Arosa is an extra early, red skinned ware potato with cooking type B . This variety is suitable for the French Fries production. Oval tubers with smooth skin and yellow flesh. Resistant to PCN Ro1, Ro4, Ro5 and potato wart disease race 1. Best results for common scab, PVY, rhizoctonia, tuber rot and internal rust spot. It is adaptable to a broad variety climates, because it is very drought tolerant.


Maturity Very early
Plant type Intermediate
Growth habit Semi-upright
Color of flower Red-violet
Foliage development Rapid
Number of tubers Medium, High
Dormancy Low, Medium

Tuber characteristics

Tuber shape Oval
Flesh color Yellow
Eye depth Medium
Skin color Red
Skin characteristic Smooth


Nematodes Ro 1, Ro 4, Ro 5
Potato wart disease Race 1
Leaf blight Medium, High
Tuber blight High
Rhizoctonia Medium
Black leg High
Common scab Medium, High
Internal rust spot High
Damages Medium, High
Bruising Low, Medium
PVY Very high
PLRV Low, Medium

Yield and Quality

Market outlet Ware, Pre-packing, French fries
Yield Medium, High
Share oversize Medium
Share undersize Medium
Cooking type Fairly firm cooking
After cooking discoloration Low
Discoloration raw Low, Medium
Dry matter content Low, Medium