Polygonum polygamum

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Jointweed, October Flower


Also known as Polygonella polygama

Plant Specifics

Size:1-5 ft tall by wide-spreading ft wide
Life Span:Long-lived perennial
Flower Color:White,pink
Fruit Color:White,red,brown
Phenology:Winter deciduous. Blooms late summer to mid fall.
Noted for:Showy flowers, Showy fruits


Recommended Uses:Dry, sunny wildflower garden.
Propagation:Seed. Rarely used in landscapes.
Availability:Native nurseries, Seed
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Short very dry periods ----- to ----- Very long very dry periods)
Moisture Tolerance: Short very dry periods ----- 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



Attracts bees  (CoastalPlainsPlants).  Documented species include Colletes inandibularis, Augochlorella aurata, Augochloropsis anonytna, A. metallica, Dialictus nyinphalis, D. placidensis, Halictus ligatus and  Sphecodes heraclei (Deyrup et al. 2002). 

Native Habitats:Scrub, sandhill, scrubby flatwoods, open disturbed areas.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures


General Comments:There are two varies in Florida:  Polygonum polygamum var. polygamum and  Polygonum polygamum  var. brachystachyum