Helianthus, Annual Sunflower, Common Sunflower
Helianthusannuus 'Giant Primrose'

Category
Annuals

Water Requirements

Sun Exposure
Full Sun

Foliage

Foliage Color

Height
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)

Spacing
24-36 in. (60-90 cm)

Hardiness
Not Applicable

Where to Grow

Danger
N/A

Bloom Color
Bright Yellow

Bloom Characteristics

Bloom Size

Bloom Time
Mid Summer

Other details

Soil pH requirements

Patent Information

Propagation Methods
From seed; direct sow after last frost

Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry