Scutellaria integrifolia

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Rough Skullcap, Helmet Skullcap

Lamiaceae (Labiatae)

Plant Specifics

Size:1-2 ft
Life Span:Short-lived perennial
Flower Color:Blue,purple
Phenology:Winter dormant
Noted for:Showy flowers


Recommended Uses:Wildflower garden. It blooms early before most of the other wildflowers.
Considerations:It's a prolific reseeder.
Propagation:Seeds are available through the Florida Wildflowers Growers Cooperative.
Availability:Native nurseries, Seed, Specialty providers
Light: Full Sun
Moisture Tolerance:
always floodedextremely dry
 (Somewhat moist, no flooding ----- to ----- Very long very dry periods)
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/ Salty Soil Tolerance:Some tolerance to salty wind but not direct salt spray.
Soil or other substrate:Sand
Soil pH:



Flowers attract pollinators, likely bees, flies, and/or butterflies and moths.

Native Habitats:Upland mixed forests, flatwoods, sandhill, ruderal areas.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

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

USDA zones are based on minimum winter temperatures


General Comments:

Salt tolerance has not been studied but it has been recorded (in New England) in salt marshes, suggesting tolerance of at least brackish water and likely tolerance of some salt spray.

Information is lacking regarding pollination for the species. However, the family exhibits flowers that are hermaphrodite, dioecious, or gynodioecious (fairly commonly), and is most often pollinated by insects, (bees, butterflies & moths, or flies).  Also has cleistogamous flowers,so self pollination may also occur(Collins 1976 as cited in New England Native Plant Trust, 2002).