Life Span
Perennial
Perennial
Type
Needled or Scaled Evergreen
Fruit
Origin
North America, United States, Western United States, Northwestern United States, California, Canada
Southern Asia, India, Melanesia, Australia
Types
mexicana , white spruce
etrog
Number of Varieties
25
0
40000
👆🏻
Habitat
Alpine Meadows
Mediterranean region, Subtropical climates, Tropical regions
USDA Hardiness Zone
3-79-11
0
99
👆🏻
AHS Heat Zone
7-1
12-9
Sunset Zone
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 10, 14, 15, 16, 17
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Oval or Rounded
Plant Size
Minimum Height
1,830.00 cm240.00 cm
0
3900
👆🏻
Minimum Width
460.00 cm180.00 cm
0
6350
👆🏻
Plant Color
Flower Color
-
White, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light brown
Yellow
Leaf Color in Spring
Blue Green, Steel Blue
Green, Dark Green
Leaf Color in Summer
Blue Green, Steel Blue
Green, Dark Green
Leaf Color in Fall
Blue Green
Green, Dark Green
Leaf Color in Winter
Blue Green
Light Green
Shape
Leaf Shape
Long hair-like leaves
Ovate elongated
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
-
Early Spring, Spring, Winter, Late Winter, Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
reseeds, Seedlings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do not water excessively
Needs less watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Prune ocassionally, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Needle rust
Aphids, Citrus foot rot, Leafminers, Red blotch
Plant Tolerance
Light Frost
Drought
Flowers
-
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Fine
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds, Butterflies
Allergy
-
Mild Allergen
Uses
Aesthetic Uses
Beautification, Landscape Designing, Woodland margins
Showy Purposes
Beauty Benefits
-
Brightens the skin complexion, Good for skin and hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Antibiotic, Antidote, Pulmonary afflictions, Recovering internal injuries
Part of Plant Used
-
Fruits, Leaves
Other Uses
guitar making, Used as Christmas Tree
Used as a nutritious food item, Used As Food, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Screening, Wind Break
Container, Edible, Feature Plant, Fruit / Fruit Tree, Hedges, Houseplant, Shade Trees, Topiary / Bonsai / Espalier, Tropical
Botanical Name
PICEA engelmannii
CITRUS medica
Common Name
mountain spruce
Citron
In Hindi
Engelmann spruce
नीबू
In German
Engelmann spruce
Zitrone
In French
Engelmann spruce
Citron
In Spanish
Engelmann spruce
Cidra
In Greek
Engelmann spruce
Κίτρο
In Portuguese
Engelmann spruce
cidra
In Polish
Engelmann spruce
Cytryna
In Latin
Engelmann spruce
Chron
Kingdom
Plantae
Plantae
Phylum
Pinophyta
Magnoliophyta
Class
Pinopsida
Magnoliopsida
Order
Pinales
Sapindales
Family
Pinaceae
Rutaceae
Genus
Picea
Citrus
Clade
Angiosperms
Angiosperms, Eudicots, Rosids
Tribe
-
Citreae
Subfamily
-
Aurantioideae
Number of Species
27
1
27800
👆🏻