Scientific Name:
Epimedium
(hybrid cvs.)
Pronunciation:
ep-ih-MEE-dee-um
Common Name:
hybrid barrenwort
Family Name:
Berberidaceae
Plant Type:
Ground cover, Herbaceous perennial
Key ID Features:
Leaves basal, biternate, leaflets pinnately compound, pinnae ovate, most 3-6cm long x 2-5cm wide, margins usually spinose, base cordate, petiolules 2-4cm long, most petioles 6-15cm long.
Habit:
Horizontal, Spreading
Form:
Oval - horizontal
Texture:
Medium
Mature Height:
0.2 - 0.4m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Slow
Origin:
Garden origin
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Part sun/part shade, Filtered shade
Soil/Growing Medium:
Well-drained
Landscape Uses:
Ground cover, Rock garden
Additional Info:
Google. See separate entries for the hybrids on campus that may include
E. 'Amber Queen' (E. flavum x E. wushanense 'Caramel'),
E. x cantabrigiense (E. alpinum x E. pubigerum),
E. x perralchicum (E. perralderianum x E. pinnatum),
E. x rubrum (E. alpinum x E. grandiflorum), and
E. x youngianum (E. diphyllum x E. grandiflorum).
.
Leaf Morphology:
Form:
Compound
Arrangement:
Basal
Texture/Venation:
Leathery
Surfaces:
Glabrous
Compound Leaf:
Biternate
Colour in Summer:
Green, Dark-red
Colour in Fall:
Green
Shapes:
Ovate
Apices:
Acute, Apiculate
Bases:
Cordate
Margins:
Sinuate
Inflorescence Type:
Raceme
Flower Morphology:
Flowers perfect
Number Of Petals:
4
Corolla Shape:
Cruciform
Ovary Position:
Superior
Colour (petals):
Showy, White, Yellow, Pink, Red (rarely orange or purple)
Flower Scent:
None
Flower Time at Peak:
Apr, May
Fruit Type:
Follicle, Aborted (hybrids) or absent
Fruit Colour:
Green
Fruiting Time:
Jun, Jul
Additional Info:
Fruit insignificant
Bark or Stem Colour:
n/a
Organ Modifications:
Rhizomes
Maintenance:
Low
Other:
Cut back any unattractive foliage before peduncles emerge mid-March
Pest Susceptibility:
Slugs or snails (Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)
Course(s):
- HORT 1155
- Level 3 Apprenticeship
Location(s):
- (BCE) Boulevard (Circular) Eastend : cvs.? white and red
- (BKW) Boulevard Kwantlen Way
- (HPZ) Horticulture PlaZa
- (ONW) Overpass North side West
- (PPL) Pine PLanting : cv. Amber Queen
- (WLG) WoodLand Garden : cvs. - white flowered and Pink Elf?