Swamp Sunflower

Swamp Sunflower

Scientific Name

Helianthus angustifolius

Geographical Considerations

Will this plant grow in my area?

View this image below in landscape mode highly recommended

Hardiness Zones

5a to 9b

This is a native Florida plant.

Yard Conditions

Will this plant grow in my yard?

Optimal Light

Swamp Sunflower grows best in Full Sun.

Light Range

It performs in Full Sun

Soil Texture

Any Texture

Soil Moisture

Well Drained to Wet

Soil pH

Acid to Slightly Alkaline (4.5-7.2)

Salt Tolerance

High

DroughtTolerance

Medium

Wind Resistance

Not known

Toxicity

Not known

Nematode Tolerance

Not known

Appearance

What will it look like as it grows?

Plant Type

  • Perennials

Plant Shape

  • Sprawling
  • Upright
  • Irregular

Leaf Persistence

Swamp Sunflower is Deciduous

Spread

2-4 feet

Height

2-4 feet

Growth Rate

Fast

Leaf Size

Large

Leaf Texture

Fine

Flower Size

Large

Flower Month

  • September
  • October
  • November

Flower Color

  • Yellow

Plant Role for Butterflies

Nectar

Additional Detail

Perennial, yellow/brown, fall flowers. | Pests/Diseases: none serious | attracts butterflies, birds

UF IFAS Ext FFL