Index / Search / Hypericum densiflorum

§1 Plant

Hypericum densiflorum Pursh

vernacular bushy St. Johnswort — species · Clusiaceae


USDA
HYDE
GBIF
3189457
Rank
species
bushy St. Johnswort (Hypericum densiflorum)
Platephotograph · Eric in SF source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Shrub
Duration
Perennial
Group
Dicot
Family
Clusiaceae Lindl.
Genus
Hypericum
§2a

Native status, by region

  • L48 Lower 48 States Native
§2b

County-level range

· 170 counties across 16 states/territories
Legend Native · 170 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
Low
Shade
Low
Moisture use
Medium
Fire
Low
Salinity
None
Anaerobic
Medium
CaCO₃
Low
Hedging
None
§3b

Climate & soil

Cold tolerance
7 °F minimum
Frost-free days
140 min.
Precipitation
35–50 in/yr
pH range
4–7.5
Root depth
18 in min.
Fertility need
Low
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Multiple Stem
Growth rate
Slow
Lifespan
Moderate
Mature height
6.6 ft
Foliage texture
Fine
Foliage colour
Green
Porosity (summer)
Dense
Porosity (winter)
Moderate
Flower colour
Yellow
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Late Spring
Seed abundance
Medium
Seed begins
Spring
Seed ends
Summer
Spread rate
Slow
Stratify
No
Propagation
bare root, container
§3e

Use & availability

Commercial availability
Routinely Available
Nursery stock
No
Browse palatability
Low
Graze palatability
Low
Palatable, human
No
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 170 counties across 16 states/territories.

Alabama view state ↗ 7 N
Arkansas view state ↗ 1 N
Delaware view state ↗ 2 N
District of Columbia view state ↗ 1 N
Georgia view state ↗ 9 N
Kentucky view state ↗ 1 N
Louisiana view state ↗ 28 N
Massachusetts view state ↗ 1 N
New Jersey view state ↗ 9 N
New York view state ↗ 3 N
North Carolina view state ↗ 33 N
Pennsylvania view state ↗ 5 N
South Carolina view state ↗ 5 N
Tennessee view state ↗ 25 N
Virginia view state ↗ 21 N
West Virginia view state ↗ 19 N

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/HYDE ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/3189457 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T09:28:40Z