, one should not keep a Bonsai indoors at all times. The best scheme for a Bonsai location is to keep the Bonsai outside Monday through Friday where it gets good exposure to nature, such as the locations mentioned above, then on Saturday and Sunday when you are home to enjoy it, bring your Bonsai inside and place it wherever you like as long as it is not placed directly in the path of a heating or air conditioning vent.In areas that have extremely high summer temperatures, it is very important that Bonsai be placed where it does not receive a lot of direct sunlight. The best type of shelter from the summer sun is a screened patio, lathe house, or something similar that can filter the suns rays. And, yes, a bench placed under a shade tree, watered by an automatic sprinkler system, is an excellent place to keep your Bonsai.Even though most Bonsai can withstand temperatures down to freezing and colder, we recommend that they be brought inside during such conditions and placed in a room near a window that gets good light but will not be subjected to the drying out affects of a heater or appliance. Sunlight through glass is ideal for Bonsai in winter but it is undesirable to have the room as warm as a greenhouse. During good weather the trees should be taken outside for fresh air and sunshine several times a week. Good soil, moisture and proper misting of the foliage is crucial during this period because evaporation occur rapidly indoors.Watering A BonsaiProbably more trees die as a result of improper watering than any other single cause. Not only will the lack of water and higher temperatures cause the roots to wither and die, but air penetrating the dry soil will also make it virtually impossible for later watering to be effective. So it is imperative that your Bonsai receives watering in a timely fashion. A good rule of thumb is to remember that Bonsai should be watered before the surface soil becomes dry. A lighting of color of the soil ...
