When should begonias be cut back?

Cut back begonias in autumn. You should cut them back up to 1/3 of the plant after flowering. Throughout the year, prune your begonias to shape their growth. If you have winter-flowering begonias, cut them back in the spring after they have finished flowering.

Should I deadhead my begonias?

Hardy in U.S. Department of Agriculture zones 6 through 11, depending on the cultivar, begonias (Begonia spp.) do not require deadheading to thrive. Rather they self-clean by dropping spent flowers on their own, says the University of Illinois Extension.

Can you leave begonias in pots over winter?

You should also be overwintering a begonia grown outdoors in containers. Pot-grown begonia plants can be stored in their containers as long as they remain dry. They should also be relocated to a protected area that’s cool, dark, and dry. Pots can be left in an upright position or slightly tipped.

How do you keep begonias blooming all summer?

For maximum blooms, begonias should be lightly fertilized every 10 to 14 days when grown in pots and containers. For bedding plants, fertilizing every three to four weeks is enough to do the trick.

What do you do with begonias after flowering?

Store begonia tubers individually in paper bags or line them in a single layer atop newspaper. Place these in a cardboard box in a cool, dark, dry location. You should also be overwintering a begonia grown outdoors in containers. Pot-grown begonia plants can be stored in their containers as long as they remain dry.

What do you do with potted begonias in the winter?

Keep wax begonias in a bright window and gradually reduce the amount of light to help them adjust to an indoor environment. Increase humidity levels but cut down on watering over winter. Once warm temperatures return, increase their watering and begin to move them back outdoors.

How do you get begonias to rebloom?

A balanced liquid fertilizer will help encourage your begonias to bloom. Dilute the fertilizer with water at a ratio of 3 parts water to 1 part fertilizer, then pour the solution around the base of the plant. Fertilize the begonias when you first plant them and then once every 3 weeks after that.