Ivonne Lawson Cypress
Chamaecyparis lawsoniana 'Ivonne'
Ivonne
About this plant
Chamaecyparis lawsoniana 'Ivonne' is a slow-growing evergreen conifer with dense, soft, bright green foliage that turns a lovely yellowish-green in spring. It has a graceful, conical shape and is often used as an ornamental tree in gardens and landscapes. This cultivar is valued for its attractive color and compact form.
Taxonomy
- Genus
- Chamaecyparis
- Family
- Cupressaceae
- Higher classification
- Order: Pinales
- Plant type
- Tree
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Pacific Northwest USA
- Distribution
- Widely cultivated in temperate regions around the world, especially in gardens and parks in North America and Europe.
Care
- Light preference
- Partial sun
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- East-facing, Southeast-facing, South-facing
- Watering frequency
- Moderate
- Watering interval
- 7–14 days
- Humidity
- Normal
- Minimum
- -29 °C
- Maximum
- 30 °C
- Optimal
- 10-24 °C
- USDA hardiness zones
- 5-9
- Soil pH
- 5.5-7.0
- Soil type
- well-draining loam, slightly acidic to neutral
Watering. Water regularly during dry periods but allow the soil to dry slightly between watering. Avoid waterlogging to prevent root rot.
Fertilizing. Feed once a year in early spring with a balanced, slow-release fertilizer to support healthy growth. Avoid over-fertilizing as it can harm the plant.
This plant is fairly hardy and grows slowly. It prefers well-drained soil and can tolerate some shade. Overwatering or poor drainage can cause root problems, so water moderately and ensure good soil drainage. It requires occasional pruning to maintain shape.
Propagation
- Propagation methods
- Cuttings, Seeds
- Care difficulty
- Medium
Ornamental features
- Flowering
- No
Bright yellow-green foliage with a soft texture and conical form, providing year-round interest.
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
Chamaecyparis lawsoniana 'Ivonne' produces very little pollen, so it is unlikely to cause allergies. People sensitive to tree pollen generally do not have reactions to this plant. To reduce any minor exposure, avoid close contact during spring when pollen release is possible.
Common problems
Common problems include root rot from overwatering and needle browning if exposed to too much sun or drought stress. Pests are rare but watch for spider mites in dry conditions.
Uses
Primarily used as an ornamental tree in gardens and landscapes for its attractive foliage and shape.
Notes
Prune lightly in late winter or early spring to maintain shape. Repotting is rarely needed as this is usually grown outdoors. Protect young plants from strong winds and extreme heat.