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Rudbeckia maxima (Giant coneflower) | NPIN
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Rudbeckia maxima (Giant coneflower)
Marcus, Joseph A.

Rudbeckia maxima

Rudbeckia maxima Nutt.

Giant coneflower, Great coneflower, Giant Brown-eyed Susan

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: RUMA3

USDA Native Status: L48 (N)

Giant brown-eyed Susan has clumps of silvery-blue foliage that give rise to stately flower stalks. The flowers have intense yellow ray flowers that dangle from tall brown centers. It should be cut back to the base after blooming to keep tidy and be planted in mass for best effect in landscapes.

 

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: 3-6 feet
Leaf: Gray-Green
Flower:
Fruit:
Size Class: 3-6 ft.

Bloom Information

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

Distribution

USA: AR , LA , OK , SC , TX
Native Distribution: L48(N)
Native Habitat: Found in moist open places. Forming beds in low ground, sandy or silty soils; east Texas west to East Cross Timbers. Seems pretty drought resistance despite its swampy origins.

Growing Conditions

Water Use: High
Light Requirement: Sun , Part Shade
Soil Moisture: Moist
CaCO3 Tolerance: Low
Drought Tolerance: Low
Conditions Comments: The flowers have intense yellow petals that dangle from tall brown centers. Clumps of silvery-blue foliage give rise to stately flower stalks.

Benefit

Use Ornamental: Makes a good cut flower.
Conspicuous Flowers: yes
Interesting Foliage: yes

Value to Beneficial Insects

Special Value to Native Bees

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

Find Seed or Plants

Order seed of this species from Native American Seed and help support the Wildflower Center.

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: FAC FAC FACW FAC
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Suppliers Directory

According to the inventory provided by Associate Suppliers, this plant is available at the following locations:

Edge of the Woods Native Plant Nursery - Orefield, PA
Wrights Nursery - Briggs, TX
Sunshine Farm & Gardens - Renick, WV

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Lady Bird Johnson Wildflower Center - Austin, TX
Texas Discovery Gardens - Dallas, TX
NPSOT - Austin Chapter - Austin, TX
NPSOT - Williamson County Chapter - Georgetown, TX
Mt. Cuba Center - Hockessin, DE

Wildflower Center Seed Bank

LBJWC-1066 Collected 2011-07-23 in Harrison County by Lady Bird Johnson Wildflower Center

1 collection(s) available in the Wildflower Center Seed Bank

Bibliography

Bibref 1620 - Gardening with Native Plants of the South (Reprint Edition) (2009) Wasowski, S. with A. Wasowski

Search More Titles in Bibliography

Additional resources

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

Metadata

Record Modified: 2013-09-11
Research By: TWC Staff

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