Climate

• Potato can be successfully cultivated in the high ranges of Kerala.
• Can be cultivated in the rain shadow areas of Idukki district throughout the year.
• A day temperature : 20-30^oC (optimum for growth and tuberisation in potato).
• Tuber formation is adversely affected, if the temperature goes above 30^oC.

Soil

• Loose friable sandy loam or silt loam, rich in organic matter are ideal for potato.
• Hard clay should be avoided.
• Optimum pH : 5.2-7.0

Season

Crops can be raised as shown below in the eastern part of Idukki district.
• Summer : March-April
• Autumn : August-December
• Spring : January-February