The eye-catching flowers of the iris sometimes seem a bit exotic, although various species of the ornamental plant, also known as sword lilies, originally come from Central European natural areas. If the iris does not grow in a plant pot exposed to the cold, but stands in an outdoor bed, it can usually be overwintered outdoors in this country without any problems.

Outdoor irises are usually very hardy

Caring for the iris properly in the fall

To ensure that your iris gets through the winter well and can recharge its batteries for the next flowering period, you should give it the right care in autumn. Basically, irises are quite undemanding in the garden if they are in a sunny location. However, you should cut off completely withered leaves in autumn so that there is no rot in winter.

Bring irises well through the winter

Green leaves of the iris with brown tips should be shortened in the form of a wedge by no more than half in autumn, as these are necessary for the plant as an energy reserve for the next growing season. You should refrain from covering the ground around the plants with mulch (€239.00) so that mold and pathogens on the plant material are not encouraged. If you want to divide your iris for propagation purposes, you should do so immediately after flowering. In this way, the offshoots can still grow well in the new place before winter breaks in with frosts in the garden.

It depends on the location

For healthy growth, the iris not only needs a sunny location, but also loose soil without waterlogging. This is usually achieved through the following measures:

  • Enriching the soil with deposited compost
  • Insertion of a drainage made of sand or gravel
  • carefully digging up the soil around the irises

When planting iris rhizomes on extremely hard ground, it is sometimes common to simply pile up soil. However, this has a negative effect on winter hardiness and must be compensated for with foliage or other protective measures.

tips and tricks

Not all species of irises are hardy in this country. Therefore, when buying, pay close attention to the relevant information about the plant so that you can protect it or overwinter it in winter quarters.

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