Polygonum nesomii

Largeflower Jointweed, Sandhill Wireweed


Also known as Polygonella robusta

Plant Specifics

Life Span:Short-lived perennial
Flower Color:White,pink
Fruit Color:Orange
Phenology:Winter semi-dormant with a small rosette of leaves present.
Noted for:Showy flowers, Showy fruits


Recommended Uses:Dry wildflower garden. This plant flowers for 2-3 weeks in October. Abundant flowers are produced near the ends of the stems.
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Not wet but not extremely dry ----- to ----- Very long very dry periods)
Moisture Tolerance: Not wet but not extremely dry ----- to ----- Very long very dry periods
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray/ Salty Soil Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil or other substrate:Sand
Soil pH:Acidic



Seeds eaten by birds.


Attracts bees and butterflies (Hawthorn Hill).  Documented bee visitors include  Colletes mandibularis, C. thysanellae, Colletes sp. A, Hylaeus confluens, Augochlora pura, Augochlorella aurata, Augochloropsis anonyina, A. szcmnptuosa, Dialictus ininiatulus, D. nymnphalis, D. placidensis, Sphecodes heraclei, Anthidiellum perplexurn, Coelioxys sayi, C. octodentata, Megachile albitarsis, Apis inellifera and  Bornbus impatiens (Deyrup et al. 2002).

Native Habitats:Scrub, scrubby ruderal areas, sandhill, river levees.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 8B 9A 9B 

USDA zones are based on minimum winter temperatures