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Avatar for rickobermey
May 15, 2020 9:16 AM CST
Thread OP
Rockford, Michigan zone 5b
When starting onions from seed, do they require a heat mat? Is there a list somewhere that specifies which plant variety requires a mat and those that do not?
May 15, 2020 4:03 PM CST
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier

I don't know if there's a list but, if you Google "germination temperature for ______", you will find information about whatever you put in the blank.

For onions: "Onion germination is fastest as 68-77°F (20-25°C), with slight temperature drops at night."
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
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