tree

Japanese Cedar Sekkan

Cryptomeria japonica 'Sekkan'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Tree

Height

240 inches

Width

96 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8

Water

Moderate

Humidity

Moderate

Lifespan

Over 50 years

Native To

Japan

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Cryptomeria japonica 'Sekkan' is an evergreen conifer with a pyramidal form, featuring soft, feathery foliage. New growth in spring is a brilliant creamy-yellow, which gradually fades to green in summer. This cultivar is prized for its stunning, bright yellow new growth, providing a dramatic color contrast in the landscape. The color is best in full sun.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides year-round greenery with elegant, soft foliage suitable for privacy screens and focal points.

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

Supports local bird populations with shelter and nesting sites.

Marketplace

Where to Buy

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

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Planting

How to Grow

Select a location with partial shade and well-drained soil.
Tuck seeds or young plants into the soil, ensuring roots are covered.
Water thoroughly after planting and keep soil moist for 6 weeks.
Mulch around base to retain moisture and suppress weeds.
Prune lightly in early spring to shape and remove dead branches.
Monitor for pests and disease throughout the year.

Pro Tip

Ensure good drainage and avoid overwatering to prevent root rot.

Keep It Thriving

Care Guide

Do

Water regularly during the first year 🌱
Prune lightly to maintain shape
Mulch to conserve moisture
Feed with slow-release fertilizer in spring

Don't

Avoid overwatering especially in winter ❌
Don't prune in late fall or winter
Never plant in poorly drained soil
Avoid exposing to harsh, direct afternoon sun

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Evergreen hedge with silvery foliageArchitectural specimen in garden corners

Companion Plants

Japanese Maple Ferns Hostas Azaleas Camellias

Multiply

Propagation Methods

Good to Know

Common Questions

Japanese Cedar Sekkan questions

What zones can Japanese Cedar Sekkan grow in?

Japanese Cedar Sekkan is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Japanese Cedar Sekkan deer resistant?

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

When does Japanese Cedar Sekkan bloom?

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

Does Japanese Cedar Sekkan need full sun?

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