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Lyonothamnus floribundus subsp. aspleniifolius (Catalina Ironwood)

Fernleaf Catalina Ironwood, Catalina Ironwood, Santa Cruz Island Ironwood, Lyonothamnus aspeniifolius, Lyonothamnus floribundus var. asplenifolius

Lyonothamnus floribundus subsp. aspleniifolius, Fernleaf Catalina Ironwood, Catalina Ironwood, Santa Cruz Island Ironwood, Lyonothamnus aspeniifolius, Evergreen Tree, Red Bark
Lyonothamnus floribundus subsp. aspleniifolius, Fernleaf Catalina Ironwood, Catalina Ironwood, Santa Cruz Island Ironwood, Lyonothamnus aspeniifolius, Evergreen Tree, Red Bark
Lyonothamnus floribundus subsp. aspleniifolius, Fernleaf Catalina Ironwood, Catalina Ironwood, Santa Cruz Island Ironwood, Lyonothamnus aspeniifolius, Evergreen Tree, Red Bark
Lyonothamnus floribundus subsp. aspleniifolius, Fernleaf Catalina Ironwood, Catalina Ironwood, Santa Cruz Island Ironwood, Lyonothamnus aspeniifolius, Evergreen Tree, Red Bark

Native to the Channel Islands of California, Lyonothamnus floribundus subsp. aspleniifolius (Catalina Ironwood) is a conical, evergreen tree boasting a ravishing exfoliating bark, peeling in long strips, a lovely mix of light gray and rich cinnamon red. The smaller stems and young twigs are often reddish. The shiny foliage of fern-like, dark green leaves, 4-6 in. long (10-15 cm), with paler undersides, is quite unique and attractive. In spring and summer, large flattened sprays of small, woolly white, five-petalled flowers are produced at the branch tips. They contrast nicely with the dark foliage. Tolerant of a variety of soils as long as drainage is good, Catalina Ironwood is prized as a garden specimen for its ornamental bark and elegant foliage. Great for bank stabilization, groves, it is well suited to the coastal climate of Southern California.

  • Grows up to 20-40 ft. tall (6-12 m) and 15-20 ft. wide (4-6 m).
  • Performs best in full sun or light shade in fertile, dry to medium, well-drained soils. Protect from cold, drying winds. Drought tolerant once established.
  • Great for wall-side borders, Mediterranean gardens, city gardens, bank stabilization or coastal gardens.
  • Low maintenance, easy to grow, easy to care for.
  • No serious pest or disease issues. May be affected by chlorosis in heavy soils.
  • No routine pruning necessary. Remove diseased, damaged, congested or crossing shoots.
  • Propagate by seed sown in containers outdoors in fall, or take greenwood cuttings in summer.
  • Native to Channel Islands, California.

Requirements

Hardiness 8 - 10
Heat Zones 9 - 10
Climate Zones 14, 15, 16, 17, 19, 20, 21, 22, 23, 24
Plant Type Trees
Plant Family Rosaceae
Exposure Full Sun, Partial Sun
Season of Interest Spring (Early, Mid, Late)
Summer (Early, Mid, Late)
Fall
Winter
Height 20' - 40'
(6.1m - 12.2m)
Spread 15' - 20'
(4.6m - 6.1m)
Maintenance Low
Water Needs Low, Average
Soil Type Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy, Evergreen
Native Plants United States, California
Tolerance Drought
Attracts Birds
Garden Uses Wall-Side Borders
Garden Styles City and Courtyard, Coastal Garden, Mediterranean Garden
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Recommended Companion Plants

Eriogonum arborescens (Santa Cruz Island Buckwheat)
Dendromecon harfordii (Island Tree Poppy)
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 8 - 10
Heat Zones 9 - 10
Climate Zones 14, 15, 16, 17, 19, 20, 21, 22, 23, 24
Plant Type Trees
Plant Family Rosaceae
Exposure Full Sun, Partial Sun
Season of Interest Spring (Early, Mid, Late)
Summer (Early, Mid, Late)
Fall
Winter
Height 20' - 40'
(6.1m - 12.2m)
Spread 15' - 20'
(4.6m - 6.1m)
Maintenance Low
Water Needs Low, Average
Soil Type Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy, Evergreen
Native Plants United States, California
Tolerance Drought
Attracts Birds
Garden Uses Wall-Side Borders
Garden Styles City and Courtyard, Coastal Garden, Mediterranean Garden
How Many Plants
Do I Need?

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