When trees recently root pruned are returned to normal light after a period of recuperation, they need a period of adjustment. Also needing adjustment time are newly purchased bonsai being introduced to a different environment.
Indoor bonsai that are moved outdoors should be acclimated to stronger light slowly. Once they are outdoors, gradually move them from shade into partial sun, and, if the species requires it, into full sun, until the desired amount of light is reached. Trees outdoors, receiving more light and moving air around them, dry out faster than plants indoors. Check for water daily, twice a day in hot weather. When preparing to bring trees back indoors, move them into less sun for two or three weeks to give them a period to acclimate to less light.
Indoor bonsai do not usually have the problem of too much light, however, if the sun is too strong, the leaves will burn, becoming scorched across the middle of their surface. These leaves will lose their rich green (a color not to be mistaken for the vigorous light green color of new growth). From too much light the foliage will press down, as though pushing away from light and heat.
The move inside will be less stressful to your tree if you keep in mind you are changing its environment. For one thing, the light indoors is never as intense as that outdoors. With the changes in light, temperature, and humidity, the trees’ water needs will also change. Do not water automatically; instead, check the soil to be sure the tree is ready for water. Also, to increase humidity begin misting on daily basis.
To allow the best light to reach all parts of the tree, turn your bonsai at least once a month. Turning is especially important when you grow plants indoors on a window sill.
Once you move a tree inside, decide the best location for the tree, then leave it there; do not move the tree from spot to spot or it will never adjust. Bonsai like serissa foetida will have a few yellow leaves whenever you change its position, whatever light it is in. Just let it adjust to its new setting. Other species too may have a few yellow leaves for one or two weeks. This is normal, but you should always remove discolored foliage, so you will know if and when discoloration stops.
Indoor Bonsai Moved to Outdoor
Indoor bonsai that are moved outdoors should be acclimated to stronger light slowly. Once they are outdoors, gradually move them from shade into partial sun, and, if the species requires it, into full sun, until the desired amount of light is reached. Trees outdoors, receiving more light and moving air around them, dry out faster than plants indoors. Check for water daily, twice a day in hot weather. When preparing to bring trees back indoors, move them into less sun for two or three weeks to give them a period to acclimate to less light.
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| Bonsai and Light Change image source: www.bonsaiotaku.com |
Outdoor Move to Inside
The move inside will be less stressful to your tree if you keep in mind you are changing its environment. For one thing, the light indoors is never as intense as that outdoors. With the changes in light, temperature, and humidity, the trees’ water needs will also change. Do not water automatically; instead, check the soil to be sure the tree is ready for water. Also, to increase humidity begin misting on daily basis.
To allow the best light to reach all parts of the tree, turn your bonsai at least once a month. Turning is especially important when you grow plants indoors on a window sill.
Once you move a tree inside, decide the best location for the tree, then leave it there; do not move the tree from spot to spot or it will never adjust. Bonsai like serissa foetida will have a few yellow leaves whenever you change its position, whatever light it is in. Just let it adjust to its new setting. Other species too may have a few yellow leaves for one or two weeks. This is normal, but you should always remove discolored foliage, so you will know if and when discoloration stops.
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