The first step in preparing a garden bed is to find a suitable frame. It can be anything from landscape timber, railroad ties or two to ten concrete blocks. Also materials that are durable and strong enough to hold the soil can be used. The frame that we make should be hard enough to hold the soil and it is also important to protect the sides from collapsing. The bottom should be always open to make sure that we provide a good drainage.
It’s good to keep the width of the bed within two arm lengths so that it would be easy to reach any part of the garden without climbing over the bed.
The next important thing lies in choosing the soil and it’s always best to choose a soil that would ideally suit the plant you grow.
A drip hose can make your garden bed maintenance free and efficient. But still you can use a sprinkler or hand water the bed.
Using plastic mulch may help you to keep the weeds out and would make your bed maintenance free.
You can create your own style of garden beds depending on your desire.

Most sources on the history of bonsai trees note that a bonsai tree is literally a “plant in a pot” in Chinese. As far as bonsai tree maintenance is concerned, once your tree has been trained into the desired style, the maintenance part is easy.

Outdoor bonsai position:

Generally try to keep the bonsai out of a position of direct sunlight, where they receive good air circulation, relative humidity, and are in a place where they are easily accessible to you for maintenance.

Water frequently:

Generally if you keep your trees outside where rain can water them, you don’t need to worry much in the winter except in times of hot weather or little rain. In the summer you should endeavour to water your plants several times a week, and daily in very hot periods - where you should move the trees into the shade.

Fertilizers:

The most common is pellet-form (such as ‘Osmocote’). This is a slow-release fertilizer which will take care of feeding requirements for several weeks at a time and is probably the type of fertilizer most used by bonsai enthusiasts. Soluble powder and liquid feeds are also used for rapid effect over short-term periods. These are applied to the soil with a watering can and are used up relatively quickly.

Best types of plants to use for bonsai:

Trees/shrubs which are used more commonly for bonsai - and adapt quite well are evergreens such as Pine, Cypress, Camelia, Azalea, Pomegranate, Holly, Serissa, Fig (Rainforest and Mediterranean) and Cedar. Deciduous trees such as Cherry, Maple (Japanese and Trident), Zelkova and Beech are also prime candidates.

Source: http://www.bonsaisite.com/mainten1.html

Bricks always give a pleasant look in your outdoor areas. Bricks are generally used as walkways, drive ways, or simple landscaping. Keeping them clean and in good shape is one thing - but keeping those brick areas free of weeds is another all together.
Weeds will erase the good look in brick areas in less that couple of days. They may have cracks which will allow the weeds to survive. If your brick work is tightly put together as it should be, the cracks are much too small for you to pull out root structures once they’ve gotten a hold. There are several things that you can do to keep your brick area weed free.
The first thing is to scrape the area clean of all vegetation before you place the bricks down. Mark the areas you would like them to be and clear everything that is growing underneath them.
Make a dirt area to put your bricks. Treat the area with a weed killer, which may lesser the chances of weed growing later on.
Next, you need to lay down a layer of plastic between the ground and your bricks. Pack this tightly as possible. You want to have the plastic down as close to the ground and into the dirt as possible, so that there is no room for air or moisture to get to the dirt underneath the plastic. Try using old tent pegs, or something else to keep the plastic as flat as possible.
If you have a brick area that constantly has weeds, there are still some things that you can do about it. First and foremost, you are going to need a good weed killer. The reason that many weed killers don’t work on bricks is that they don’t kill the roots and the weed continues to grow. Therefore, you should be purchasing a weed killer that will work on the roots and that will kill the weeds completely. Also, you should be sure that you are treating the areas as often as is recommended to prevent re-growth.The best way to keep your brick area clean is to have constant care and attention