Helianthus Species, Few-Leaf Sunflower, Naked Stem Sunflower, Western Sunflower

Helianthusoccidentalis

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Helianthus (hee-lee-AN-thus)
Species
occidentalis (ok-sih-den-TAY-liss)
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
Provides Winter Interest
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
Not Applicable
Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
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
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Direct sow as soon as the ground can be worked
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Gainesville, Florida

Machesney Park, Illinois

Dracut, Massachusetts

Beatrice, Nebraska

Doniphan, Nebraska

Frenchtown, New Jersey

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Gardener's Notes:

1
positive
0
neutral
0
negative
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Beatrice, NE (Zone 5b) | May 2008 | positive

Beautiful, relatively small native sunflower. Not nearly as aggressive as most other perennial sunflower species, but will freely self-s...Read More

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