do you think of putting the seeds in the freezer overnight and then in the refrigerator during the day? And how long would I need to do that before I tried again?
And the day came when the risk to remain tight in a bud was more painful than the risk it took to blossom. -Anaïs Nin
Name: Caroline Scott
Calgary (Zone 4a)
Charter ATP Member Plant Lover: Loves 'em all! Peonies Lilies Enjoys or suffers cold winters Winter Sowing
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CarolineScott
Feb 25, 2017 9:01 PM CST
Do watermelon seeds need a chill?

But yes, of course you can simulate WS using frig and / or freezer.
The seeds should be on moist medium in a plastic bag or container.

Moist vermiculite or moist paper towels work well.

I am going to check on that----I want to germinate those little cuca melons----later for here.
Name: Liz Shaw
Gilbert, AZ (Sunset Zone 13) (Zone 9a)
Arizona Gardener
Enjoys or suffers hot summers Region: Southwest Gardening Region: Arizona Ponds Aquaponics Hydroponics
Herbs Container Gardener Vegetable Grower Gardens in Buckets Cactus and Succulents Miniature Gardening
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LizDTM
Feb 25, 2017 9:24 PM CST
An Arizona plant guide says I should have sown them outside in the ground in early January for them to come up in January, so I'm thinking the cold is the missing piece. So thanks for the advice! I'm going to give the ones I just put out another week, and then, I'll do the freezer/refrigerator thing.
And the day came when the risk to remain tight in a bud was more painful than the risk it took to blossom. -Anaïs Nin
Name: Deb
Buffalo, Minnesota (Zone 4b)
Region: Minnesota Birds Cactus and Succulents Hostas Hummingbirder
dmurray407
Feb 26, 2017 8:13 AM CST
Watermelon seeds don't need a chill period to germinate. In areas that have freezing temperatures, we have to wait until after the "last average frost date" to sow watermelon seeds outside. They like warm soil-and a long warm growing season to reach maturity. I know that in Arizona things need to be planted early to reach maturity before it gets really hot, so maybe that's why your guide says to plant them in January. I would plant the watermelon seeds whenever you would normally put out your tomato plants. Maybe you just had a bad batch of seed? I had the best batch of watermelons ever when we lived in Phoenix-they came up all by themselves as volunteers :)

At this point I think you should just plant them in the garden and not try to start them indoors :)

Deb
[Last edited by dmurray407 - Feb 26, 2017 8:16 AM (+)]
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Name: Caroline Scott
Calgary (Zone 4a)
Charter ATP Member Plant Lover: Loves 'em all! Peonies Lilies Enjoys or suffers cold winters Winter Sowing
Bulbs Region: Canadian Garden Ideas: Master Level Million Pollinator Garden Challenge
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CarolineScott
Feb 26, 2017 8:50 AM CST
I agree --everything that I can find says warmth and the more warmth the better! I wonder if your seeds are just too dry? If you have lots of seeds--It might be an idea to soak some over night to help them imbibe water before they are planted. I also see one article suggests planting watermelon seeds with the pointy part up?
Name: Liz Shaw
Gilbert, AZ (Sunset Zone 13) (Zone 9a)
Arizona Gardener
Enjoys or suffers hot summers Region: Southwest Gardening Region: Arizona Ponds Aquaponics Hydroponics
Herbs Container Gardener Vegetable Grower Gardens in Buckets Cactus and Succulents Miniature Gardening
Image
LizDTM
Feb 26, 2017 8:40 PM CST
I did plant some outside last week and it's in my back yard, which is west facing, so they should be nice and warm most of the day. It was almost 80 out there today. So maybe by next week, I can get some action!
And the day came when the risk to remain tight in a bud was more painful than the risk it took to blossom. -Anaïs Nin

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