Lactuca sativa
.5 grams or about 300 seeds per seed package
Vivian is a tightly bunched romaine, 12-16 inch long leaves, 4-6 inches across with broad dark green crisp leaves, bolt resistant, suitable for commercial growers.
Erect dark green leaves are great for baby leaf production.
Excellent for Caesar salads. Doesn't wilt or loose its shape easily.