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Additional Sponsors:

Broward Chapter of the
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Green Isle Gardens

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Sweet Bay Nursery, LLC

Veber's Jungle Garden, Inc.



Swamp milkweed
Asclepias incarnata
Apocynaceae


General Landscape Uses:

Primarily recommended for natural landscapes and habitat restorations. Also wildflower and butterfly gardens.

Ecological Restoration Notes:

A rare understory herb in freshwater wetlands.
Availability:
Grown by one or two native plant nurseries in South Florida. Available in Davie at Alexander Landscaping & Plant Farm (954-472-5039) and in Parrish at Sweet Bay Nursery, LLC (941-776-0501).
Description:
Erect medium to large wildflower. Leaves about 3 inches long.
Dimensions:
Typically 3-5 feet in height. Taller than broad.
Growth Rate:
Moderate.
Range:
Widespread in North America south to Miami-Dade County and the Monroe County mainland. Rare in South Florida.
Habitats:
Swamps, wet hammocks and wet prairies.
Soils:
Wet to moist, poorly-drained to moderately well-drained organic soils, with or 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:
Low; requires moist to wet soils and is intolerant of long periods of drought.
Light Requirements:
Light shade to moderate shade or full sun.
Flower Color:
Bright pink and white or rarely white.
Flower Characteristics:
Showy.
Flowering Season:
Summer.
Fruit:
Slender pod (follicle) with wind dispersed seeds.
Wildlife and Ecology:
Larval host plant for monarch (Danaus plexippus) and queen (Danaus gilippus) butterflies; possible larval host of soldier (Danaus eresimus) butterflies. Nectar plant for Delaware skipper (Anatrytone logan), fiery skipper (Hylephila phyleus), giant swallowtail (Papilio cresphontes), monarch (Danaus plexippus), ocola skipper (Panoquina ocola), sachem (Atalopedes campestris) and variegated fritillary (Euptoieta claudia) and other butterflies. It also provides nectar for other insects.
Horticultural Notes:
Can be grown from seed.
Comments:
An excellent butterfly plant, but rare in South Florida and perhaps not well-adapted to our area.


 


Shirley Denton
Shirley Denton
Shirley Denton
George D. Gann, 2017
In cultivation, Florida