Bulb onions 0 0 when is the crossover period for bulb onions? Pregnancy period? Fruit fill period? Or are bulb onions always in the leaf growth period? Plant Growth Management Share Facebook Twitter Google+ Tumblr LinkedIn Mail Helmut Klauer asked 5 years ago You must login to post comments Answers (1) Filter Sort by: Most Votes Newest FirstOldest FirstRandomRecently Active Post Answer Keyword Match all Match any Accepted/Unaccepted Show accepted answers only 0 0 Onion bulbs are modified leaves….. No fruit or flower FlereusBioAG answered 4 years ago You must login to post comments Showing 1 result Your Answer Please login first to submit.