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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.

Plant Map Map of select IRC data from peninsular Florida.

 Map of suggested ZIP codes north to Indian River and Manatee counties.

 Map of ZIP codes with habitat recommendations north to Martin and Charlotte counties.

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.

Comments: See also the Florida Wildflower Foundation's Flower Friday page.


Copyright by: Roger L. Hammer

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Shirley Denton


Other data on Hypericum tetrapetalum available from:



 
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