treeN. America Native

Degroot's Spire Arborvitae

Thuja occidentalis 'Degroot'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Tree

Height

180 inches

Width

48 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7

Water

Moderate

Humidity

Average

Lifespan

50+ years

Native To

North America

Toxicity

Mildly toxic if ingested

The Story

Plant Bio

An evergreen shrub known for its dense, compact growth habit and bright green foliage. This cultivar maintains its color year-round and has a unique narrow form, making it ideal for hedges.

Uses & Benefits:

Provides year-round greenery with a dense and aromatic foliage, perfect for structured hedges and privacy screens.

Serves as an effective windbreak and noise barrier, reducing wind speed and sound pollution.

Supports local biodiversity by providing shelter for birds and beneficial insects.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Select a sunny spot with well-draining soil for planting.
Dig a hole twice as wide as the root ball and slightly shallower.
Tuck roots into the hole, then fill with soil, firming gently.
Water thoroughly to settle soil and eliminate air pockets.
Apply mulch around the base to retain moisture and suppress weeds.
Prune lightly in late winter to maintain shape and remove dead branches.

Pro Tip

Ensure good air circulation around the plant to prevent fungal issues.

Keep It Thriving

Care Guide

Do

Water regularly during dry spells 🌱
Prune in late winter to shape and remove dead wood
Apply mulch annually to conserve moisture
Fertilize with slow-release evergreen fertilizer in early spring

Don't

Avoid overwatering to prevent root rot ❌
Do not prune in late summer or fall
Refrain from heavy fertilization during the growing season
Avoid planting in poorly drained areas

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Mulch
Plant
Prune
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Evergreen hedge with dense, aromatic foliageSculptural specimen in garden cornersWindbreak along property lines

Companion Plants

Juniper Lavender Boxwood Hosta Daylilies

Multiply

Propagation Methods

Good to Know

Common Questions

Degroot's Spire Arborvitae questions

What zones can Degroot's Spire Arborvitae grow in?

Degroot's Spire Arborvitae is hardy in USDA Zones 4–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Degroot's Spire Arborvitae deer resistant?

Not reliably. Deer may browse Degroot's Spire Arborvitae, especially tender spring growth — plan on repellents or fencing where pressure is high.

Does Degroot's Spire Arborvitae need full sun?

Degroot's Spire Arborvitae does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Degroot's Spire Arborvitae drought tolerant?

Yes — once established (usually after the first full season), Degroot's Spire Arborvitae handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.