Hypericum Species, St. Peter's Wort, Four Petal St. John's Wort

Hypericumtetrapetalum

Family
Hypericaceae (hy-PER-ee-KAY-see-ee)
Genus
Hypericum (hy-PER-ee-kum)
Species
tetrapetalum (tet-ra-PET-al-lum)
Synonym
Ascyrum amplexicaule
Ascyrum cubense
Ascyrum tetrapetalum
Sun Exposure
Sun to Partial Shade
Foliage
Evergreen
Herbaceous
Smooth
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
6-9 in. (15-22 cm)
Hardiness
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)
Bloom Color
Bright Yellow
Bloom Time
Blooms all year
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
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
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Fort Lauderdale, Florida

Orange Springs, Florida

Orlando, Florida

Baton Rouge, Louisiana

Chehalis, Washington

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Gardener's Notes:

0
positive
1
neutral
0
negative
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B
Orlando, FL (Zone 9b) | December 2002 | neutral

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 lea...Read More

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