Alphabetical Plant Listing

Helianthus strumosus (Woodland Sunflower)

Woodland Sunflower, Paleleaf Woodland Sunflower, Paleleaf Sunflower, Helianthus montanus, Helianthus saxicola


Helianthus strumosus (Woodland Sunflower) is a showy perennial with narrow, oval leaves, white underneath, and a profusion yellow flowers, 2-4 in. across (5-10 cm), each adorn with up to 8-20 yellow rays and a yellow center disk. They are held in loose clusters of 3-15 blossoms at the branch tips, and are borne on stout, erect, smooth stems. Blooming from mid summer to fall, they are particularly attractive to birds as they love to eat the seeds directly from the seedheads. Perfect for adding late season color in partly shaded borders and naturalized areas.

  • Typically grows up to 3-5 ft. tall (90-150 cm) and 18-24 in. wide (45-60 cm). Will spread by underground rhizomes and can spread rapidly.
  • Prefers full sun or part shade in average, dry to medium, well-drained soils. However, this plant is not too fussy about soils and tolerates a wide range of conditions. Performs best with a few hours of direct sunlight each day. Drought tolerant.
  • Low maintenance, this is an excellent choice for sunny borders, cottage gardens, bird or butterfly gardens, wildflower gardens, prairies and meadows.
  • Attractive to bird, butterflies, it is deer and rabbit resistant.
  • Native to throughout Eastern North America from Quebec down to Florida

Learn How To Plant, Care and Grow Gorgeous Sunflowers

Cherished for their beauty, Sunflowers (Helianthus) are striking ornamental annuals or perennial plants grown for their colorful summer and fall blooms. Fast-growing, they can reward you with glamorous blooms between 55 and 100 days after planting. Here are some basic rules that need to be followed to enjoy their splendid flowers.Read More

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Requirements

Hardiness 3 – 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Helianthus - Sunflowers
Exposure Full Sun, Partial Sun
Season of Interest Summer (Mid,Late)
Fall
Height 3' – 5' (90cm – 150cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 24" (60cm)
Water Needs Low
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Cut Flowers, Showy
Tolerance Clay Soil, Deer, Drought, Rabbit, Dry Soil, Rocky Soil
Attracts Birds, Butterflies
Garden Uses Beds and Borders
Garden Styles Informal and Cottage, Prairie and Meadow

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Great Plant Combination Ideas with Helianthus - Sunflowers

Guides with Helianthus - Sunflowers


By Jovan Milosavljevic / Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 3 – 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Helianthus - Sunflowers
Exposure Full Sun, Partial Sun
Season of Interest Summer (Mid,Late)
Fall
Height 3' – 5' (90cm – 150cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 24" (60cm)
Water Needs Low
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Cut Flowers, Showy
Tolerance Clay Soil, Deer, Drought, Rabbit, Dry Soil, Rocky Soil
Attracts Birds, Butterflies
Garden Uses Beds and Borders
Garden Styles Informal and Cottage, Prairie and Meadow

Great Plant Combination Ideas with Helianthus - Sunflowers

Guides with Helianthus - Sunflowers

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