Boehmeria cylindrica

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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
Fruit Color:NA
Phenology:Winter dormant
Noted for:Interesting foliage


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.
Considerations:Can become overly abundant. Plant with caution.
Propagation:Seed and root cuttings. Seeds are available through the Florida Wildflowers Growers Cooperative
Availability:Native nurseries, Seed
Light: Part Shade,  Shade
Moisture Tolerance:
always floodedextremely dry
 (Aquatic ----- to ----- Usually moist, occasional inundation)
Moisture Tolerance: Aquatic ----- to ----- Usually moist, occasional inundation
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:Clay, Loam, Organic material (muck)
Soil pH:Acidic



Larval host for several species of moths.

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

Native Habitats:Cypress swamps, floodplain forests, wet thickets, stream banks, marshes, wet forests, marshy shores, ditches.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

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

USDA zones are based on minimum winter temperatures


General Comments:This species is in the Nettle Family and looks much like stinging nettle. However, it does not have stinging hairs.