General Plant Information (Edit)
Plant Habit: Shrub
Sun Requirements: Full Sun
Water Preferences: Wet Mesic
Mesic
Dry Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Moderately alkaline (7.9 – 8.4)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 8b
Plant Height: 3 to 4 feet
Plant Spread: 3 to 6 feet
Leaves: Deciduous
Flowers: Showy
Flower Color: Yellow
Bloom Size: 1"-2"
Flower Time: Summer
Suitable Locations: Beach Front
Uses: Will Naturalize
Wildlife Attractant: Bees
Resistances: Drought tolerant
Salt tolerant
Pollinators: Various insects
Miscellaneous: Tolerates poor soil
Monoecious

Image
Common names
  • Shrubby St. John's Wort
  • Cinnamon Stick
  • Aaron's Beard
Botanical names
  • Accepted: Hypericum prolificum
  • Synonym: Hypericum spathulatum

Photo Gallery
Location: Southern Pines, NC (Boyd House garden)
Date: June 14, 2022
Shrubby Saint John's wort; RAB page 712, 126-1-8. AG page 92, 18-
Uploaded by molanic
Location: Southern Pines, NC (Boyd House garden)
Date: April 26, 2024
Shrubby Saint John's wort; RAB page 712, 126-1-8. AG page 92, 18-

Date: 2021-09-04
Location: Newland, NC
Date: 2020-08-08
Found this pretty bush on the edge of the lake.
Location: Southern Pines, NC (Boyd House garden)
Date: June 14, 2022
Shrubby Saint John's wort; RAB page 712, 126-1-8. AG page 92, 18-
Location: Fairfax, Virginia (May 2022)
Date: 2022-05-25
Location: Botanical Gardens of the State of Georgia...Athens, Ga
Date: 2022-06-21
Shrubby St. John's Wort 001
Location: Southern Pines, NC (Boyd House garden)
Date: June 14, 2022
Shrubby Saint John's wort; RAB page 712, 126-1-8. AG page 92, 18-
Location: Fairfax, VA | September, 2023
Date: 2023-08-26
Location: northeast Illinois
Date: summer in the 1980's
shrub in bloom
Location: Morton Arboretum in Lisle, Illinois
Date: 2016-07-18
shrub in bloom
Location: Morton Arboretum in Lisle, Illinois
Date: 2016-07-18
foliage and flowers
Location: Bea’s garden
Date: 2023-07-27
Location: Bea’s garden
Date: 2023-07-27

Courtesy Sunlight Gardens, used with permission
Location: IL
Date: 2017-07-02
Location: IL
Date: 2017-07-02
Comments:
  • Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Aug 16, 2018 7:59 PM concerning plant:
    The Shrubby St. Johnswort's native range goes from southern New England down to northern Georgia into areas of Louisiana to east Oklahoma to central Iowa to northeast Illinois through southern Michigan and the southeast tip of Ontario to central New York from swampy places to banks of watercourses to open upland woods and fields to upland shallow, rocky soils to cliffs in silt-clay loam soils to sandy or gravelly soils. The leaves are sort of shiny above, dark green, and to 3 inches long, with a poor yellow-green fall color. The dry, brown fruit is 3-celled capsules in fall and winter that rattle some when disturbed. The old stems get a heavy paper exfoliation revealing smooth glossy inner bark. It has a shallow, fibrous root system and is easy to transplant. I don't see this species very much in landscaping. In fact, I only see this Hypericum genus occasionally used in landscapes and gardens. It is known and used by landscape architects and some garden enthusiasts, but very little by the general public. Native plant nurseries sell it, but conventional nurseries really use more flashy selections of St. Johnsworts as the 'Sunburst' Golden St. Johnswort. I don't recommend lots of this Hypericum genus, but the use of some is good.
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