Seymeria spp.

Photo by Shirley Denton. 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 8A 8B 9A 9B 

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Blacksenna

OROBANCHACEAE

Also known as Seymeria pectinata, Seymeria cassioides

Plant Specifics

Size:3-4 ft
Life Span:Long-lived perennial
Flower Color:Yellow
Phenology:Spring-fall (mostly fall) blooming. Winter dormant.
Habitats:Open upland woods and disturbed edges.

Landscaping

Recommended Uses:Retain in semi-natural gardens.
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
Moisture Tolerance: Somewhat moist, no flooding ----- to ----- Very long very dry periods
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:-

Wildlife

caterpillarpollinator

  • Larval host for  black buckeye.
  • Attracts insects.