General Landscape Uses:
Accent or specimen vine.
Grown by one or two native plant nurseries in South Florida. Available in Boynton Beach at Native Choice Nursery
N/A; a vine with stems to 6 feet or more in length.
Monroe County Keys north to Miami-Dade and Collier counties; West Indies, Mexico, Central America and South America; cultivated and naturalized elsewhere. Rare throughout its range in South Florida. In Miami-Dade County, limited to Everglades National Park and adjacent areas to the east of Long Pine Key. Apparently not native to and introduced in Broward County.
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.
Hammock edges, thickets and marl prairies.
Moist, well-drained limestone or calcareous sandy soils, with humusy top layer.
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:
High; can tolerate moderate amounts of salt wind without injury.
Moderate; generally requires moist soils, but tolerant of short periods of drought once established.
Light (sky) blue with a white throat.
Showy, about 3/4" wide; usually closing by midafternoon.
All year; peak in fall.
Wildlife and Ecology:
Provides food for birds. Nectar plant for nessus sphinx (Amphion floridensis), tantalus sphinx (Aellopus tantalus) and tersa sphinx (Xylophanes tersa) moths.
Can be grown from seed.
Skyblue clustervine is widely planted outside of its historic range and is escaping from cultivation. In the right conditions it can be fairly aggressive. It is listed as endangered by the State of Florida. Taxonomy: J. pentantha
is an orthographic variant. See also the Florida Wildflower Foundation's Flower Friday
page and Florida Natural Areas Inventory's Field Guide to the Rare Plants of Florida
page (Chafin 2000).