Santa Cruz Island Ironwood
Lyonothamnus floribundus
Also known as Island Ironwood, Ironwood, Catalina Ironwood
Climate Match for your location
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A native California island tree with feathery, fern-like foliage and clusters of small white to pink flowers. Extremely drought-tolerant and fire-resistant, ideal for Mediterranean and xeric gardens.
Why grow it
Lyonothamnus floribundus offers fine-textured foliage and reliable flowering with lower water demand than many ornamental trees suited to Mediterranean climates. It compares favorably to coast live oak or toyon where a smaller, more delicate silhouette is desired, and tolerates poor, sandy soils that limit options for many landscape trees. The feathery pinnate leaves provide visual interest through multiple seasons without the aggressive growth habit of some drought-adapted species.
Watch out for
Young plants benefit from consistent moisture during establishment, even though mature specimens are drought-tolerant; transplant shock can occur if water is withheld too abruptly. Growth may be slow in the first few years, requiring patience before the plant reaches ornamental maturity. In coastal regions outside its native range, ensure good air circulation to minimize fungal issues in humid conditions.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Rosaceae
Native to the United States
Native Range
Santa Cruz Island, California
Native to: California
Seasonality
Bloom Season
Season of Interest
Notable Cultivars
The species itself is relatively uncommon in cultivation; 'Compact' is a smaller cultivar known for dense growth, though availability is limited.
Sub-canopy
Smaller trees living beneath the canopy.
Succession Role
Tolerances & Soil
Establishment & Care
- Establishment
- Maintenance
- Propagation
A native California island tree with feathery, fern-like foliage and clusters of small white to pink flowers. Extremely drought-tolerant and fire-resistant, ideal for Mediterranean and xeric gardens.
Climate Match for your location
See how well Santa Cruz Island Ironwood grows in your area.
Enter your ZIP code and we'll show you how this plant fits your local climate.
Why grow it
Lyonothamnus floribundus offers fine-textured foliage and reliable flowering with lower water demand than many ornamental trees suited to Mediterranean climates. It compares favorably to coast live oak or toyon where a smaller, more delicate silhouette is desired, and tolerates poor, sandy soils that limit options for many landscape trees. The feathery pinnate leaves provide visual interest through multiple seasons without the aggressive growth habit of some drought-adapted species.
Watch out for
Young plants benefit from consistent moisture during establishment, even though mature specimens are drought-tolerant; transplant shock can occur if water is withheld too abruptly. Growth may be slow in the first few years, requiring patience before the plant reaches ornamental maturity. In coastal regions outside its native range, ensure good air circulation to minimize fungal issues in humid conditions.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Rosaceae
Native to the United States
Native Range
Santa Cruz Island, California
Native to: California
Seasonality
Bloom Season
Season of Interest
Sub-canopy
Smaller trees living beneath the canopy.
Succession Role
Tolerances & Soil
Establishment & Care
- Establishment
- Maintenance
- Propagation
Similar sub-canopy trees you might consider:
Enter your ZIP code to see top native species and strong climate fits for you.
Companion Planting
Plants well with
Notable Cultivars
The species itself is relatively uncommon in cultivation; 'Compact' is a smaller cultivar known for dense growth, though availability is limited.