Fernleaf Catalina Ironwood

Lyonothamnus floribundus asplenifolius

Lyonothamnus floribundus asplenifolius (Fernleaf Catalina Ironwood) - full view

Full view

Lyonothamnus floribundus asplenifolius (Fernleaf Catalina Ironwood) - leaves

Foliage detail

Lyonothamnus floribundus asplenifolius (Fernleaf Catalina Ironwood) - bark

Bark detail

  • Size:

    Height 20-35'; Spread 15'

  • Growth:


  • Character:

    Evergreen; irregular form; moderate canopy.

  • Foliage:

    Dark green, narrow, deeply lobed leaves, 4-6" long, with fernlike leaflets, glossy above, gray and hairy below.

  • Flower:

    Tiny white flowers in clusters 4-8" across, bloom June-September, persist year-round. 

  • Fruit:

    Insignificant fruit. 

  • Bark:

    Rough, shredding red-brown bark. 

  • Watering:

    In general, 15-20 gallons per week for the first 2 years; 15-20 gallons twice a month for the 3rd year; as needed after 3 years (varies by soil, sun, and wind conditions).

  • Tree Care:

    Moderate. Early pruning needed to train a good shape; pruning needed less frequently with age.

  • Tolerance:

    Drought (once established), sandy soil, salt air; steady, moderate winds; fog.

  • Special Considerations:

    Some seemingly healthy specimens randomly die (currently under research). Prefers sun or partial shade. Needs excellent drainage and performs best with less wind exposure. Prone to suckering. Chlorosis may develop if planted in heavy soil.

  • Notable Traits:

    Native to Catalina Island. Good street tree for coastal areas, as long as it has some wind protection.