Professional

Summer butter head Description:

Dark and vivid brilliant green leaves, with compact and voluminous head, about 500 grams weight.
Its resistance to bolting and the lettuce mosaic virus makes it adapt for the summer sowinging.
Sowinging: April-August.
Harvestinging: May-October.
Resistance: HR BI 1-16(Bremia Latucae) and IR LMV (lettuce mosaic virus).