Helianthus, Annual Sunflower, Common Sunflower
Helianthusannuus 'Incredible'

Category
Annuals

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage

Foliage Color

Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing
15-18 in. (38-45 cm)

Hardiness
Not Applicable

Where to Grow
Can be grown as an annual

Danger

Bloom Color
Bright Yellow

Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Mid Summer
Late Summer/Early Fall

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed