6% Monarda fistulosa, Fort Indiantown Gap-PA Ecotype (Wild Bergamot, Fort Indiantown Gap-PA Ecotype) 0. 00 2. Common to locally abundant in the Coastal Plain and Sandhills; common in the eastern Piedmont, but uncommon in the central and western Piedmont. Visit this sunflower field in North Carolina for an epic afternoon under the sun. 00 % Chamaecrista fasciculata, PA Ecotype Partridge Pea, PA Ecotype 7. 50 each plus tax. 40 2. tall x 30 to 50 ft. The swamp sunflower grows in conditions that thwart most other perennial flowers, including coastal salt air, sandy soil, and wet conditions. Atlantic and Gulf Coastal Plain. 00 % Juncus tenuis, NC Ecotype Path Rush, NC Ecotype 79. 00 % Mix Price/Lb. 50 % Ludwigia linearis, Coastal Plain SC Ecotype Narrowleaf Primrose Willow, Coastal Plain SC Ecotype 312. Chesapeake Bay Lowlands Ecoregion. 0% Juncus effusus 2. argophyllus, the silverleaf sunflower—is endemic to southern Texas and includes both an early-flowering, coastal-island ecotype and a late-flowering inland ecotype 7. BULK LBS. Clump-forming species; latest blooming sunflower we carry; small seeds are eaten by birds; nectar is food for migrating monarch. Add to Project. Relatively easy sunflower to identify due to the narrow leaves, which are no longer than normal for a sunflower, but much narrower. 00 % Juncus effusus, 'Suther'-Piedmont NC Ecotype Soft Rush, 'Suther'-Piedmont NC Ecotype 96. This zone covers the mountainous regions of western North Carolina and the coastal plain. 0% Bidens aristosa, Coastal Plain NC Ecotype (Showy Tickseed Sunflower (Bur Marigold), Coastal Plain NC Ecotype) 1. 50 % Scirpus cyperinus, PA Ecotype Woolgrass, PA Ecotype 115. Atlantic and Gulf Coastal Plain. 90 % Tradescantia subaspera, VA Ecotype Zigzag Spiderwort, VA Ecotype 144. Facultative upland plants usually occur in non-wetlands but may also occur in wetlands (US Army Corps of Engineers, 2018). 00 2. Carolina Lily. High salt tolerance. Showy Tickseed Sunflower/Bur-mariNNold Aster novae-angliae / Symphyotrichum novae-agNliae NN, EM E, NN, EM E, EM Swamp/Narrow-Leaf Sunflower (semi-wet sites) Goat's Rue (legume) Showy Tick-Trefoil (legume) Dixie Tick Trefoil / Florida Beggarweed (legume) Partridge Pea (legume) Native Upland Wildlife Forage and Cover Meadow Mix: ERNMX-1230. when protected from the northern winds. 40 1. “That’s a huge swath of North Carolina. 0% Juncus tenuis, NC. Photo credit: Mary Derrick, UF/IFAS Extension. 0% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 1. The smooth margins are usually revolute or. 20 % Tradescantia ohiensis, AL Ecotype Ohio Spiderwort, AL Ecotype 360. Juncus effusus, Cplain NC Ecotype. Swamp sunflower attracts a wide variety of pollinators, including bees and. Blooming time: September-frost . 50 % Helianthus angustifolius, Coastal Plain NC Ecotype Narrowleaf Sunflower, Coastal Plain NC Ecotype 86. Narrowleaf sunflower’s showy golden blooms are relatively large (about 3 inches in diameter), with bright yellow, strap-shaped ray florets surrounding a compact head of reddish-brown disk florets. 80 Add to cart; Add to Wishlist. 50 % Helenium flexuosum, VA Ecotype Purplehead Sneezeweed, VA Ecotype 144. 2. 40 Add to cart; Add to Wishlist. 5% Aquilegia canadensis (Eastern Columbine) 0. 40 Add to cart; Add to Wishlist. Individual Seed Species. Geologists have found evidence of five separate terraces – the flat remnants of ancient floodplains – of the Cape Fear. 00 1. Shade: Moderate. 0% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 1. Grows in every but the. This species is large and robust as bluestems go, with mature plants commonly reaching 6 to 8 feet in height. 00. A; Lianas and Climbing Plants of the Neotropics: Apocynaceae; Chemotaxonomic Investigation of Apocynaceae for Retronecine-Type Pyrrolizidine 2 Alkaloids Using HPLC-MS/MS 3 4 Lea A; A Revised Classification of the. ; Vd), is a soil-borne disease affecting sunflower worldwide. 00 % Carex crinita, PA Ecotype Fringed Sedge, PA Ecotype 216. 3% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 2. (Greenwhite Sedge, Coastal Plain NC Ecotype) 20. planifolius Fernald . Phen: (Jul-) Sep-Oct (-frost). 40 1. 00 % Helianthus angustifolius, Coastal Plain NC Ecotype Narrowleaf Sunflower, Coastal Plain NC Ecotype 86. 00 % Elymus virginicus, Madison-NY Ecotype Virginia Wildrye, Madison-NY Ecotype 10. S. 00 0. 7% Helenium flexuosum, VA Ecotype (Purplehead Sneezeweed, VA Ecotype) 1. Swamp sunflower blooms are a clear, sunny yellow and showy throughout the fall. 1-ounce seed packets are $4. Add to Project. 2. 00 % Chamaecrista fasciculata, FL Ecotype Partridge Pea, FL Ecotype 12. 0% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 0. Download Info Sheet. Add to Project. 00 % Juncus tenuis, NC Ecotype Path Rush, NC Ecotype 79. Seeding Summary • Sow seeds in the fall, or be prepared to water in the summer. Add to Project. Price Code: $9. They boast a profusion of brilliant golden-yellow flowers, 2-3 in. 2. 0% Asclepias incarnata, PA Ecotype (Swamp Milkweed, PA Ecotype) 2. 00 0. To get a head start on the gardening. 3% Helianthus angustifolius, FL Ecotype (Narrowleaf Sunflower, FL Ecotype) 0. 0% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 1. 0% Asclepias incarnata, PA Ecotype (Swamp Milkweed, PA Ecotype) 2. Narrowleaf sunflower grows 1-3 feet tall and blooms yellow flowers on the top of the tall stems. 00 % Eupatorium coelestinum, FL Ecotype Mistflower, FL Ecotype 480. 00 0. Species:. 2% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) General Product Information. 60 0. 00 1. 0 Flowers & Bud - Summer -Wake Co. The coastal ecotype was broadly sympatric with the lowland ecotype but displayed upland leaf characters and lowland plant architecture (Fig. Fairly common in the southern Mountains but absent in the central and northern Mountains. planifolius Fernald Description General: Swamp sunflower is a native, warm season, perennial forb. 2% Chamaecrista. 00 % Silphium asteriscus var. 40 2. Seed/Nut Producers Common name Scientific name Growth form Leaf type Soil type Flower & fruit dates Sweetgum Liquidambar styraciflua t d w, m, d Apr-May; Aug-Sep. 0% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 2. Thirty cultivated accessions were selected to represent each of the major types of cultivated sunflower (twelve “exotic” lines, including six Native American. 00 2. 9% Schizachyrium scoparium, 'Aldous' (Little Bluestem, ‘Aldous’) 12. 2% Aster novae-angliae, PA Ecotype (New England Aster, PA Ecotype)Plant M. 7% Monarda punctata, Coastal Plain SC Ecotype (Spotted Beebalm, Coastal Plain SC Ecotype) 1. 1. 60 0. coastal and piedmont. 0% Juncus effusus, Coastal Plain NC Ecotype (Soft Rush, Coastal Plain NC Ecotype) 2. Some common examples of starter type fertilizers required for a 1,000 sq ft area include 40 pounds of 5-10-10, 20 pounds of 10-20-20, or 16 pounds of 18-24-6. The rich, sandy soil here is some of the state's best farmland. 0% Juncus tenuis, NC Ecotype (Path Rush, NC Ecotype) 1. 70 % Asclepias tuberosa Butterfly Milkweed. Except for three South American species, the species of Helianthus are native to North America and Central America. 00 % Mix Price/Lb Bulk: $24. Evergreen shrub or small tree of the maritime forest, pocosins and low woods of the coastal plain. 60 2. It is native to the central and eastern United States. Helianthus angustifolius, Coastal Plain NC Ecotype $ 86. Ernst Conservation Seeds 8884 Mercer Pike Meadville, PA 16335 (800) 873-3321 sales@ernstseed. Scirpus cyperinus, Coastal Plain NC Ecotype Woolgrass, Coastal Plain NC Ecotype Bunch-type species; stands tall in marshes; provides food and cover for waterfowl and muskrats. 