Variety Days Treated Notes
Arianna 50 Crunchy flavor
Bibb 60 Early spring
Buttercrunch 65 More heat tolerant
Great Lakes 118 85 Large dark green head
Hanson Improved 80 Large yellow-green head
Iceberg 82 Most popular
Ithaca 80 N Cool weather
Marviella of Four Seasons 45-70 N French excellent flavor
Nevada 48 N Disease resistant
Summertime 70 N Slow to bolt