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Black eyed susan

Rudebeckia hirta


Plant Type


Hardiness Zone

4 - 8b

Flower Color


Bloom Period


Height at Maturity

2 feet - 4 feet

Width at Maturity

1 foot - 2 feet

Sun Requirements


Soil Type

Clay, loam, moderately moist

About this species:

The black eyed susan is an upright, branching perennial.  The leaves are toothed and alternate along the stem.  The flower is daisy like in appearance with a brown domed center.

Butterflies and moths, flies and beetles are attracted to this plant for its nectar.  Song birds, such as the American goldfinch, and small mammals enjoy the seeds as well as stems and leaves.  The black eyed susan is also a larval host for butterflies.  If you leave this plant standing, you can enjoy the birds that visit in the winter.

There are no serious diseases or insect issues however it sometimes is affected by powdery mildew.  It is deer resistant and drought tolerant.


Key to Label Symbols:

Hollow stems, leaves and roots are sources of shelter for wildlife. Insects may make a winter home under dropped leaves. Other animals may make shelters within the roots of the plant.
Food Source
Birds and other wildlife use the seeds, berries and leaves for their food source. Leaves may be used to help build nests for birds
Nectar Source
Bees, butterflies, birds and some insects use nectar for their food. Pollen is also used by some wildlife.
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