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Atlantic St. John's-wort
Hypericum reductum
Hypericaceae
 

Copyright by: Shirley Denton

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

Availability: Grown by enthusiasts.

Description: Small shrubby wildflower with needle-like leaves.

Dimensions: About 6-18 inches in height. As broad as tall or broader.

Growth Rate: Moderate.

Range: Southeastern United States south to Palm Beach and Collier counties.

Plant Map Map of select IRC data from peninsular Florida.

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

Habitats: Pinelands and scrub.

Soils: Moist to dry, well-drained sandy soils, without humus.

Nutritional Requirements: Low; it grows in nutrient poor soils.

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 high; plants growing in extremely dry soils may die during extended periods of drought.

Light Requirements: Full sun.

Flower Color: Yellow.

Flower Characteristics: Semi-showy.

Flowering Season: Spring-summer.

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: Shirley Denton

Copyright by: George D. Gann, 2017
In cultivation, Florida

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Keith A. Bradley

Copyright by: Keith A. Bradley


Other data on Hypericum reductum available from:



 
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