Climate
It is the weather and soil together that controls the growth of plants. Plants depend for their survival on temperature, rainfall and duration of exposure to sunlight. Both excessive heat and excessive cold can harm plants.
Water
One of the most important things that must be kept in balance in a plant is the intake of water by roots. This balance is affected by the amount of water in both soil and air, by air and soil temperature, by exposure to sunlight and wind and the efficiency of the root system. Water is held more tightly by clay soil than sandy ones. For newly planted plants, a daily sprinkle of water is enough .Too much water can have adverse effect of washing valuable plant food away.
Sunlight
Sunlight is important for the growth of plants but excessive light is harmful. So during summers, the plants should get light indirectly and not directly. In summers, days are longer, so plants should be kept under a shade or green house.
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