Life Span
Perennial
Perennial
Type
Tree
Needled or Scaled Evergreen
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
North America
Types
-
Bar Harbour, Andorra Compacta, Blue Forest, Blue Chip, Douglasii, Blue Rug, Glauca, Gold Carpet, Icee Blue, Gold Carpet, J.J. Hughes, Marcellus
Habitat
Lowland evergreen rainforest
Fields, Pastures, Upland soils
USDA Hardiness Zone
4-7
4-9
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Mat-forming
Flower Color
Yellow, Red, Coral
Pink, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Gray, Purple
Leaf Color in Spring
Green, Dark Green
Light Green, Blue Green, Olive, Gray Green, Dark Green, Yellow green
Leaf Color in Summer
Dark Green
Light Green, Blue Green, Olive, Gray Green, Dark Green, Yellow green
Leaf Color in Fall
Dark Green
Light Green, Blue Green, Olive, Gray Green, Dark Green, Yellow green
Leaf Color in Winter
-
Purple, Light Green, Blue Green, Olive, Gray Green, Dark Green, Yellow green
Leaf Shape
Ovate
Scale-like imbricate
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade, Full Shade
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Early Spring
-
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Layering, Seedlings
Hardwood Cuttings, Semi-hardwood cuttings, Softwood cuttings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
Average Water Needs, Do Not over Water, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade, Full Shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Tip blight, Twig blight
Plant Tolerance
Maritime exposure, Salt water
Drought
Flowers
Insignificant
Insignificant
Flower Petal Number
-
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Matte
Attracts
Insects
Butterflies, Hummingbirds, Wildlife
Aesthetic Uses
-
Decorating walls, Ground Cover, slopes
Beauty Benefits
Skin Problems
-
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Medicinal Uses
Anodyne, Appetizer, Astringent
Diaphoretic, Febrifuge, Kidney problems
Part of Plant Used
Flowers, Inner Bark, Sap
Leaves
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Incense
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Screening / Wind Break, Shade Trees
Container, Edging, Groundcover, Topiary, Bonsai, Espalier
Botanical Name
ALNUS rubra
JUNIPERUS horizontalis
Common Name
Oregon Alder, Red Alder
Creeping Juniper, Horizontal Juniper
In Hindi
red alder
Creeping Juniper
In German
rot-Erle
Kriech-Wacholder
In French
aulne rouge
Genévrier rampant
In Spanish
aliso rojo
Creeping Juniper
In Greek
κόκκινη σκλήθρα
Creeping Juniper
In Portuguese
amieiro vermelho
Creeping Juniper
In Polish
czerwony olcha
Jałowiec płożący
In Latin
red alnus
Creeping Juniper
Phylum
Magnoliophyta
Coniferophyta
Class
Magnoliopsida
Pinopsida
Family
Betulaceae
Cupressaceae
Clade
Angiosperms, Eudicots, Rosids
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