St. John’s Wort June 24, 2021 Wildflowers St. John’s WortHypericum scouleriSt. John’s Wort family St. John’s Wort is an invasive species that can crowd out natural plants. It’s is found across Southern BC and can produce up to 100,000 seeds per plant. St. John’s Wort, Bowen Park • June 21, 2021 SHELL Related Posts Perennial pea Don't eat the poisonous peas. Costmary Its aromatic leaves are edible. Common Mallow Gorgeous bright purply-pink, stripy flowers.