20 0. Hab: Pine savannas, ditches, marshes, other wet habitats. 0% Chamaecrista fasciculata, PA Ecotype (Partridge Pea, PA Ecotype)SWAMP SUNFLOWER. Coastal Plain SC Ecotype Yellow False Indigo, Coastal Plain SC Ecotype 720. Fairly common in the southern Mountains but absent in the central and northern Mountains. Seaside Primrose Willow, Coastal Plain NC Ecotype Nice addition to a southeast coastal plain wetland mix. Carex Squarrosa, VA Ecotype. 0% Verbena hastata, PA Ecotype (Blue Vervain, PA Ecotype) 0. 40 1. 70 % Panicum anceps, SC Ecotype Beaked Panicgrass, SC Ecotype 43. 70 % Eupatorium coelestinum, VA Ecotype Mistflower, VA Ecotype 480. Author: A. 0% Carex vulpinoidea, PA Ecotype. 71 / lb plus tax. •Butterflies also love it! •H. 0% Panicum rigidulum, Coastal Plain NC Ecotype. 2% Monarda fistulosa, Fort Indiantown Gap-PA Ecotype (Wild Bergamot, Fort Indiantown Gap-PA Ecotype) 1. 8% Panicum rigidulum, PA Ecotype. The closest known population of C. Coastal Plain SC Ecotype 312. 00 1. 20 % Helianthus angustifolius, Coastal Plain NC Ecotype Narrowleaf Sunflower, Coastal Plain NC Ecotype 86. 00 3. NC Coastal Plain UPL Meadow Mix; NC Mountains UPL Meadow Mix; Southeastern U. 00 % Bidens aristosa, Coastal Plain NC Ecotype Showy Tickseed Sunflower (Bur Marigold), Coastal Plain NC Ecotype 25. 00 1. 9% Eupatorium perfoliatum, PA Ecotype (Boneset, PA Ecotype) 4. Add to Wishlist. 0 Hedge Leonora (Ellie) Enking CC-BY-SA 2. 5. 39. laevicaule, GA Ecotype (Starry Rosinweed, GA Ecotype) 1. 00 0. 90 % Helenium autumnale, Northern VA Ecotype Common Sneezeweed, Northern VA Ecotype 216. 40 Add to cart; Add to. 60 0. 00 % Helianthus angustifolius, Coastal Plain NC Ecotype Narrowleaf Sunflower, Coastal Plain NC Ecotype 86. Summary 2 Helianthus angustifolius is a species of sunflower known by the common name narrowleaf sunflower or swamp sunflower. bogs, stream banks, moist bluffs. Narrow Leaf Sunflower; Narrow-Leaved Coreopsis; Swamp Sunflower; Other plants called Sunflower: Helianthus;. 80 % Panicum rigidulum, PA Ecotype Redtop. 0% Rudbeckia hirta (Blackeyed Susan) 2. It is bounded on the east by the Atlantic Ocean and on the west by the Fall Line, a broad zonewhere the soft rocks of the Coastal Plain meet the hard crystalline rocks of the Piedmont . (Virginia Wildrye, Madison-NY Ecotype) 16. Species: 2. 3% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 2. Zone: 3-9 (8 and 9 in Florida) Plant Habit: Upright wildflower usually growing in clumps. 1 pound bulk is $44. For aThe third species—H. 0% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 1. narrowleaf silkgrass. 00 % Eupatorium coelestinum, VA Ecotype Mistflower, VA Ecotype 480. Excellent for facultative wetland mitigation sites. 30 % Scirpus cyperinus, Coastal Plain NC Ecotype Woolgrass, Coastal Plain NC Ecotype 115. The swamp sunflower (Helianthus angustifolius), also known as the narrow-leaf sunflower, is a member of the Aster family. 40 % Eupatorium perfoliatum, PA Ecotype Boneset, PA Ecotype 192. 00 0. 0% Liatris spicata (Marsh Blazing Star) Penstemon australis, 'Suther'-NC Ecotype $ 336. Seed/Nut Producers Common name Scientific name Growth form Leaf type Soil type Flower & fruit dates Sweetgum Liquidambar styraciflua t d w, m, d Apr-May; Aug-Sep. Shrubs and Trees Spring 19 Eastern redbud Cercis canadensis Pink 30 L Stunning pink flowers in spring. Shade: Full Sun. 45 16. 3. 5% Scirpus cyperinus, Coastal. 00 % Helenium autumnale, PA Ecotype Common Sneezeweed, PA Ecotype 216. Bidens aristosa, Coastal Plain NC Ecotype $ 25. ) Profile by George Kish, with Updates by Shirley Denton. Primarily Coastal Plain, from Long Island, NY south to c. Seeding rate per acre in a mix: When used as part of a mix, ensure that the mix consists of not less than 1. It also tolerates a wide variety of soils from sand to poorly drained clay soils. S. 40 0. They were propagated from local ecotype seed. 0% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 1. 