HELIANTHUS angustifolius (Swamp Sunflower)
Narrowleaf Sunflower belongs to the Asteraceae family, which includes herbs, shrubs, vines, and trees with simple or compound, alternate or opposite leaves. Flowers are small, but they are grouped together into larger heads that resemble a single, radially symmetrical flower cupped by a ring of green sepals.
| Number of Seeds | Max Coverage Area (Square Ft.) | |
|---|---|---|
| 0.5OZ | 21,875 | 1000 |
| 1OZ | 43,750 | 2,000 |
| 1/4LB | 175,000 | 8,000 |
| 1/2LB | 350,000 | 16,000 |
| 1LB | 700,000 | 32,000 |
| 5LB | 3,500,000 | 160,000 |
Scientific Name: Helianthus Angustifolius
Common Name: Swamp Sunflower
Plant Type: Perennials
Family: Asteraceae
Native Range: Eastern United States
Full Growth Height: 40-72"
Spread: 24-48 "
Zones: 5 to 9
Exposure: Full Sun, Partial Sun
Blooming Season: Fall
Flower: Showy, Cut Flower
Attracts: Butterflies, Birds
Flower Color: Yellow
Tolerate: Deer, Salt, Wet Soil
Water Requirement: High, Average
Soil Type: Loam, Sand, Clay
Soil pH: Neutral, Acid
Gardening Uses: Coastal Garden, Informal and Cottage, Prairies and Meadow