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Photo courtesy of Ball Horticultural

Adiantum × mariesii


Mairis′s Hardy Maidenhair Fern

USDA Zone: 7-9

Plant number: 9.005.020


Mairis’s maidenhair (A. x mairisii), is a rare hybrid, is sterile and thought to be a cross between the Southern maidenhair (A. capillus-veneris) and an unknown species (perhaps the tender A. cuneatum). Surprisingly, this chance hybrid is vigorous, easily grown and more cold tolerant than either of its suspected parents. It produces lacy, bright green fronds supported by brittle charcoal-black stems. It holds its fronds well into the fall season although it is deciduous. Brought to market by Casa Flora’s research team who were able to coax the plant to reproduce through tissue culture making it widely available for the first time.

Further details for
Adiantum × mariesii

Optimal Growing Conditions

Sun Exposure
  Partial Shade or
  Full Shade
Soil Type
  Sandy or
  Clay
Soil pH
  Neutral or
  Alkaline or
  Acid
Soil Moisture
  Average or
  Moist
Care Level
  Moderate
Appearance and Characteristics

Flower Colour
Blooming Time
Foliage Color
  Deep Green
Plant Uses & Characteristics
  Accent: Good Texture/Form
  Alpine & Rock
  Border
  Containers
  Deer Resistant
  Edging
  Rabbit Resistant
  Ground Cover
  Massed
  Woodland
Flower Head Size
Height
   30-40 cm
   12-16 inches
Spread
   45-60 cm
   18-23 inches
Foot Traffic
   None

Growth Rate
   Medium












Adiantum × mariesii


Mairis′s Hardy Maidenhair Fern

USDA Zone: 7-9

Plant number: 9.005.020


Mairis’s maidenhair (A. x mairisii), is a rare hybrid, is sterile and thought to be a cross between the Southern maidenhair (A. capillus-veneris) and an unknown species (perhaps the tender A. cuneatum). Surprisingly, this chance hybrid is vigorous, easily grown and more cold tolerant than either of its suspected parents. It produces lacy, bright green fronds supported by brittle charcoal-black stems. It holds its fronds well into the fall season although it is deciduous. Brought to market by Casa Flora’s research team who were able to coax the plant to reproduce through tissue culture making it widely available for the first time.

Further details for
Adiantum × mariesii

Optimal Growing Conditions

Sun Exposure
  Partial Shade or
  Full Shade
Soil Type
  Sandy or
  Clay
Soil pH
  Neutral or
  Alkaline or
  Acid
Soil Moisture
  Average or
  Moist
Care Level
  Moderate
Appearance and Characteristics

Flower Colour
Blooming Time
Foliage Color
  Deep Green
Plant Uses & Characteristics
  Accent: Good Texture/Form
  Alpine & Rock
  Border
  Containers
  Deer Resistant
  Edging
  Rabbit Resistant
  Ground Cover
  Massed
  Woodland
Flower Head Size
Height
   30-40 cm
   12-16 inches
Spread
   45-60 cm
   18-23 inches
Foot Traffic
   None

Growth Rate
   Medium