50 to 60 days — 'Ruby' is a beautiful leaf lettuce with intense red colors that holds under conditions where color fades in many other red lettuce varieties. 'Ruby' was bred by the USDA at Beltsville, Maryland and introduced in 1957.
It was an "All-America Selection®
" winner the following year in 1958. Each packet contains one gram, which is approximately 500 to 600 seeds.