Melanthera nivea

Photographs belong to the photographers who allow use for FNPS purposes only. Please contact the photographer for all other uses.

Snow Squarestem, Salt & Pepper

Asteraceae (Compositae)

Plant Specifics

Size:2-5 ft tall by 2-4 ft wide
Life Span:Long-lived perennial
Flower Color:White
Fruit Color:NA
Phenology:Winter dormant
Noted for:Showy flowers


Recommended Uses:Use in a butterfly garden or informal wildflower garden.
Considerations:Can get rangy and may need pruning. Reseeds, so plant it where that's not a problem.
Availability:Native nurseries, Seed
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Somewhat moist, no flooding ----- to ----- Somewhat long very dry periods)
Moisture Tolerance: Somewhat moist, no flooding ----- to ----- Somewhat long very dry periods
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray/ Salty Soil Tolerance:Some tolerance to salty wind but not direct salt spray.
Soil or other substrate:Loam, Lime rock, Sand
Soil pH:Adaptable (usually acidic)



Heavily used by butterflies, skippers, bees, and wasps for nectar.  This plant is an insect magnet.

Native Habitats:Edges of upland hardwood forests, hydric hammocks, maritime hammocks, pine flatwoods, pine-oak-hickory woods, calcareous hammocks, coastal hammocks, open areas.

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:Although it has square stems and opposite leaves like members of the mint family (Lamiaceae), this is a member of the daisy family, but it has no ray florets that look like petals. All the florets in the flower head are fertile.