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Eucalyptus trees to landscape Southern Calif. freeways06-20-07 | News

Eucalyptus trees to landscape Southern Calif. freeways




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Use of thousands of eucalyptus trees has been approved by the California Transportation Commission.


Two thousand eucalyptus trees will landscape the interchange of Interstate 15 and the 210 freeway in Rancho Cucamonga, a Metrolink maintenance facility in Colton and landscaping for Jefferson Street in La Quinta. These were among the projects funded June 7 by the California Transportation Commission in Southern Calif.

The projects were included in a $2.5 billion infusion to two existing transportation programs, the State Transportation Improvement Plan and the State Highway Operation and Protection Program. The money for the additional projects was made available by voter approval of Prop. 1B last year.

Eucalyptus have made a significant impact on the Calif. horizon since the late 19th century. Because Calif. does not have native hardwoods, eucalyptus were used for fence posts, as pilings for wharves along the coast (lasted longer in salt water than pine or even redwood) and also as roadway supports. In the first decade of the 20th century, seasoned blue gum timber was even substituted in San Francisco for customers ordering maple, hickory and ironwood.1

Along the roadways of Calif., blue gums were first used, but their size and aggressive root systems tore up sidewalks and streets, plus they were too big to prune. Today, smaller and less aggressive eucalyptus are used.1

Sources:

  • Phil Pitchford, Riverside Press Enterprise.
  1. The Eucalyptus of California: Seeds of Good or Seeds of Evil? by Robert Santos, librarian/archivist, Cal. State University, Stanislaus.

library.csustan.edu/bsantos/euctoc.htm.

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