Hypericum densiflorum
Bushy St. John's wort
Family HypericaceaeAlso called Dense St. John's wort
About
A densely branched shrub of wet, acidic ground in the eastern and southern United States, named for its crowded clusters of yellow flowers.
Care at a glance
- Pet safety
- Not recorded. We have no source on whether this plant is safe for cats, dogs or other pets — that is not the same as safe. Keep it out of reach until you have checked.
- People
- Not recorded.
- Soil
- Acidic, moist to wet soil; favours sandy clay loam.
- Mature size
- 0.5–2 m tall.
Field notes
Morphology
Grows 0.5–2 m tall with coppery bark and many slender branches. Linear leaves are 2.5–5 cm long. Yellow flowers 1.2–1.7 cm wide are packed into compound cymes, followed by narrow three-parted capsules. Flowers July to September.
Distribution & habitat
Stream, pond and lake banks, seepage slopes and wet meadows on acidic soil from sea level to 1,000 m, across the eastern and southern United States west to Texas and north to New York.
Ecology
Recognised as a pollinator plant that attracts bees.
History & etymology
Densiflorum is Latin for "densely flowered".
Habitat
- Altitude
- Not recorded
- Altitude class
- —
- Native to
- United States
Cultivation
- Difficulty
- Not recorded
Text adapted from Wikipedia, CC BY-SA 4.0.
Crossed H. densiflorum with another species?Register the cross. If it's not documented yet you'll be the first contributor; if someone already registered it, you'll be taken there to add your photo.