Hypericum perforatum

St John's wort - Hypericaceae - zone 3-8 - herbaceous perennial - June to August blooms - sun part shade - wards off evil - treatment of wounds - creeping rhizomes - seeds can persist for decades in soil - Europe Western Asia Northern Africa - well drained - tolerates some drought - self seeding - star shaped yellow flowers - flowers bloom on birthday of St John the Baptist June 24 - wort = healing plant - anti depressant - rangeland weed - weedy - can poison