Helianthus, Sunflower
Helianthus 'Japanese Silverleaf'

Category
Annuals

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

Sun Exposure
Full Sun

Foliage
Herbaceous

Foliage Color

Height
4-6 ft. (1.2-1.8 m)

Spacing
6-8 ft. (1.8-2.4 m)

Hardiness
Not Applicable

Where to Grow

Danger

Bloom Color
Bright Yellow

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

Bloom Size

Bloom Time
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; direct sow outdoors in fall
From seed; sow indoors before last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored