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Indianhemp Apocynum cannabinum
Apocynaceae
General Landscape Uses:
Natural wildflower gardens, erosion control.
Availability:
Grown by enthusiasts.
Description: Erect, bushy wildflower 3-5 feet tall. Small greenish-white flowers in clusters.
Dimensions: Typically 3-5 feet in height.
Range:
Widespread in North America south to Brevard, Alachua, and Hernando counties.
Soils: Moist to occasionally wet, well-drained to moderately well-drained, sandy, limestone, or organic soils, with or without humusy top layer.
Nutritional Requirements: Moderate; can grow in nutrient poor soils, but needs some organic content to thrive.
Salt Water Tolerance: Low; does not tolerate long-term flooding by salt or brackish water.
Salt Wind Tolerance: Low; salt wind may burn the leaves.
Drought Tolerance: Moderate; generally requires moist soils, but tolerant of short periods of drought once established.
Light Requirements: Full sun to light shade.
Flower Color: Greenish white
Flower Characteristics: Showy clusters.
Flowering Season: Summer.
Fruit: Seed pods
Wildlife and Ecology: Rarely grown as a monarch butterfly host.
References: Rickett 1975
Comments: We have been adding data for this species for central and northern Florida and welcome any feedback or review. If you would like to contribute information or images, please contact George Gann via the IRC staff page.
Map of select IRC data from peninsular Florida.
