Juniper bonsai trees can be propagated indoors and outdoors. You can make them as wonderful displays at the same time. Growing a juniper bonsai tree is very manageable, and even a beginner in bonsai cultivation can handle all the care and maintenance required by the juniper bonsai tree.
It is best to expose your juniper bonsai tree to direct morning sunlight and place it on a shaded area during midday and afternoon to prevent it from getting afternoon sunlight. Afternoon sunlight is just too intense for your juniper bonsai tree, unlike morning sunlight. Morning sunlight has low intensity and it would not cause any harm to it. Juniper bonsai trees can thrive to bright sunlight, and you can expose them up to four hours. If you allow too much sun exposure this can cause weakness to the bonsai tree, and can probably lead to dehydration which is very deadly.
Soil and Bonsai Pot
When choosing a soil for your juniper bonsai tree, you should purchase a mixture of soil that has a good draining quality. You can purchase a good soil mixture from garden centers and nurseries. You can also make your own soil mixture as long as you will use soil components that will still promote drainage. A good bonsai pot for your juniper bonsai tree should have adequate drainage holes at its bottom. The drainage holes will allow the excess water from the soil to spill out, and this will prevent clogging of water inside the pot. When excess amounts of water have remained in the pot, it can drown your bonsai tree, which will eventually lead to rotting of its root system.
Watering your juniper bonsai tree is very important to maintain its hydration status. If you have supplied lesser amounts of water, it will not satisfy the water requirement of your little tree and this will compromise its normal growth and development. Giving too much water is bad as well because this can cause root rotting. Ideally, you should water your juniper bonsai tree during morning to allow absorption of water, and the soil will get dry at evening. But when you give water during afternoon, the soil will not dry out until the evening, and this will put your bonsai tree at risk for developing fungal infection.
You should use a high quality fertilizer that is primarily composed of nitrogen, phosphorus, and potassium with equal parts. It should be a mild organic fertilizer. You need to apply this every spring season, the season wherein the growth of your bonsai tree is at its peak. But when the fall season comes, the fertilizer that you should use must contain less nitrogen. During winter months, allow your bonsai tree to go through the dormancy period and the application of fertilizer is not needed at this time. Another important thing you should remember is that when your bonsai is weak, you must never give fertilizer.
Repotting and Root Pruning
You should perform root pruning cautiously to prevent causing injury to the fine roots of the root system. Repotting for younger juniper bonsai trees and as well as to bonsai that is planted to a small container should be done once in a year. If you have an older bonsai or if you have sowed it in a big container, you should repot it once in 2 to 4 years.