Index / Search / Hypericum cistifolium

§1 Plant

Hypericum cistifolium Lam.

vernacular roundpod St. Johnswort — species · Clusiaceae


USDA
HYCI
GBIF
3189466
Rank
species
roundpod St. Johnswort (Hypericum cistifolium)
Platephotograph · Tom PalmerCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb, Shrub, Subshrub
Duration
Perennial
Group
Dicot
Family
Clusiaceae Lindl.
Genus
Hypericum
§2a

Native status, by region

  • L48 Lower 48 States Native
§2b

County-level range

· 148 counties across 9 states/territories
Legend Native · 148 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-33 °F minimum
Frost-free days
160 min.
Precipitation
32–55 in/yr
pH range
4.6–7
Root depth
9 in min.
Fertility need
Low
Soil texture
coarse, medium
§3c

Form & growth

Growth form
Stoloniferous
Growth rate
Moderate
Lifespan
Moderate
Mature height
2.5 ft
Foliage texture
Coarse
Foliage colour
Green
Porosity (summer)
Moderate
Porosity (winter)
Porous
Flower colour
Yellow
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Early Summer
Seed abundance
Medium
Seed begins
Summer
Seed ends
Summer
Spread rate
Slow
Stratify
Yes
Propagation
bare root, container
§3e

Use & availability

Commercial availability
No Known Source
Nursery stock
No
Palatable, human
No
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 148 counties across 9 states/territories.

Alabama view state ↗ 7 N
Florida view state ↗ 63 N
Georgia view state ↗ 29 N
Louisiana view state ↗ 9 N
Mississippi view state ↗ 6 N
North Carolina view state ↗ 18 N
South Carolina view state ↗ 11 N
Tennessee view state ↗ 1 N
Texas view state ↗ 4 N

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/HYCI ↗

GBIF Backbone

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

gbif.org/species/3189466 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T20:46:58Z