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California Native Plant Society

Santa Clara Valley Chapter

Seed Packet Information: California Shady Wildflower Mix

California Shady Wildflower Mix

We hope you enjoy your seeds from the CNPS SCV Wildflower Ambassadors program. This plant mix is designed to provide flowers over a period of three months in the spring and early summer in a shady area. 

Planting Instructions

Fall through winter is the ideal time to start growing California native wildflowers as these have adapted to capitalize on the fall and winter rains (October-February is best) and bloom in spring. They may be planted through April, but after that it is best to wait until at least September to plant them as they do not do well when planted in late spring or summer.

Checkerspot Butterfly by Vivian NeouChoose A Site & Prepare Your Soil

  1. Choose a spacious site in full sun.
  2. Prepare your soil (or several very large pots), by removing all existing growth and debris. If your soil is clay, break it up with some compost or cactus soil (sold at nurseries).
  3. Water thoroughly to help seeds settle into the soil. Continue to water a few times a week, unless it rains, so they don’t dry out after germinating. Seeds should sprout in one to three weeks. 
  4. After you plant your seeds, let the area ‘go natural’ by leaving the leaf litter on the ground. While many butterflies go into chrysalis on stems or other hard surfaces like branches, many others go into chrysalis in the debris. If you rake or blow it, you could accidentally kill or throw them away.

Avoid using pesticides anywhere in your garden, it will kill the beneficial insects such as bees, butterflies, moths, and ladybugs that you are trying to attract. Try to ignore bugs, as they are part of the ecosystem (for instance, hummingbirds eat aphids). If you hose the plant or try to remove pests you may dislodge butterfly or ladybug eggs or kill tiny caterpillars.  Avoid using herbicides as they also poison the ecosystem you are trying to nurture.

Plants In The California Shady Wildflower Mix


  • Mountain Garland, Clarkia unguiculata (hosts Clark's Day Sphinx Moth)
  • Chinese Houses, Collinsia heterophylla (hosts Variable Checkerspot)
  • Baby Blue-Eyes, Nemophila menziesii (hosts Owlet Moth)
  • Five Spot, Nemophila maculate (hosts Alfalfa Looper Moth)
  • Farewell to Spring, Clarkia amoena (hosts White Lined Sphinx Moth)
  • Punchbowl Godetia, Clarkia bottae (hosts Mariposa Forester)
  • Bird’s Eye Gilia, Gilia tricolor (hosts Spotted Sun Straw Moth)
  • Grand Linanthus, Linanthus grandifloras (hosts Buckwheat Borer Moth)

The list of moths and butterflies hosted by these plants is just a sample, these plants are a host to many more - a comprehensive list of butterflies each plant hosts, and details about the plants and butterflies, can be found at

*”Host” = key food source for the caterpillars of these particular butterflies, that co-evolved to specialize over thousands of years. Butterflies die out without these plants.

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Upcoming Events

Mon May 20 @ 8:00AM -
Lake Cunningham Native Garden
Thu May 23 @ 7:00PM - 09:00PM
CNPS SCV Board Meeting
Fri May 24 @ 9:00AM - 12:00PM
Friday Edgewood Restoration
Fri May 24 @ 7:00PM - 08:50PM
Photography Group - Photo Sharing Meeting
Sat May 25 @ 8:00AM -
Lake Cunningham Native Garden
Sat May 25 @10:00AM - 12:00PM
Fountain Thistle Work Party
Sat May 25 @10:00AM - 01:00PM
“Seas of Downingias” Vernal Pool Wildflower Tour
Mon May 27 @ 8:00AM -
Lake Cunningham Native Garden
Tue May 28 @ 7:00PM - 09:00PM
Native Plant ID
Fri May 31 @ 9:00AM - 12:00PM
Friday Edgewood Restoration