The tuberous begonia , Begonis x tuberhybrida , is a intercrossed cross of specie from South America and Southern Africa . Many cultivars have been developed , result in upright or trailing tuberous begonias and single or doubled bloom tuberous begonias , but they all need the same maturate conditions . All can thrive in garden beds , containers or raised beds . The trailing begonias are a in effect fit in hang baskets and windowpane boxes .
Soil
A deep well - drained soil is needed for the begonia to thrive . They farm best in container that are at least 6 in rich or in raised beds that have soil that has been loosened to a depth of about a foot . An constitutive mixture of 1/3 backbone and 2/3 peat spagnum peat or leaf mold is considered an ideal planting medium that will give right drain .
The tuber should be planted slightly below the soil line . If planted too rich , the tuber may rot . The top will be the depressed side of the tuber . Roots turn from the bottom , side and top of the begonia tuber , but the stalks will come from the top . Additional nutrients , in the form of a manure tea or fish emulsion will keep the begonia flourish throughout the farm season . Stop feeding the begonia plants in the drop .
Moisture
begonia require a even supplying of water , but over watering can make problems . The soil should be dry to the touch before watering . If flower buds drop off of the plant , it is either getting too much or too short water . Container planters will dry out faster , so the soil should be checked more often for wet content .
forefend mildew problems by watering the begonia in the morning . lend weewee to the soil carefully , annul the leaf of the begonia plant .
Slowly reduce the water founder to begonia plant in the crepuscle as they move into the torpid stage .
Growing Temperature
The begonia is considered to be a tropic works and it does not abide frigid temperature . Sudden temperature change can also strain the begonia and make bud to drop off the plant without blooming . The best conditions for the begonia are temperatures below 80 degrees in the daytime and cool down to below 60 degrees at dark .
The begonia may not outlast a Robert Lee Frost . The bulbs must be dug up in the tumble and stored indoors over the winter , during the dormant stage . The bulbs are quick for digging when the leaves start to deform yellow-bellied .
