Ferns add that special magic to many situations. They can give a garden a lush cool feeling with their majestic arching fronds. They can soften the hard lines of buildings and tone down the harsh colours of modern architecture.

Ferns can be planted in large groups to give a woodland effect to a landscaped area, this more natural easy flowing design with more emphasis put on foliage texture as the colour.

In the understorey, plantings of ferns as a groundcover is where they often come into their own. Ferns soon create a dense cover giving a pleasing lushness to any setting. With many established gardens the areas under trees often present a difficult planting problem. With the addition of organic matter and a bit of lower branch pruning a whole new micro-climate can be opened up. Ferns can revel in these protected cool microclimates.

Ferns are foliage plants with a myriad of textures and forms to choose from. Their lush greens are often high-lighted by combining them with other suitable plants, such as Arthropodium spp, Libertia spp , Dianella nigra, Chatham Island forget me nots and many others.

A fern in a container can provide an interesting focal point such as giving that shady back door an interesting feature. Many ferns will do well in containers.

So What do Ferns Like?

  • A good supply of moisture
  • Generally a shady site. The main thing is to cut out mid day sun. Ferns can handle a lot more sun than is generally believed. Many species like early morning and late afternoon and late afternoon sun, providing moisture is available.
  • Shelter from wind.
  • Soil that is both rich in humus and well drained (this is to aid the flow of air to the roots). The addition of any of the following would benefit the soil structure:
    • Rotted Sawdust
    • Rotted Straw
    • Compost
    • Peat
  • An annual dressing of blood and bone is about all the fertilizer necessary. Keep soil covered with a mulch, this will keep the roots cool and the moisture in.
What ferns like?                
Ferns are adaptable and once established can be very hardy. Like any other group of plants, it is important to put the right plant in the right place, this chart is intended as a helpful guide.  
    size sun shade dry average moist wind frost
Botanical name Common name                
Adiantum aepothicum Maidenhair 20-30cm X a a a a X H
Asplenium bulbiferum Hen & Chicken 50-120cm X a X a X X H
Asplenium bulbxflaccidum Hanging Hen and Chicken 40-60cm a a a a a X H
Asplenium flaccidum ground flaccidum 20-90cm X a a a X a H
Asplenium lyalli lyalls spleenwort 50-70cm a a a a a a E
Asplenium trichomanes maidenhair spleenwort 20-40cm a a a a X a H
Asplenium oblongifolium shining spleenwort 30-120cm a a a a a a E
A. oblongifolium x bulbiferum Maori princess 80-100cm X a a a a X H
Blechnum discolour crown fern 50-100cm X a a a X X H
Blechnum fluvatile kiwakiwa 20-50cm X a X a a X H
Blechnum minus swamp kiokio 30-70cm a a X a a a H
Blechnum montanum mountain kiokio 50-80cm a a a a a a H
Blechnum novae zealandiae kiokio 30-120cm a a X a a a H
Blechnum penna marina little hardfern 5-30cm a a a a a a H
Blechnum procerum small kiokio 40-60cm a a X a X X H
Blechnum volcanicum korokio 30-50cm X a X a a X H
Cyathea dealbata silver fern 5m a a a a X a E
Cyathea medullaris black tree fern 15m a a X a a X T
Cyathea smithii soft tree fern 6m X a X a a X E
Dicksonia fibrosa wheki ponga 6m a a X a a a H
Dicksonia squarrosa rough tree fern 2-4m a a X a a a H
Doodia australis pukupuku 20-30cm a a a a a a E
Doodia squarrosa fine rasp fern 15-45cm a a a a a a E
Lastreopsis glabella smooth sheild  fern 10-35cm X a X a a X H
Lastreopsis hispida hairy fern 25-45cm X a X a a X H
Lastreopsis microsora creeping sheild fern 40-90cm X a a a a X E
Lastreopsis velutina velvet fern 20-50cm X a X a a X H
Pellaea falcata sickle fern 25-40cm a a X a X a E
Pallaea rotundifolia button fern 10-20cm a a a a X a H
Phymatosaurus pustulatus hounds tongue fern 10-60cm a a a a a a H
Pneumanopteris pennigera gully fern 100-150cm X a X a a X E
Polystichum richardii pikopiko, shield fern 20-50cm a a a a X X H
Polystichum vestitum punui, shield fern 50-120cm a a a X X a H
Tolerates or needs                             a Frost tender                                      T                
Tolerant of some                               a Frost hardy                                       H                
Intolerant                                           x Frost hardy once established            E