Native vs. Non-Native Species

Native Plant

  • Evolved in a particular region over a long period of time.
  • Adapts to the climate, hydrology and geology of its region.
  • Found in “communities”, meaning they have grown together with other plant species providing habitat for wildlife.
  • Positive impact on the local environment and ecosystem.

Non- Native Plant:

  • Introduced to an environment in which they did not evolve.
  • Introduced deliberately or by accident.
  • Negative impact on the local environment and ecosystem.

Impact of Non-Native Plants on environment:
When non-native plants are introduced into an environment, they eventually take over the entire area. Why?

  • Non-native plants have no natural enemies or predators, so there is nothing to stop them from spreading.
  • Ultimately, they can take over entire “communities” of native plants that support a variety of wildlife and create a monoculture.
  • Most native plants disappear leaving only the non-native plants.
  • When native plants disappear, most of the wildlife that were dependent on the native plants for habitat also disappear.

Why are Native Plants better for the environment?

  • They do not need a lot of maintenance because they developed for the specific ecosystem where they are found.
  • They do not need any additional fertilizers or pesticides which can pollute the soil and natural water systems.
  • Provide a variety of food and habitat for wildlife.
  • Part of our natural heritage.
  • Natural landscaping is an opportunity to reestablish diverse native plants, thereby inviting the birds and butterflies back home.
  • Save money because they require less maintenance.

Coast Live Oak

Western Sycamore

California Black Walnut

Valley OakWhite Alder

Laurel Sumac

Mulefat

California Encelia

Mugwort

California Sagebrush