In their dormancy during the winter, hops are frost hardy. Dry warm weather is the ideal for the spring work. During tendril development more warmth is needed and is most crucial during umbel development. A year long average temperature of 8 - 9°C and sunshine for 1800 to 1900 hours a year is necessary.

Temperatur 30ig jähriges Mittel

The graph shows the temperatures spread over the months of the year in the Tettnang area in a 30 year mean.

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