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Garden Visits  

Gray Hairstreak
Gray Hairstreak
(Strymon melinus)

Caterpillar hosts: Flowers and fruits from an almost endless variety of plants; most often from pea (Fabaceae) and mallow (Malvaceae) families including beans (Phaseolus), clovers (Trifolium), cotton (Gossypium), and mallow (Malva).

Adult food: Nectar from many flower species including dogbane, milkweed, mint, winter cress, goldenrod, tick trefoil, and white sweet clover.

The Gray Hairstreak can usually be found around open, nonforested sites; common in disturbed, weedy areas.

Visiting The Gardens

Please call (707) 823-3420 to arrange a tour, or email.

The gardens are open for guided tours, by appointment, from April 1 to October 31, and closed between November 1 and March 31.

  • A guided one-hour walk though Miss Louise Hallberg's Butterfly Gardens witnessing the life cycle of the butterfly and experiencing the beautiful, natural habitat in which our local butterflies thrive.

  • Please consider a minimum suggested donation of $10 per adult and $2 per child ($7 Senior/Student)

  • Souvenirs, books, and nature guides are available for purchase

  • A Port-a-Potty is available for guests

  • Bring your own water and snacks as there are none for sale

  • Wear comfortable walking shoes

  • Wheelchair access is limited

  • No strollers or pets, please

Please notify us as early as possible if you need to cancel or if the size of your group has changed so we can notify our volunteer docents

The Gardens are a wildlife sanctuary and habitat with many fragile plants and natural features that are easily disturbed. Please read these guidelines to your group:

Book: A Class Visit to Miss Lousie Hallberg's Garden
Garden Visits, illustration by Kathy Geotzel
  • Stay on designated paths in single file behind your docent

  • Refrain from yelling, screaming, or running through the garden

  • Please don't pick flowers or fruit, or climb trees fences or railings, which could disturb a caterpillar, chrysalis or butterfly

  • Take as many photos as you like, but leave only footprints
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