Patent Document ID: 20060096174
Application ID: 11253792
Patent Flag: 0

Claim One:
1. A watering warning device ( 1 ) for determining watering intervals for at least one plant to be monitored, having at least one moisture content sensor ( 2 ), a timer ( 6 ) and an evaluation unit ( 3 ), wherein the evaluation unit ( 3 ) is designed for determining the time of the next necessary watering operation for the at least one monitored plant in dependence on a characteristic watering curve over time, the watering curve being determinable in a self-learning manner in at least one learning phase from a low moisture value, measured at a watering time (t G ), the high moisture value (FG H ), measured after completion of the watering operation following the watering time (t G ), and the time until the low moisture value (FG N ) is reached again, determined with the timer ( 6 ) or extrapolated.