Juniper also botanically termed as Juniperus procumbens is a shrub. It is an evergreen shrub that is widely popular in US. It is grown as a bonsai tree and is indigenous to South of Japan. The leaves appear like needles and in juvenile form. It is a dioecious shrub with beautiful canopy and bark. It is due to this feature it is ideal for beautifying a rock garden or borders. It can control erosion and is a hardy shrub. Some essential factors for juniper bonsai tree care for achieving a healthy and beautiful juniper are as below:
It is very important to take care not to pinch junipers as they de-energise its growth as the growing tip is damaged. The tips are source of energy for them and pinching weakens them and thereby the growth. Pruning can be done by cutting off the stems which are dry and overgrown. To maintain its height new shoots and buds can be pricked off.
This bonsai needs partial sunlight in the filtered or shaded form. It can be provided direct sunlight during the morning time. Thin the foliage in order to let the sunlight in evenly in the shrub. The location of the bonsai should be in a ventilated place.
This juniper bonsai thrives well in a temperature of 25- 45 degree F. In freezing conditions, it is best to move the bonsai indoors. Move it outdoors if the temperature outside is above 40 degrees.
These shrubs are hardy and can tolerate even cold climates but certain amount of protection from cold during winter is certainly essential.
This bonsai has moderate water needs. It is important to keep the bonsai moist most of the time. Use a spray to mist this bonsai. Check the soil around the bonsai and water it if it appears dry. Let the upper soil of the bonsai dry out before next watering. Take care not to dry out the entire soil of the pot. In winter the water feed can be minimized. Do not over water or under water the plant as this can kill the juniper. To let moisture built around the juniper bonsai, it is best to place a water tray beneath the pot.
This bonsai requires a bonsai or an organic fertilizer, at least, once in 2 weeks. The bonsai can be fertilized in summer and spring. Fish emulsion can be preferably used. The fertilizer should be having an ideal balance of phosphorous, nitrates and potassium. The fertilizer feed can be slowed down during winter and late summer. It is essential not to over fertilize the plant leading to damaging the plant.
This juniper bonsai needs pruning in spring season. This is done to encourage new growth and to maintain the size of the bonsai. New growth needs regular pruning by debudding to keep its height. The shoots and buds can be eradicated with a scissor.
Repotting is recommended after 3-5 years when fresh new buds appear. It is preferable to keep them in shade once they are freshly repotted for the roots to rejuvenate.
Spider mites tend to attack these juniper bonsais which can be removed by washing them off with water. An insecticide can be sprayed for about 3 weeks.
The above mentioned specifications shall maintain the juniper bonsai tree care to its utmost health providing a lively, well grown and beautiful juniper bonsai.