Jacquemontia pentanthos

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Skyblue Jacquemontia, Skyblue Clustervine


Plant Specifics

Size:Stems 6-12 ft, tend to sprawl but with support can be upright, to 12 ft
Life Span:Long-lived perennial
Flower Color:Blue
Phenology:Evergreen. Blooms fall-spring. Flowers usually close by afternoon.
Noted for:Showy flowers


Recommended Uses:Grow as a sprawling vine (will need to be tied to a fence or trellis) or used as a groundcover.
Propagation:Establish from seed or cuttings. Prune in late spring or early summer, after flowering has ceased. Heavy pruning in late summer could adversely affect fall/winter bloom.
Availability:Native nurseries, Seed
Light: Full Sun
Moisture Tolerance:
always floodedextremely dry
 (Usually moist, occasional inundation ----- to ----- Not wet but not extremely dry)
Moisture Tolerance: Usually moist, occasional inundation ----- to ----- Not wet but not extremely dry
Salt Water Flooding Tolerance:Tolerant of occasional/brief inundation such as can occur in storm surges.
Salt Spray/ Salty Soil Tolerance:High. Can tolerate significant and ongoing amounts of salty wind and salt spray without injury.
Soil or other substrate:Lime rock, Sand
Soil pH:Calcareous (high pH)



Provides food for birds.


Attracts a variety of insect pollinators including the Nessus sphinx (Amphion floridensis), Tantalus sphinx (Aellopus tantalus) and Tersa sphinx (Xylophanes tersa) moths. (Institute for Regional Conservation).

Native Habitats:Coastal hammocks esp. on dunes.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 11 

USDA zones are based on minimum winter temperatures


General Comments:This species is listed as Endangered by the State of Florida.  Please acquire only from reputable sources with proper permits.