This flexible variety offers bolt and tipburn resistance for summer production. Heavy heads are more upright than Muir and somewhat darker in color. MT0-30.Disease Resistance:Downy Mildew (EU) races 29–41 (High)Lettuce Leaf Aphid Nasonovia ribisnigri (High)Lettuce Mosaic Virus (Intermediate)Specs:Packet: 250 seedsAvg. 28,500 seeds/lb