How to Grow Boulevard Hinoki Cypress

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Boulevard Hinoki Cypress

Chamaecyparis obtusa 'Boulevard'

shrub

Boulevard Hinoki Cypress is a compact, columnar evergreen shrub known for its soft, feathery blue-gray foliage that turns purplish-bronze in winter. It grows slowly and maintains a neat, pyramidal shape without much pruning. This cultivar is prized for ornamental landscaping and container gardening.

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Example Boulevard Hinoki Cypress timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Boulevard Hinoki Cypress

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Boulevard Hinoki Cypress

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Boulevard Hinoki Cypress dates for your own zip code.

Growing Conditions

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Sun: Partial shade to full sun, 3-6 hours of sunlight daily; afternoon shade beneficial in hot climates
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Water: Keep soil consistently moist but never waterlogged. Water deeply weekly during growing season. Reduce watering in winter. Drought-sensitive; avoid dry conditions.
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Spacing: 24-36 inches
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Days to maturity: N/A (ornamental shrub; reaches mature size in 10-15 years)
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Planting depth: Plant at same depth as root ball; top of root ball level with soil surface

Soil

Type: Well-draining loamy soil with organic matter
pH: 5.5-7.0
Amendments:
Peat moss or coco coir Compost Perlite or coarse sand for drainage

Growing Zones

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Thrives in zones 4-8, with best performance in zones 5-7

4a 4b 5a 5b 6a 6b 7a 7b 8a 8b

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Growth Stages

1

Establishment

First year

Young transplant with small feathery foliage, compact pyramidal form beginning to develop

Water regularly to keep soil moist. Protect from strong winds. Avoid fertilizing first year; allow roots to establish.

2

Young Growth

Years 2-3

Develops denser foliage with characteristic soft, thread-like texture; blue-gray color intensifies

Maintain consistent moisture. Light pruning to shape if needed. Begin very light fertilizing in spring.

3

Maturing

Years 4-10

Reaches 3-6 feet tall and 2-3 feet wide; full pyramidal shape; color deepens and may show bronze winter tones

Minimal pruning needed; plant has natural attractive form. Water during dry spells. Apply balanced fertilizer in spring.

4

Mature

10+ years

Fully formed columnar evergreen at full size; dense, soft foliage with seasonal color variations

Prune only for shape maintenance or to remove dead wood. Ensure good air circulation to prevent fungal issues. Water during extended dry periods.

5

Winter Dormancy

3-4 months

Foliage transforms to purplish-bronze or russet tones; growth slows significantly

Reduce watering but do not let soil dry out completely. Protect from harsh winter winds with burlap if in exposed location. Avoid heavy snow accumulation on branches.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Black walnut trees (juglone toxicity) Areas with poor air circulation Alkaline-soil perennials

Common Pests

  • Spray with water to dislodge; use neem oil or horticultural oil if infestation is severe. Increase humidity around plant.

  • Hand-pick bags in fall/winter and destroy. Apply Bacillus thuringiensis (Bt) in spring when caterpillars are young.

  • Ensure good air circulation and avoid overwatering. Remove infected branches promptly and sterilize tools. Improve drainage.

  • Prevent through excellent drainage and avoiding waterlogged soil. Do not plant in low-lying wet areas. Remove and destroy severely affected plants.

Uses

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Landscape Accent & Specimen Plant

Ornamental

Boulevard Hinoki Cypress serves as a striking vertical accent in borders, foundation plantings, and Japanese gardens. Its soft texture and seasonal color changes add year-round visual interest to landscapes. [source]

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Container Gardening

Ornamental

The slow growth habit and compact form make this an excellent choice for container growing on patios, porches, and balconies. Containers allow for easier winter protection in colder climates. [source]

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Winter Interest

Ornamental

The foliage transforms to attractive purplish-bronze or russet tones in cold weather, providing color when many other plants have faded. This winter color change makes it particularly valuable in temperate landscapes. [source]

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Wildlife Shelter & Nesting

Wildlife

The dense branching structure provides shelter and nesting sites for birds and other small wildlife. The evergreen foliage offers year-round protection from predators and harsh weather. [source]

Harvest Tips

N/A (ornamental shrub; not harvested for food or materials). Remove dead or diseased branches as needed year-round. Prune for shape in late winter or early spring before new growth. Avoid cutting into brown wood.

Fun Facts

  • 🌱 Boulevard Hinoki Cypress was discovered as a sport (spontaneous mutation) in Japanese nurseries and has become one of the most popular ornamental Hinoki cultivars worldwide.
  • 🌱 The 'Boulevard' cultivar maintains its soft, feathery juvenile foliage throughout its life, whereas the species naturally transitions to adult (scale-like) foliage as it matures.
  • 🌱 In its native Japanese forests, Hinoki cypress (Chamaecyparis obtusa) can live for over 400 years and reach heights of 150 feet, making the dwarf 'Boulevard' form quite the miniature relative.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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