Accepted Symbol
THOC2
Symbol
THOC2
Scientific Name
Thuja Occidentalis
Common Name
Arborvitae
Category
Gymnosperm
Genus
Thuja
Family
Cupressaceae
Family Symbol
CUPRES
Family Common Name
Cypress Family
Plant Guides
Ecology and Taxonomy Data
Orders
Liliales
Subclass
Liliidae
Class
Liliopsida
Division
Magnoliophyta
Superdivision
Spermatophyta
Subkingdom
Tracheobionta
Kingdom
Plantae
Itis Tsn
42750
Duration
Perennial
Growth Habit
Forb/herb
Native Status
L48 (N), AK (N), CAN (N)
Morphology/Physiology
Active Growth Period
Spring and Summer
Bloat
None
C N Ratio
High
Coppice Potential
No
Fall Conspicuous
No
Fire Resistance
No
Flower Conspicuous
No
Foliage Color
Green
Foliage Porosity Summer
Dense
Foliage Porosity Winter
Dense
Foliage Texture
Fine
Fruit Color
Brown
Fruit Conspicuous
No
Growth Form
Single Stem
Growth Rate
Slow
Height At Base Age
25
Maximum Feet
50
Height
No
Mature Feet
Yes
Known Allelopath
Long
Leaf Retention
No
Lifespan
None
Low Growing Grass
No
Nitrogen Fixation
Conical
Resprout Ability
None
Growth Data
Adapted To Coarse Textured Soils
Yes
Adapted To Medium Textured Soils
Yes
Adapted To Fine Textured Soils
Yes
Anaerobic Tolerance
Medium
Caco3 Tolerance
High
Cold Stratification Required
Yes
Drought Tolerance
Low
Fertility Requirement
Medium
Fire Tolerance
Low
Frost Free Days
100
Hedge Tolerance
High
Moisture Use
Medium
Ph Minimum
5.2
Ph Maximum
7.0
Planting Density Per Acre
300
Maximum
1200
Precipitation Minimum
35
Precipitation Maximum
55
Root Depth
30
Minimum Inches
Medium
Salinity Tolerance
Intermediate
Shade Tolerance
-33
