Ask a Question forum: do autumn seeds suffer from heat

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Name: david sevitt
jerusalem israel
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davidsevit
Sep 2, 2015 11:17 AM CST
i just sowed last week some autumn\winter seeds.
i give them alot of water from underneath..but they are exposed to afternoon sun....i dont know because they are supposed to be cold-lovers if heat is bad for the them.should i put them in a darker and non-direct-sun location?some are starting to sprout...
Name: Jessie Worsham
Stockbridge, GA (Zone 8a)
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Jessie6162
Sep 2, 2015 11:29 AM CST
What type of plant are these seeds from?
Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Sep 2, 2015 8:46 PM CST
Some seeds need light to germinate; others germinate in the dark. What type of seeds did you plant?
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"
Name: david sevitt
jerusalem israel
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davidsevit
Sep 3, 2015 8:09 AM CST
this is the list:dimorphoteca
phlox
godetia
antirhinum
mathiola
escholzia
Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
Rabbit Keeper Critters Allowed Celebrating Gardening: 2015 Plant Identifier Garden Ideas: Master Level Garden Sages
Herbs Region: Georgia Region: United States of America Native Plants and Wildflowers Dog Lover Composter
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greene
Sep 3, 2015 8:33 AM CST
Some seeds require light to germinate; other seeds require darkness to germinate.
Here is a link with a chart to show 'L' light and 'D' requirements for many types of seeds.
http://www.ipm.iastate.edu/ipm/hortnews/2000/2-25-2000/annfl...
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"
Name: Elaine
South Sarasota, Florida (Zone 9b)
The one constant in life is change
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dyzzypyxxy
Sep 3, 2015 8:45 AM CST
I would think the seeds themselves are fine with sun and heat, but once they germinate the baby seedlings could easily be fried by direct sunlight as intense as you are getting.

You might consider propping up a thin cloth over them, for their first week or two, so they will get bright light but not direct sun. I have what we call "frost cloth" that cuts the sun's intensity by about 20% and it is perfect for seedlings out in the sun.

Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill

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