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PlantFiles: St Peter's Wort, Four Petal St. John's Wort
Hypericum tetrapetalum

Family: Clusiaceae
Genus: Hypericum (hy-PER-ee-kum) (Info)
Species: tetrapetalum (tet-ra-PET-al-lum) (Info)

Synonym:Ascyrum tetrapetalum


18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

6-9 in. (15-22 cm)

USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Blooms all year


Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
4.5 or below (very acidic)
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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to view:

By Floridian
Thumbnail #1 of Hypericum tetrapetalum by Floridian

By ButterflyGardnr
Thumbnail #2 of Hypericum tetrapetalum by ButterflyGardnr

By ButterflyGardnr
Thumbnail #3 of Hypericum tetrapetalum by ButterflyGardnr

By Michaelp
Thumbnail #4 of Hypericum tetrapetalum by Michaelp

By artcons
Thumbnail #5 of Hypericum tetrapetalum by artcons


No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral ButterflyGardnr On Dec 11, 2002, ButterflyGardnr from Orlando, FL (Zone 9b) wrote:

This plant is found only in FL and a few counties in southern GA. It prefers moist, well-drained [sandy] soils. It will tolerate at least short periods of inundation.


This plant has been said to grow in the following regions:

Fort Lauderdale, Florida
Orange Springs, Florida
Orlando, Florida
Chehalis, Washington

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