Scientific Name:
Athyrium niponicum
var.
pictum
Pronunciation:
uh-THEER-ee-um nih-PON-ih-kum variety PICK-tum
Common Name:
Japanese painted fern
Family Name:
Athyriaceae
Plant Type:
Fern
Key ID Features:
Fronds triangular-shaped, 30-50cm long, delicate, deciduous, rachis dark red to purplish with alternating pinnae, pinnules with cream and silver metallic variegation that become greener in summer; sporangia with "hinged" indusia cover undersides in summer.
Habit:
Arching, Spreading, Upright
Form:
Vase
Texture:
Medium
Mature Height:
0.4 - 0.7m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Fast
Origin:
S.E. Asia / Japan / China, South Asia / India (Eastern Asia)
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Part sun/part shade, Filtered shade, Deep shade
Soil/Growing Medium:
Humus rich, Well-drained
Water Use:
Low
Landscape Uses:
Accent plant, Alpine, Container planting, Cut flower or foliage, Ground cover, Group or mass planting, Mixed shrub border, Small garden/space, Specimen plant, Summer interest, Waterside planting, Woodland margin
Additional Info:
Google. Cultivars shown or on campus may include A. 'Metallicum'.
Leaf Morphology:
Form:
Compound, Fern-like
Arrangement:
Basal
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Compound Leaf:
Bipinnate, Tripinnate
Colour in Summer:
Green, olive green with a metallic sheen, stems are burgundy
Shapes:
Lanceolate, Oblong
Apices:
Acute
Bases:
Decurrent
Margins:
Pinnately lobed
Additional Info:
Leaves variegated
Inflorescence Type:
Flower Morphology:
Colour (petals):
No flowers
Flower Time at Peak:
Fruit Type:
Sporangium (spores)
Fruit Colour:
Brown
Fruiting Time:
Aug, Sep
Bark or Stem Colour:
n/a
Additional Info:
No above ground stem
Organ Modifications:
Rhizomes
Propagation:
Spore, Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Rust (Pest resistant, Disease resistant, Deer resistant, Rabbit resistant)
Course(s):
- HORT 2355
- Level 3 Apprenticeship
Location(s):
- (GAZ) GAZebo
- (GAZN) GAZebo North
- (ONE) Overpass North side East
- (ONW) Overpass North side West : cv. Ursula's Red,Godzilla
- (PPL) Pine PLanting
- (WLG) WoodLand Garden