I n May, or when growth reaches 3 inches, plants are ready to be moved. They can be transplanted either into pots, window boxes, hanging baskets or to the garden border. Use a 6 or 7 inch pots, in window boxes plant 6 inches apart and in the garden 10 inches apart. Good drainage is essential. Begonias thrive in semi-shade and must not be subjected to the midday sun.
Begonias dislike dry conditions, so water generously, especially during periods of hot weather.
Every two or three weeks a well balanced plant food should be given. Remove all wilted leaves and flowers to encourage flowering throughout the summer months. Y our begonias will now flower continuously for 4 to 5 months.