Begonias can be grown in terrariums and some begonia even do better in one because the growing conditions can be nearly controlled . Begonias are a very divers family of plant life , offering a great variety of appearance . Many also bloom all year long , providing a year - round burst of color for an indoor terrarium .
Step 1
begonia do best with adept drain so the roots are never dowse in water , reduce off from oxygen . There is more than one way to create a suitable develop medium in a terrarium , but generally speak a loose , porous mix of equal parts peat moss ( dampen before use ) and perlite works well for begonias . Some mixes contain other components , such as gumption or vermiculite , which is fine . It might take some experimentation to enter out what works best in your terrarium , but stay away from pot mixing that contain grease as they can hold too much water . Another selection to try out with is range a bed of crushed rock or pocket-sized pebble under the originate spiritualist to aid with drain . Plain green sphagnum moss is another common growing medium for terrarium begonias . Wet the moss with red-hot water and squeeze out the inordinateness before placing it into the terrarium .
Step 2
Light
Begonias generally favour tincture , so keep them out of direct Sunday is a cardinal principle of develop them in terrarium . Give them filtered light , such as from a north or east windowpane in summertime or a south or west window in wintertime . Fluorescent lights also work well . Leave them under lights for 12 to 14 hours per day . Experiment with unreal and natural light and location free-base on where you live and seasonal change .
Moisture
While begonia do not wish their growing mass medium to be too wet and soggy , they do like eminent humidness . This is good word for the terrarium gardener , since a terrarium naturally keeps the moisture inside . calculate for a lower limit of 50 pct humidity to keep your begonia alive , but research the specific motley of plant life to find out the ideal humidity . Some type of begonia thrive between 60 and 80 percent humidness , while certain type do well with virtually 100 percent humidity . Mist the terrarium with H2O as frequently as need to keep the humidity in the proper range . calculate the H2O spray at the bottom of the terrarium , rather than on the begonia foliage , as water on the leaves can promote disease . apply a hygrometer to measure the humidness inside the terrarium .
Fertilizer
Growing plant in a terrarium creates a unequaled fertilization situation . Because the growing spiritualist will never be flushed out , the salts from fertilizer will remain in the grow medium and build up up over sentence . For this reason fertilize very niggling , if at all . If you fecundate , use a faint plant food diluted by one-half once a twelvemonth in the spring or summer .
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