Germination seeds.

Hi
Does it matter that when trying to germinate seeds in a greenhouse the day temperature are good 20 to 40c but night time can be much colder...no frost.
Im trying to grow some black eyed susan vine...and at present there on a sunny windowsill ?
Thanks kevin.
Does it matter that when trying to germinate seeds in a greenhouse the day temperature are good 20 to 40c but night time can be much colder...no frost.
Im trying to grow some black eyed susan vine...and at present there on a sunny windowsill ?
Thanks kevin.
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