How to grow Blechnum penna marina

Blechnum penna marina grow and care – herbaceous fern of the genus Blechnum also known as Antarctic hard-fern or Alpine water fern, Blechnum penna marina perennial evergreen used as ornamental groundcover plant, can grow in temperate climate or as houseplant and growing in hardiness zone 5-9.

Blechnum penna marina leaves

Leaves color green and can green with red or yellow under the leaf the is like red burning mark, grow in pinnate fronds structure, leaves grow as rosette structure.

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How to grow Blechnum penna marina growing and care:

High humidity, moist soil

What is the best way to start growing?
Plant / Vegetative reproduction

Is it necessary to graft or use vegetative reproduction?

Difficulties or problems when growing:

Planting season:
All year

Pests and diseases:

Pruning season:
All year

How to prune:
Dead leaves

Size of the plant?
15-30 cm, 6-12 inches

Growth speed in optimal condition:
Medium growing

Water requirement:
Big amount of water

Light conditions in optimal condition for growing:
Full Shade

Is it possible to grow indoor as houseplant?

Growing is also possible in a planter /flowerpot / containers:

Scientific name:

Blechnum penna marina

How to grow Blechnum penna marina

Blechnum penna marina


  • Subtropics Climate
  • Temperate Climate
Ornamental parts
  • Ornamental leaves
  • Ornamental plant
Plant growing speed
  • Average growing plants
Plant life-form
  • Evergreen
  • Fern
  • Herbaceous
Plant Uses
  • Ground cover plants
  • Ornamental plants
Planting Season
  • Autumn Planting
  • Spring Planting
  • Summer planting
Plants sun exposure
  • Shade Plants
Watering plants
  • Big amount of water
Hardiness zone
  • Hardiness zone 5
  • Hardiness zone 6
  • Hardiness zone 7
  • Hardiness zone 8
  • Hardiness zone 9

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