Vibrant wildflowers bloom in Napa Valley

NAPA VALLEY, Calif. (KGO) -- It's a sign that spring has arrived! Wildflowers are blooming in the hills of Napa Valley.

Craig Philpott flew a drone over the colorful flowers on Sunday, March 28.

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There are some flower fields and patches in Napa Valley that are open to the public.

Visitors are asked to be respectful and to not cut or trample the flowers.