Glen Park News: Summer 2012 edition

GPN summer2012H

Click link above to see a PDF of the summer 2012 edition.

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3 Comments

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3 responses to “Glen Park News: Summer 2012 edition

  1. elizabethweise

    Kudos to the GP News team – the paper looks beautiful!

  2. Mic

    I agree And thanks for uploading the summer edition so quickly :>

  3. Denise

    I just noticed Kay’s column in the Spring edition.. I appreciate the article on native plants. I wonder if you’ve read about the definition of native plants by Jake Sigg, a retired gardener of Golden Gate Park. His editorial in the California Native Plant Society’s Fremontia explains that native plants from Southern California, for example, can be invasive in other parts of California. What’s native has everything to do with location, location, location. Find Jake’s editorial in the July 2009 edition of Fremontia at http://www.cnps.org/cnps/publications/fremontia/Fremontia_Vol37-No3.pdf

    As a student of Jake’s and City College of SF, I’ve also learned that I should not bring non-local plants into SF that can cross-pollinate with local natives, especially of the same species. The result would be a muddying of the local gene pool and a loss of the plant that evolved to live in SF. Witness the loss of the pale form of our State flower, the CA poppy. People so love the deep orange color of the inland form that they spread seed around the State by the hundreds of pounds. We have since lost the pale yellow form, due to hybridization and human disruption. Since I’m not smart enough to know which plants can cause such havoc, I will not plant or bring in any non-locals.

    Part of the problem is that the public is unaware that stores sell “native plants” from outside SF. Stores still sell invasive non-native plants like pampasgrass, iceplant and broom. “Why?” you ask. The reason is that CA law says we may not regulate plants in the horticultural trade. And stores say their customers ask for these plants. So we must educate the public about local native plants and invasive plants. If a person wants to buy a native plant, they should ask whether the plant’s pedigree/heritage/lineage is local to SF. If the pedigree is unknown, avoid the plant. If a person wants to buy a non-native plant, they should check to make sure it is not invasive. A word of warning is that stores say their broom hybrids are sterile or not invasive, but we must avoid such hybrids, because even sterile plants can become productive and invasive.

    So if we are serious about doing the right thing by our very special native plants that have evolved in SF, the best thing would be to get educated. I recommend joining events sponsored by CNPS. The Yerba Buena (SF) Chapter’s website is http://www.cnps-yerbabuena.org/. Their next event is a guided tour of Strybing Arboretum’s Native Plant Garden on Tuesday evening, April 2, 2013, at 5:30, b-y-o-dinner. Meet promptly at the gate near 9th Ave./Lincoln, as the gate will be locked after we enter.

    Thanks,
    Denise Louie

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