Black-Eyed Susan

Black-Eyed Susan

Scientific Name

Rudbeckia hirta

Geographical Considerations

Will this plant grow in my area?

View this image below in landscape mode highly recommended

Hardiness Zones

2a to 10b

This is a native Florida plant.

Yard Conditions

Will this plant grow in my yard?

Optimal Light

Black-Eyed Susan grows best in Full Sun.

Light Range

It performs in Partial Shade to Full Sun

Soil Texture

Any Texture

Soil Moisture

Well Drained

Soil pH

Slightly Acid to Slightly Alkaline (6.0-7.2)

Salt Tolerance

Low to None

DroughtTolerance

Medium

Wind Resistance

Not known

Toxicity

Not known

Nematode Tolerance

Not known

Appearance

What will it look like as it grows?

Plant Type

  • Annuals
  • Perennials

Plant Shape

  • Clumping

Leaf Persistence

Black-Eyed Susan is Evergreen

Spread

1-2 feet

Height

2-3 feet

Growth Rate

Moderate

Leaf Size

Medium

Leaf Texture

Fine

Flower Size

Large

Flower Month

  • June
  • July
  • August
  • September
  • October

Flower Color

  • Yellow

Plant Role for Butterflies

Nectar

Additional Detail

Large, yellow-orange to reddish-orange, summer flowers; does not tolerate prolonged, wet weather. | Pests/Diseases: aphids, powdery mildew, rust, smut | attracts butterflies, birds

UF IFAS Ext FFL