Life Span
Perennial
  
Perennial
  
Type
Tree
  
Tree
  
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
  
Southeastern United States, Mexico, Caribbean, Central America
  
Types
Not available
  
Not Available
  
Habitat
Lowland evergreen rainforest
  
Dry Forest, Lowland
  
USDA Hardiness Zone
4-7
  
10-15
  
AHS Heat Zone
7-1
  
12-10
  
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
  
H1, H2
  
Habit
Pyramidal
  
Oval or Rounded
  
Plant Size
  
  
Minimum Height
1,370.00 cm
  
31
Plant Color
  
  
Flower Color
Yellow, Red, Coral
  
Purple, Violet, Blue Violet
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Brown
  
Yellow, Red
  
Leaf Color in Spring
Green, Dark Green
  
Green, Olive
  
Leaf Color in Summer
Dark Green
  
Green, Dark Green
  
Leaf Color in Fall
Dark Green
  
Green, Olive
  
Leaf Color in Winter
Not Available
  
Olive
  
Shape
  
  
Leaf Shape
Ovate
  
Pinnate
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun, Partial shade
  
Full Sun, Partial Sun
  
Growth Rate
Fast
  
Very Slow
  
Type of Soil
Loam, Sand
  
Loam, Sand
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Neutral, Alkaline
  
Soil Drainage
Average
  
Well drained
  
Bloom Time
Early Spring
  
Early Spring, Spring, Late Winter, Indeterminate
  
Repeat Bloomer
No
  
Yes
  
Tolerances
Maritime exposure, Salt water
  
Drought, Salt, Variety of soil types
  
Where to Plant?
Ground
  
Ground
  
How to Plant?
Layering, Seedlings
  
Seedlings
  
Plant Maintenance
Medium
  
Low
  
Watering Plants
  
  
Watering Requirements
Average Water Needs
  
Average Water Needs, Keep the ground moist but not water-logged, Requires regular watering
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Acidic, Neutral, Alkaline
  
Neutral, Alkaline
  
Soil Type
Loam, Sand
  
Loam, Sand
  
Soil Drainage Capacity
Average
  
Well drained
  
Sun Exposure
Full Sun, Partial Sun, Partial shade
  
Full Sun, Partial Sun
  
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, slow-release fertilizers
  
Pests and Diseases
Not Available
  
Pests and diseases free, Red blotch
  
Plant Tolerance
Maritime exposure, Salt water
  
Drought, Salt, Variety of soil types
  
Flowers
Insignificant
  
Showy
  
Flower Petal Number
Not Available
  
Single
  
Fruits
  
  
Showy Fruit
Yes
  
Yes
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Yes
  
Yes
  
Showy Bark
Yes
  
Not Available
  
Foliage Texture
Medium
  
Fine
  
Foliage Sheen
Glossy
  
Glossy
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
Yes
  
Yes
  
Attracts
Insects, Not Available
  
Birds, Butterflies
  
Allergy
Not Available
  
Skin irritation
  
Uses
  
  
Aesthetic Uses
Not Used For Aesthetic Purpose
  
Beautification, Cottage Garden, Ground Cover
  
Beauty Benefits
Skin Problems
  
Blood purifying
  
Edible Uses
Yes
  
No
  
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
  
Food for birds, Shadow Tree
  
Plant Benefits
  
  
Medicinal Uses
Anodyne, Appetizer, Astringent
  
anti-inflammatory, Gout, Rheumatism, Sore throat
  
Part of Plant Used
Flowers, Inner Bark, Sap
  
Fruits, Seeds, Wood
  
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
  
Used for its medicinal properties, Wood is used for ship building
  
Used As Indoor Plant
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Screening / Wind Break, Shade Trees
  
Container, Feature Plant, Foundation, Mixed Border, Rock Garden / Wall, Tropical
  
Botanical Name
ALNUS rubra
  
GUAIACUM sanctum
  
Common Name
Oregon Alder, Red Alder
  
Holy-wood, Lignum Vitae
  
In Hindi
red alder
  
Holywood
  
In German
rot-Erle
  
Holywood
  
In French
aulne rouge
  
Holywood
  
In Spanish
aliso rojo
  
Holywood
  
In Greek
κόκκινη σκλήθρα
  
Holywood
  
In Portuguese
amieiro vermelho
  
Holywood
  
In Polish
czerwony olcha
  
Holywood
  
In Latin
red alnus
  
Holywood
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Fagales
  
Sapindales
  
Family
Betulaceae
  
Zygophyllaceae
  
Genus
Alnus
  
Guaiacum
  
Clade
Angiosperms, Eudicots, Rosids
  
Angiosperms, Eudicots, Rosids
  
Tribe
Not Available
  
Not Available
  
Subfamily
Not Available
  
Zygophylloideae