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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.

Map of select IRC data from peninsular Florida.

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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