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Rhombic-leaved Sunflower (Beautiful Sunflower)

Helianthus pauciflorus subsp. subrhomboideus

Family:

Aster family - Asteraceae

The characteristics of this species can vary quite widely between populations.

Meadow or Grassland garden

Meadow / Grassland garden

Drought tolerant

Drought tolerant

deer resistant

Deer resistant

Spreading

Spreading

Details

Emerges 

May

Seed collection

Flowers

August, September, July

yellow flowers

Yellow

September

Height

30

-

120

cm

Lifecycle

Perennial

Width

-

cm

Habit

Forbs

Spreading

Spreading

Herbaceous

Herbaceous

Rhizomatous

Rhizomatous

Ecology

Supports

Supports bees

Bees

Supports butterflies and moths

Butterflies & Moths

Providing

Provides nectar source

Nectar source

Provides seeds and berries

Seed/Berry source

Perennial sunflower that can grow up to 1 meter tall.

Habitat

Typically found in

meadows, prairie, slopes / banks

In the Garden

Growing Conditions

Moisture

Dry conditions

Dry

Average conditions

Average

Light

Full sun

Full sun

Soil

Average garden soil

Propagation

Via

Seeds

Seeds

Division

Division

Sowing Recommendations

Direct sow seeds

Direct sow seeds

Sow seeds in pot

Sow seeds in pot

Sow seeds in Spring

Spring planting

High or easy germination

Landscape

Use for:

Back of bed placement

Back of bed

Mass planting

Mass planting

Landscape feature

Landscape feature

Growing Tips

Ideal Growing Conditions - Prefers full sun and well-drained soil.
Planting Instructions -  Sow seeds in early spring and space plants 12-18 inches apart.

Description

This bright yellow prairie wildflower is called a Rhombic-leaved sunflower, in reference to the even sides and oblique diamond shape of the leaves.
They grow naturally in fields, on sunny embankments and along roadsides.

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