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Dwarf False Indigo
Amorpha nana

Dwarf false indigo is a drought-tolerant legume with showy purple flowers. A host plant for Silver Spotted Skipper butterfly larvae and a favorite of pollinators.

USDA symbol: AMNA

General Information

Plant TypeShrub
Height1 to 2 feet
Light ExposureSun
Soil MoistureDry
Bloom ColorPurple, Red, Blue
Dwarf False Indigo (Dwarf False Indigo<div><em class="small">Amorpha nana</em></div>)
Photo credit: Minnesota Wildflowers (Click to enlarge)


Flooding / Inundation ToleranceModerate
General Resilience8
Salt ToleranceLow
Stress ToleranceDrought Tolerant

Pollinator Value: High

Bloom MonthsJune to July
Larval Host ofBees
Specific Pollinators HostedMegachile dakotensis
Pollinator BenefitInsect Pollinated, Provides Nectar, Supports Specialists

Project Planning

Project TypeErosion Control, Rain Garden, Restoration
Coefficient of Conservatism8
Herbivore SensitivityLow
Rate of SpreadMedium
Soil StabilizationShallow
Vegetative ReproductionClonal


CountyAnoka, Becker, Big Stone, Blue Earth, Brown, Chippewa, Clay, Crow Wing, Douglas, Faribault, Grant, Jackson, Kandiyohi, Kittson, Lac qui Parle, Le Sueur, Mahnomen, Marshall, Martin, McLeod, Meeker, Mower, Nobles, Norman, Otter Tail, Pennington, Polk, Pope, Red Lake, Redwood, Renville, Rock, Sibley, Stearns, Swift, Todd, Traverse, Waseca, Watonwan, Wilkin, Yellow Medicine
EcoregionDriftless Area, Lake Agassiz Plain, North Central Hardwood Forests, Northern Glaciated Plains, Northern Lakes and Forests, Northern Minnesota Wetlands, Western Cornbelt Plains
Approximate Eco ProvinceEastern Broadleaf Forest, Laurentian Mixed Forest, Prairie Parkland, Tallgrass Aspen Parklands