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Gardening has a long history. It is one of the oldest pastimes(消遣) in the world. Roses are known to be on the earth before there are human beings and now there are 300 kinds of roses grown in gardens. Gardening is so big a subject that you will spend your whole life learning about it.
People have different preferences(偏爱的事物) for gardening. Some may enjoy having their own flower gardens and cutting flowers for their homes. Some may prefer to grow fruit and vegetables for food. Many people like keeping plants in their homes, which is light work. With flowers or plants in a room, the house can be more beautiful.
There are different things to be done in a garden in different seasons. There is a time to sow(播种), to cut off branches and to do many other jobs. Besides, you must also have some knowledge about the soil in your garden, fertilizers and weed killers if you want to get high yields(产量).
Today, indoor gardening is more and more popular. Hundreds of plants are grown indoors. To keep the indoor plant healthy, you have to follow certain rules. In heated rooms, plants need plenty of moisture(水分). They have to be carefully watered and the leaves should be sprayed(喷洒). Potted plants(盆栽植物) are better to be kept on windowsills. The sunlight helps to keep the leaves green. Fresh air is also needed if the weather is good.