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Native Plant Database

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Silphium simpsonii (Simpson's rosinweed)
Dana, Michael

Silphium simpsonii Greene

Simpson's rosinweed, Tall Rosinweed

Asteraceae (Aster Family)

USDA Symbol: SISI

USDA Native Status: Native to U.S.

A big perennial (4 to 5 feet or more) with 2-inch yellow flower heads that bloom from mid-summer to fall when hardy bloomers are appreciated. Use as a background accent.

 

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: 4-6
Flower:
Fruit:
Size Class: 3-6 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jul , Aug , Sep , Oct

Distribution

USA: FL
USDA Native Status: L48(N)

Growing Conditions

Water Use: Low
Light Requirement: Sun , Part Shade
Soil Moisture: Dry , Moist
Conditions Comments: A denizen of the prairie or bright woodland edge, Simpsons rosinweed is a good nectar source for butterflies. Appreciates good drainage but is tolerant of a variety of soils from sand to clay.

Benefit

Conspicuous Flowers: yes
Attracts: Butterflies
Nectar Source: yes
Deer Resistant: Minimal

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:

Lady Bird Johnson Wildflower Center - Austin, TX

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Silphium simpsonii in USDA Plants
FNA: Find Silphium simpsonii in the Flora of North America (if available)
Google: Search Google for Silphium simpsonii

Metadata

Record Modified: 2007-01-01
Research By: TWC Staff

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