Planting Tuberous Begonias – When & How to do it

Planting Tuberous Begonias - When & How to do it

Tuberous begonias fascinate with the variety of their leaves and flowers. Those who prepare tuberous begonias in good time and correctly for planting can enjoy the enchanting sea of ​​flowers all the earlier.

But when is the best time to get tuberous begonias out of hibernation?

In order to be able to enjoy the lush abundance of flowers of the frugal perpetual bloomers for the balcony and garden as early as possible, you should give nature a little help and get the bulbs out of their resting period early.

Because little light is enough for them, the frost-sensitive plants can be best pushed forward on a windowsill. With a little care, they will flower as early as May at the start of the gardening season.

When is the best time to start and plant tuber begonias?

Mid-February to March is the best time to grow tuberous begonias. To do this, plant the flat tubers with normal potting soil in pots and let them propagate on the windowsill.

From April it is time to harden off the bulbous begonias that have been brought forward. To do this, place them outdoors in frost-free, warm weather in a shady place. But please only let them stay outside after the ice saints, from mid-May.

Because they react sensitively to night frost and die off. Only the annual ice begonias are less sensitive to frost and do not have to overwinter like the other begonias .

Planting tuberous begonias is a 3-step process

Thanks to their preference for shade, tuberous begonias are popular plants for less sun-drenched locations on the north or west side of balconies, patios, and gardens. Tuberous begonias are ideal for making them colorful.

Either planted individually or combined with shade-loving plants such as

  • fuchsias
  • Large-flowered tuber begonia varieties such as Non-Stop Yellow fascinate with their bright color
  •  Waterfall-shaped varieties with double flowers like the Cascade spill lavishly over hanging baskets.

Before planting tuberous begonias, loosen the soil and prepare it with sand, peat, or compost. It should be loose, permeable to water and humus, and not waterlogged. Planting the tuberous begonias is then done in three steps.

  • 1. water the roots overnight
  • 2. Plant the tubers only about three centimeters deep in the ground
  • 3. Pour lukewarm water on


Begonias are thirsty and suffer from summer heat even in the shade. With a shower, you will cool them down and at the same time rinse pollen and dust off the leaves.

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