Common Pests and Diseases of Thuja Green

Being aware of potential pests and diseases is crucial for maintaining the health of Thuja x ‘Green Giant’. Common issues include spider mites, bagworms, and root rot. Regularly inspecting the foliage for signs of infestation, such as webbing or discolouration, allows for early intervention. If pests are detected, organic insecticidal soaps can effectively manage minor infestations. Additionally, ensuring proper soil drainage can help prevent root rot, which is often caused by overly moist conditions.

1. Thuja x ‘Green
Giant’ Green
Giant Arborvitae

2. Thuja x ‘Green Giant’ Green Giant Arborvitae is a
popular choice among gardeners and
landscapers for its rapid growth, dense foliage,
and versatility. Ideal for creating privacy screens,
windbreaks, or simply adding year-round greenery
to your landscape, this evergreen conifer is both
low-maintenance and highly effective.

3. Choosing the Right Location
Sunlight Needs: Plant in full sun to partial shade. The Green Giant
thrives with at least six hours of direct sunlight per day.
Soil Requirements: Prefers well-drained soil. While it can tolerate a
range of soil types, avoid overly wet or compacted soils.
How to Plant?

4. Planting Steps
Digging the Hole:1.
Dig a hole twice as wide and just as
deep as the root ball.
Preparing the Plant:2.
Remove the plant from its container
and gently loosen the roots.

5. Backfilling
Fill the hole with a mix of native
soil and compost, gently tamping
it down to eliminate air pockets.
Privacy Screens:
Plant 5-6 feet apart for a
dense screen.
Windbreaks:
Stagger plants in two rows,
10 feet apart, to create an
effective wind barrier.
Specimen Planting:
Plant alone as a focal point
in gardens or large
landscapes.
Where to Plant?
Watering
Water thoroughly to settle the
soil and help establish the
roots.

6. Established Plants:New Plants: MethodTiming
How to Maintain Your Green Giant Arborvitae
Water deeply once a week
during the first growing
season.
Water during dry periods. The
Green Giant is drought-
tolerant once established but
benefits from occasional
deep watering.
Apply a balanced, slow-release
fertilizer in early spring.
Follow manufacturer
instructions, avoiding over-
fertilization which can harm
the plant.

7. How to
Prune

8. Timing
Best Time:
Prune in late winter to early
spring before new growth
begins.
Avoid:
Pruning during extremely hot
or cold periods to prevent
stress on the plant.

9. Techniques
Thinning:
Remove any dead, damaged,
or diseased branches.
Shaping:
Trim from the top down,
maintaining a natural shape.
Avoid cutting into the old
wood where new growth may
not emerge.

10. Hedge Height
Growth Rate:
Grows 3-5 feet per year under optimal conditions.
Mature Height:
Can reach up to 40-60 feet with a spread of 12-18 feet.

11. Thuja x ‘Green Giant’ Green Giant Arborvitae is an exceptional choice for
gardeners and landscapers looking to add privacy, beauty, and structure to
their outdoor spaces. By following the guidelines on planting, maintaining,
and pruning, you can enjoy a thriving and beautiful hedge or specimen tree
for years to come.
Ready to transform your landscape? Start
today and watch your garden flourish.
planting Thuja x ‘Green Giant’

12. THANK YOU
For watching this presentation