sweet spanish yellow utah jumbo onion
Are these onions long day or intermediate day length? Can't find anything specific to this variety, so thought I would ask. Thanks for your help.
Douglas County Oregon
A good article on day length.
Sweet spanish utah jumbo onion - are long day, takes 128 days from seed to harvest.
Short - 12 hours
Intermediate - 13-15 hours
Long - 14-16 hours