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When autumn approaches, it becomes apparent which perennial has a squeamish character and which has a robust character. What about the purple bells? Is it hardy enough and can it do without frost protection?

A bit of frost cannot harm the purple bells

Well hardy in this country

You can rest easy: The purple bells are considered to be hardy in this country. It survives normal winter times without any problems. Its winter hardiness is -20 °C. It is also worth knowing that this perennial is not only hardy and perennial, but also wintergreen to evergreen.

Cover outdoors if necessary

Normally, the purple bells do not need winter protection when they are outdoors. It can be left to its own devices and the freezing temperatures in winter without any effort. But sometimes it is still advisable to protect it.

  • in rough situations
  • with the prevailing frost
  • young specimens (e.g. freshly sown)
  • specimens planted in late autumn

In these cases, the purple bells should be protected in winter. Brushwood is suitable for covering. Place pine twigs over the root area of this plant! Alternatively, you can also use compost soil. This not only acts as winter protection above the root area, but also gradually penetrates to the roots as a fertilizer.

Protect purple bells in the bucket

Even if the purple bell is in a bucket on the terrace or elsewhere, it should be protected from frost in winter. Otherwise the planter freezes through to the roots. That would mean the end of the Crimson Bells.

First, wrap the plant with fleece. Next, place the planter in a sheltered location such as on the wall of the house. It is important that the plant stays outside. It should not be placed inside, as it can suffer growth damage there.

Before, during and after the winter season

You should not do without certain care work during the winter of this perennial. The old flowers are cut down to the base. During the winter, the purple bells are watered sparingly in the bucket. When winter is over, remove the dry leaves of this perennial.


Since the purple bells also look decorative throughout the winter with their colorful leaves, they should ideally be planted in a location that is easily visible in winter.

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