Home Prairie and Wetland Center
16245 South Hwy. 71
Belton, MO 64012
Tel: (816) 331-9738
Fax: (816) 331-9739

Senna (Cassia) marilandica

Wild Senna

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Senna (Cassia) marilandica (Wild Senna)

In the summer, clusters of brownish yellow pea-like flowers top unbranched stems on this perennial. In fall, to pea-like pods up to four inches long turn black and remains ornamental through the winter. A shrubby herbaceous perennial with feathery, locust-like dull green leaves that makes a great, back-row plant for the flower bed. It is the larval food source for two sulphur butterflies.

Additional Information:


Height
36-60 Inches

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Spread
24-36 Inches

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Bloom/Seasonal Color
Medium Yellow


USDA Hardiness Zone 4-9

Home Owner Growing and Maintenance Tips:

Good Companions
Shining Blue Star (Amsonia illustris), Marsh Milkweed (Asclepias incarnata), New England Aster (Symphyotrichum novae-angliae), Rose Turtlehead (Chelone obliqua), Elderberry (Sambucus canadensis)

Characteristics & Attributes

Nature Attracting

Butterfly

Season of Interest

Winter (Nov-Mar)
Late (July-frost)

Soil Moisture

Moderate
Average

Special Uses

Dried Flower

Sun Exposure

Full Sun

USFS MO Ecological Map

Wildlife Benefit

Butterfly Host