Scientific Name:
Rhododendron groenlandicum
Pronunciation:
roe-doe-DEN-drun green-LAND-ee-kum
Common Name:
Labrador tea
Family Name:
Ericaceae
Plant Type:
Broadleaf evergreen
Key ID Features:
Leaves alternate, narrowly elliptical, most 5-7cm long x 8-14mm wide, grayish, rolled under with rusty hairs on the underside; flowers ~13mm wide, 5 white petals, May-Jun; capsules hairy, ~6mm long.
Habit:
Dense
Form:
Round
Texture:
Medium - fine
Mature Height:
0.7 - 1.3m
Mature Spread:
1.0 - 1.5m
Growth Rate:
Moderate
Origin:
B.C. west of Cascades, U.S. - northwest
Hardiness Rating:
Zone 3: (-40 to -34 °C)
Exposure:
Full sun, Part sun/part shade, Filtered shade
Soil/Growing Medium:
Bog
Water Use:
Wetlands
Landscape Uses:
Herb, Mixed shrub border, Native planting, Reclamation, Small garden/space, Spring interest, Wetland - bogs, Woodland margin
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Leathery
Surfaces:
Pubescent
Colour in Summer:
Green, Dark-green
Colour in Fall:
Green
Shapes:
Elliptic
Apices:
Acute
Bases:
Rounded
Margins:
Entire
Additional Info:
Margins rolled under, dense rusty hairs on underside
Inflorescence Type:
Corymb, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Campanulate
Ovary Position:
Superior
Colour (petals):
Showy, White
Flower Scent:
None
Flower Time at Peak:
May, Jun
Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Sep
Additional Info:
Fruit insignificant
Bark Morphology:
Smooth
Bark or Stem Colour:
Grey
Maintenance:
Low
Pest Susceptibility:
Abiotic disorder, Beetles or weevils, Rust
Specific Pests:
