Thuja
Thuja occidentalis

Thuja Plant

Thuja occidentalis, commonly called Thuja, grows 10-20 ft tall, slow growth rate, prefers well-drained soil, full sun, medium moisture, not edible, and no medicinal uses.


Picture illustrating Thuja plant

Habit

Evergreen coniferous tree

Height

4 to 6 m

Growth

Slow to moderate

Soil

Well-drained, Sandy Loam

Shade

Partial shade or full sun

Moisture

Moderate

Edible

No

Medicinal

Yes (used in traditional medicine)

Origin

North America, Europe

Climatic Condition

Temperate, Subtropical

Temperature (°)

10°C to 25°C

Humidity (%)

50% to 60%

Potting media

50% Loam, 40% Sand, 10% Organic Matter

Fertilizers

Organic Fertilizer

Watering

Regular watering

Plant Weight 

5 to 10 kg

Flowering Time

Spring to Summer

Soil Ph level

6.0 to 7.5

Water Ph level

6.0 to 7.0

Soil EC

0.5 to 0.8 mS/cm

Yield Per Plant 

10 to 20 kg per plant

NPK ratio 

10:10:10

life Span

15 to 30 years

Health Benefits

Ornamental, Wood Production

Suggested Grow Media or Potting Mix ?

50% loam, 30% compost, 20% sand

Suggested Fertigation/Fertilizers

Fertilize once in spring with slow-release fertilizer

Common Diseases and Remedies

Leaf Spot, Root Rot, Powdery Mildew, Rust, Anthracnose

Leaf discoloration, root decay, powdery coating, rusty spots, branch dieback

Neem oil, compost tea, sulfur-based spray, prune affected branches, potassium bicarbonate
In-Organic Remedies

Copper sulfate, mancozeb, dithane

Silver Oak
Grevillea robusta