tree

Atlantic White Cedar

Chamaecyparis thyoides 'Rubicon'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Tree

Height

96 inches

Width

36 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

50+ years

Native To

North America

Toxicity

Non-toxic

The Story

Plant Bio

Chamaecyparis thyoides 'Rubicon' is an evergreen conifer with a columnar growth habit, featuring dense, scale-like foliage that is bright green in summer and turns reddish-bronze in winter. This cultivar is appreciated for its striking upright form and vibrant winter coloration, making it an excellent choice for architectural planting and screening.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides year-round greenery with a formal, upright silhouette, ideal for privacy screens and landscape accents.

Drought-tolerant once established, requiring minimal watering and maintenance.

Supports local bird populations by offering shelter and nesting sites.

Marketplace

Where to Buy

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Planting

How to Grow

Choose a well-drained, moist location with partial shade.
Tuck seeds 1 inch deep into prepared soil in early spring.
Mist cuttings regularly to maintain humidity during propagation.
Water regularly during the first two years to establish roots.
Transplant seedlings after 1–2 years when they are sturdy.
Mulch around base to retain soil moisture and suppress weeds.

Pro Tip

Ensure soil remains moist but not waterlogged for optimal growth.

Keep It Thriving

Care Guide

Do

Water deeply during dry spells 🌱
Prune to maintain shape in early spring
Mulch to conserve moisture

Don't

Avoid overwatering to prevent root rot ❌
Do not prune in late fall or winter
Avoid fertilizing in late fall

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Privacy hedge with lush green foliageShade tree in garden

Companion Plants

Japanese Maple Hydrangea Ferns

Multiply

Propagation Methods

Good to Know

Common Questions

Atlantic White Cedar questions

What zones can Atlantic White Cedar grow in?

Atlantic White Cedar is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Atlantic White Cedar deer resistant?

Yes — Atlantic White Cedar is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Atlantic White Cedar bloom?

Atlantic White Cedar typically blooms in early spring through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Atlantic White Cedar need full sun?

Atlantic White Cedar does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.