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Helianthus annuus

Family Compositae
Plant Type annual
Zone USDA:   9a - 11   RHS:   FH - FT   EGF:   H5 - G2   Australia:   3 - 5  
Care Level low, easy, suitable for beginners.
Height 0.3 - 4.5 m (1 - 15 ft)
Spread 0.5 - 1.2 m (1.5 - 4 ft)
Light full sun
Soil Moisture low to average, well-drained
Soil Type clay to sandy
Soil pH neutral to alkaline

Description Helianthus annuus (annual sunflower) bears showy and bright yellow blossoms during late spring to mid-autumn. This annual is upright and has dark green foliage that is matte and coarse textured. The fruit produced by Helianthus annuus (annual sunflower) is striped. Find a prominent place in your garden for this stunning annual which has been designated a specimen.
Typical Uses Annual, border, container, culinary, specimen, vegetable garden and wild flower.
Special Characteristics Birds and butterflies are attracted to Helianthus annuus .
Cautions When planning your garden, take into consideration that Helianthus annuus (annual sunflower) grows at a very fast rate and will fill its designated space quickly. Where conditions are favourable, Helianthus annuus (annual sunflower) can be invasive and may require maintenance to keep it under control. This plant is self-sowing and may spread broadly and randomly.