Every bonsai enthusiast knows the problem that there are times when he can't be at home and therefore can't water his bonsai trees himself. During the summer heat even long work days can be critical when the trees need to be watered frequently.
Now and then we want to travel for a weekend or longer and then we must make arrangements to insure proper care for our bonsai trees. Family members or neighbors are in most cases unable to cope with the trees' needs and