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Fourpetal St. John's-wort
Hypericum tetrapetalum
Hypericaceae
 

Copyright by: Roger L. Hammer

General Landscape Uses: Primarily recommended for natural landscapes and habitat restorations. Also wet wildflower gardens.

Availability: Grown by enthusiasts.

Description: Small shrubby wildflower.

Dimensions: About 2-3 feet in height. Taller than broad.

Growth Rate: Moderate.

Range: Georgia south to Miami-Dade and Collier counties.

Map of select IRC data from peninsular Florida.

Habitats: Pinelands.

Soils: Wet to moist, seasonally inundated sandy soils, without humus.

Nutritional Requirements: Moderate; can grow in nutrient poor soils, but needs some organic content to thrive.

Salt Water Tolerance: Low; does not tolerate flooding by salt or brackish water.

Salt Wind Tolerance: Low; salt wind may burn the leaves.

Drought Tolerance: Moderate to low; requires moist to wet soils, but tolerant of short periods of drought once established.

Light Requirements: Full sun.

Flower Color: Yellow.

Flower Characteristics: Semi-showy.

Flowering Season: All year; peak spring-fall.

Fruit: Inconspicuous capsule.

Wildlife and Ecology: Provides some food and cover for wildlife.

Horticultural Notes: Can be grown from seed. Harvest seed when mature, but before it becomes dried out.


Copyright by: Roger L. Hammer

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Shirley Denton


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