Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Helianthus (hee-lee-AN-thus) (Info)
Species: occidentalis (ok-sih-den-TAY-liss) (Info)
Synonym:Helianthus dowellianus
Synonym:Helianthus occidentalis var. dowellianus
Synonym:Helianthus occidentalis subsp. occidentalis
 4 vendors have this plant for sale.
One member has or wants this plant for trade. Category:
Perennials
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
Sun Exposure:
Full Sun
Danger:
Unknown - Tell us
Bloom Color:
Bright Yellow
Bloom Time:
Mid Summer
Late Summer/Early Fall
Mid Fall
Foliage:
Herbaceous
Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Provides winter interest
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
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