Boehmeria cylindrica

Photo by Shirley Denton, Suncoast Chapter FNPS. Photograph belongs to the photographer who allows use for FNPS purposes only. Please contact the photographer for all other uses.

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 11 8A 8B 9A 9B 

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Small-spike False-nettle, Bog Hemp


Plant Specifics

Size:2.5 to 4 ft tall by 1 to 3 ft wide
Life Span:Short-lived perennial
Flower Color:Green
Phenology:Winter dormant
Habitats:Cypress swamps, floodplain forests, wet thickets, stream banks, marshes, wet forests, marshy shores, ditches.


Recommended Uses:Ground cover in moist sites in casual settings. Very attractive when young, but becomes somewhat weedy and tall as it matures. Probably better suited for restoration than landscaping.
Light: Part Shade,  Shade
Moisture Tolerance:
always floodedextremely dry
Moisture Tolerance: Aquatic ----- to ----- Usually moist, occasional inundation
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil/Substrate:Clay, Loam, Organic material (muck)



Larval host for several species of moths.

Larval host for red admiral (Vanessa atalanta) and eastern comma (Polygonia comma) butterflies.