General Plant Information (Edit)
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Wet Mesic
Mesic
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9b
Plant Height: 4 feet
Plant Spread: 4 feet
Flowers: Showy
Flower Color: Yellow
Flower Time: Late spring or early summer
Summer

Image
Common names
  • St. John's Wort

Photo Gallery

Date: July 2002
public domain photo by Adrian Pingstone via Wikimedia Commons: ht
Location: Oxfordshire, England
Date: 2016-07-10
Location: Stoneham MA
Date: September 22, 2021
Location: Willow Valley Communities, Lakes Campus, Willow Street, Pennsylvania USA
Date: 2019-06-18
Pollinator???
Location: Willow Valley Communities, Lakes Campus, Willow Street, Pennsylvania USA
Date: 2019-06-18

Photo courtesy of Joy Creek Nursery
  • Uploaded by Joy
Location: CZ Sirem My garden
Date: 4000-07-11
Location: CZ Sirem My garden
Date: 4000-07-11
Location: CZ Sirem My garden
Date: 4000-07-11
Location: CZ Sirem My garden
Date: 2015-07-11
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