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Grow and thrive without anyone having to take care of it? As a modern perennial, purple bells cannot do without a dose of care. But what is really important?

The purple bell needs a little water regularly

How should you fertilize the purple bells?

The purple bells do not need much fertilizer compared to other perennials. Note the following points:

  • Fertilizing twice a year is sufficient for outdoor plants
  • fertilize for the first time in spring
  • fertilize for the second time in late summer
  • don't fertilize more often
  • suitable fertilizers: compost, bark mulch, horn shavings
  • Use long-term fertilizer or liquid fertilizer for pot culture

What is worth noting when watering?

Since the purple bells do not tolerate drought, it should be watered when there is no rain. It is best to water it regularly but moderately. The soil should stay moist and not dry out. As soon as the top layer of soil has dried out, you should water purple bells in the bucket. Make sure that there is no standing water!

What diseases can make life difficult for him?

If you water the purple bells too much and often, you increase the risk of root rot. This perennial is extremely susceptible to this. As soon as the soil smells musty, this is a clear alarm signal for root rot.

Does this plant need overwintering?

The purple bells are extremely hardy. Its minimum temperature is -20 °C. But in pots, it should be placed against the wall of the house from 0 °C and covered with fleece. As a precaution, outdoor plants should be covered with brushwood in rough locations.

What should you think about when cutting?

After its flowering period (ends around August), the purple bells are cut back. Cut back the old stems close to the ground!

In addition, a cut should be made in the spring. A pruning before the sprouting ensures a bushy growth. The month of February is ideal for this. The shoots are cut down to 10 cm above the ground. You should also take away the dried leaves when you do.


Check your purple bells regularly for pest infestation! It is frequently attacked by vine weevils and by spider mites in tub culture.

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