Blue Boulevard Sawara Cypress
Chamaecyparis pisifera Blue Boulevard
Blue Boulevard
About this plant
Blue Boulevard Sawara Cypress is a compact, slow-growing evergreen shrub known for its striking silvery-blue, feathery foliage. It has a narrow, upright form making it excellent for small gardens or as a focal point. This cultivar is popular for its unique color and texture, often used in landscape design for year-round interest.
Taxonomy
- Genus
- Chamaecyparis
- Family
- Cupressaceae
- Higher classification
- Order: Pinales
- Plant type
- Shrub
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Japan
- Distribution
- Widely cultivated in temperate regions worldwide, especially in North America, Europe, and parts of Asia.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing
- Watering frequency
- Moderate
- Watering interval
- 7–14 days
- Humidity
- Normal
- Minimum
- -30 °C
- Maximum
- 35 °C
- Optimal
- 10-24 °C
- USDA hardiness zones
- 4-8
- Soil pH
- 5.5-7.0 (slightly acidic to neutral)
- Soil type
- well-draining loam, sandy soil
Watering. Water regularly during dry spells, especially in the first few years after planting. Allow the soil to dry slightly between waterings to prevent root rot.
Fertilizing. Apply a balanced, slow-release fertilizer in early spring to support healthy growth. Avoid over-fertilizing as it can cause excessive, weak growth.
Chamaecyparis pisifera 'Blue Boulevard' is a slow-growing evergreen shrub that prefers full sun and well-drained soil. It is fairly hardy and disease resistant but needs protection from overly wet soil to prevent root rot. Regular watering during dry periods and occasional pruning to maintain shape are recommended.
Propagation
- Propagation methods
- Cuttings
- Care difficulty
- Medium
Ornamental features
- Flowering
- No
Distinctive silvery-blue, soft, feathery foliage with a narrow, upright form.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets. Safe to plant around children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Pollen, Skin contact
- Pollen level
- Low
This plant produces very little pollen and is unlikely to cause allergies. People sensitive to pollen should have minimal reaction. To reduce exposure, avoid close contact during pruning.
Common problems
Overwatering can cause root rot. Poor drainage or too much shade may lead to weak growth or yellowing foliage. Occasionally, spider mites or aphids may appear.
Uses
Used as an ornamental shrub in gardens and landscapes for its unique blue foliage and compact form. Suitable for borders, rock gardens, and container planting.
Notes
Prune lightly in late winter or early spring to maintain shape. Avoid heavy pruning into old wood as it may not regrow well. Prefers well-drained soil; amend heavy clay soils to improve drainage.