Jacquemontia pentanthos, Skyblue clustervine, Key West Morning Glory

Skyblue clustervine (Jacquemontia pentanthos) is a south Florida native, naturally found only in Collier, Miami-Dade, Monroe, and Broward Counties. In Florida, it is listed as a state endangered species. It's an evergreen, twining vine that produces many small but showy flowers. Bloom color is typically sky blue but may have pinkish hues, all with white throats. Leaves are deeply veined and oval– to cordate-shaped.

This is a species of lower elevation, moist habitats - hammock and wetland edges it performs better when given ample moisture.  It can withstand extended drought, but declines under such conditions. It also cannot withstand extended periods of inundation.  As a coastal plant, it has some salt tolerance, but it is not a coastal dune plant and is not the best choice for those conditions.

Flowering occurs mostly in the winter months, but can occur at any time.  Large numbers of sky-blue flowers are produced in the leaf axils. As this is a member of the morning glory family, each flower opens in the morning, but remain open throughout the day.  Individual plants can have hundreds of flowers open at one time and are spectacular when they do. Naturally rare in Florida, skyblue clustervine is widely propagated by commercial nurseries.  In the landscape, it is relatively easy to maintain and it makes a wonderful wildflower on a trellis or fence. It is cold sensitive, so don't attempt it too far north of its natural range. Give it good moisture and plenty of sun.  It also is not long lived.  Thankfully, if it dies, it is not impossible to replace it with another plant.