Flower growing in a discarded basket, a cookie tin, and an empty oil jug: the balcony is bursting with plants and flowers

For people who love growing flowers, they are always observing the things around them, wondering whether this or that could be used to grow plants. In fact, growing flowers does not cost much money. If you have no soil, you can go to the countryside and dig up some garden soil. If you have no flower pots, you can make your own...