Common juniper
- Latin name: Juniperus communis L.
- French name: Génévrier commun
- Taxonomic Serial Number: 194820
- Hardiness zone: C2, NA2
Description
Leaves
Form
- Only needle leaves present
- Jointed at the base, with a sharp spine-like tip, in whorls of 3
Length
- 12–20 mm
Seed cones (mature)
Timing
- Ripen in third year
Tree form
Forest-grown
Trunk
- North American form trunkless
- Plant has many long branches near the ground, ends upturned
Habitat
Light tolerance
- Full sun
Range
Across Canada
Photos
Photos
Derek Johnson
Insects and mites
Insects that cause damage to this tree.
Cones or seeds
- Eupithecia niphadophilata (Dyar)
- Eupithecia placidata (Taylor)
-
Juniper scale
Scientific name: Carulaspis juniperi (Bouché)
-
Juniper webworm
Scientific name: Dichomeris marginella (Fabricius)
Foliage or buds
-
Cypress leaftier
Scientific name: Epinotia subviridis Heinrich
- Eupithecia interruptofasciata (Packard)
-
Juniper webworm
Scientific name: Dichomeris marginella (Fabricius)
-
Spruce spider mite
Scientific name: Oligonychus ununguis (Jacobi)
Roots, bark, stem or trunk, or branches
Diseases caused by pathogens
Diseases caused by pathogens that cause damage to this tree.
Cones or seeds
-
Brown felt blight
Pathogen name: Herpotrichia juniperi (Duby) Petr.
Foliage or buds
-
Brown felt blight
Pathogen name: Herpotrichia juniperi (Duby) Petr.