Rhombic-leaved sunflower single bloom
Rhombic-leaved Sunflower (Beautiful Sunflower)
Helianthus pauciflorus subsp. subrhomboideus
Aster family - Asteraceae

Growth habit: Tall rhizomatous perennial

Height: 30 - 120 cm

Spread: Aggressive spreader

Bloom Time: August - September

Bloom Colour: Yellow

Light: Full sun

Moisture: Average to dry, drought tolerant

Soil: Average garden soil

Seeding: Can be seeded directly into the garden in late fall, or late spring. See the Plant Info page for more information on growing from seed.

Landscape uses: This is a useful and beautiful plant for a meadow or naturalized area as it will readily spread. It can be managed in smaller spaces by burying lawn edging at least 15 cm deep around the perimeter of the area you want to restrict it to. Another method is to plant it in a large plastic nursery pot, dig a hole and bury it to the rim.

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

Natural habitat: Prairie meadows, hillsides, roadsides.

Ecology: Nectar source for bees, butterflies and other pollinating insects. Birds, especially goldfinches, are attracted by the seeds.