Lettuce Iceberg Sumarnas RZ Seeds

Lettuce Sumarnas RZ

Sumarnas RZ is an well-shaped iceberg lettuce from Rijk Zwaan. It is strong against tipburn with resistances against Bremia and Nasinovia. Sumarnas RZ is a good variety for early spring outdoor production.

Key Characteristics of Sumarnas RZ Lettuce

Well-shaped head

Strong against tipburn

Wide package of resistances

Growth time: 45 – 70 days

Average Weight: 550g

Growing Season: Spring to Autumn

Resistance (HR): Bl:29-37,40,41EU/Fol:4/Nr:0

Growing Schedule

Sowing: Week 10 – 26

Planting: Week 14 – 30

Harvesting: Week 18 – 39