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Nature Reserve2 sightings50 species
California, US
Arastradero Preserve
You might spot Acorn Woodpecker and Western Fence Lizard.
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Where to see poison hemlock in California
We found 6 places featuring poison hemlock in California. Plan your next visit below.
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Botanical Garden50 species
California, US
Blake Garden
You might spot Monarch, Bee, and Anise Swallowtail.
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Historic District1 sightings50 species
California, US
Crystal Cove Historic District
You might spot Sunburst Anemone, Ochre Sea Star, and Striped Shore Crab.
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Forest1 sightings12 species
California, US
Arcata Community Forest
You might spot Pacific Banana Slug and Ensatina.
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Nature Reserve12 species
California, US
Elkhorn Slough National Estuarine Research Reserve
You might spot Great Egret, Acorn Woodpecker, and Great Blue Heron.
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State Park1 sightings12 species
California, US
Los Encinos State Historic Park
You might spot Duck, Red-Tailed Hawk, and Double-Crested Cormorant.
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Take the discovery with you
Looking for poison hemlock in California?
Take Snappit along to identify what you spot and add each discovery to your collection.
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poison hemlock
Rare · Plants
Map of poison hemlock sightings in California
Explore clustered snap locations for this species in California.
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Recent snaps of poison hemlock in California
Jun 14, 2026
Arastradero Preservei
Photo attribution
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License: CC0 1.0 ↗
Image may be shown cropped inside the card frame.