30 % Helianthus angustifolius, Coastal Plain NC Ecotype Narrowleaf Sunflower, Coastal Plain NC Ecotype 86. 40 % Helianthus angustifolius, Coastal Plain NC Ecotype Narrowleaf Sunflower, Coastal Plain NC Ecotype 86. Ships from Blacksburg, VA. NC-Plant Fact Sheets (RUHI2) OK-Noble Foundation Plant Image Gallery (RUHI2) TX-Central Texas Plants (RUHI2)Sensitive Pea, NC Ecotype. 00 % Juncus effusus, Coastal Plain NC Ecotype Soft Rush, Coastal Plain NC Ecotype 48. Drought: Moderate Salt: Low Seed Information. 0% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 1. Status: In Stock. 2. 00 % Carex albolutescens, Coastal Plain NC Ecotype Greenwhite Sedge, Coastal Plain NC Ecotype 86. 3. The single light pink flowers have five petals and bright yellow centers. 00 0. 20 100. PA Ecotype Square Stemmed Monkeyflower, PA Ecotype 216. 00 %. Virginia Coastal Plain WHAT ARE NATIVE PLANTS? Native species evolved within specific regions and dispersed throughout their range without known human involvement. Clump-forming species; latest blooming sunflower we carry; small seeds are eaten by birds; nectar is food for migrating monarch butterflies. Williams OR 97544 Phone: (541) 846-7269 YES YES Gardens of the Blue Ridge P. For a cover crop use Japanese millet (10 lbs/acre; 1 May to 31 Aug) or grain rye (30 lbs/acre; 1 Sept1. 0% Chamaecrista fasciculata, PA Ecotype (Partridge Pea, PA Ecotype) 2. 0% Juncus tenuis, NC Ecotype (Path Rush, NC Ecotype) 1. 40 2. ) Nutt. 0% Agrostis hyemalis, Piedmont NC Ecotype (Winter Bentgrass, Piedmont NC Ecotype) 0. 40 % Aster prenanthoides, PA Ecotype Zigzag Aster, PA Ecotype 432. 00 1. 00 % Mix Price/Lb Bulk: $62. 99% 72. floridanus = Swamp Sunflower, rhizomatousCompare that to the gradually sloping continental shelf across eastern North Carolina, with an elevation change of only 100 feet between Fayetteville and Wilmington, and it makes for a very different coastal landscape. 00 2. 40 1. 2. Add to Wishlist. 00 % Carex albolutescens, Coastal Plain NC Ecotype Greenwhite Sedge, Coastal Plain NC Ecotype 86. 0% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 1. fulgida,. 00 0. Found along coastal bluffs and grasslands, the Narrowleaf Sunflower is a testament to nature’s artistry in adapting to diverse habitats. 0% Rudbeckia hirta (Blackeyed Susan) 2. Alisma subcordatum, PA Ecotype $ 192. 0% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 1. Blades are long and narrow. 0% Agrostis hyemalis, Piedmont NC Ecotype (Winter Bentgrass, Piedmont NC Ecotype) 0. 20 2. 0% Agrostis hyemalis, Piedmont NC Ecotype (Winter Bentgrass, Piedmont NC Ecotype) 0. 50 % Chamaecrista fasciculata, FL Ecotype Partridge Pea, FL Ecotype 12. Many cultivars vary in size from 25 ft. 2. 0% Elymus virginicus, Madison-NY Ecotype (Virginia Wildrye, Madison-NY Ecotype) 5. 00 % Juncus effusus Soft Rush 48. a program managed by the North Carolina Botanical Garden with some financial support from the Garden Club of North Carolina. 0% Rudbeckia hirta (Blackeyed Susan) 2. 00 % Carex crinita, PA Ecotype Fringed Sedge, PA Ecotype 216. GA south to s. 0% Eupatorium coelestinum, FL Ecotype (Mistflower, FL Ecotype)Wildflowers by Harry Phillips (University of North Carolina Press, 1985). 0% Juncus tenuis, NC Ecotype (Path Rush, NC Ecotype) 2. 00 % Chamaecrista fasciculata, FL Ecotype Partridge Pea, FL Ecotype 12. Add to Project. 00 % Agrostis perennans, Albany Pine Bush-NY Ecotype Autumn Bentgrass, Albany Pine Bush-NY. 6% Aster pilosus, PA Ecotype (Heath Aster, PA Ecotype)SWAMP SUNFLOWER. Swamp Milkweed, PA Ecotype. 0% Helianthus angustifolius, Coastal Plain NC Ecotype (Narrowleaf Sunflower, Coastal Plain NC Ecotype) 1. 50 gallon. 1%. 40 0. 0% Vernonia noveboracensis, PA Ecotype (New York Ironweed, PA Ecotype)2. 0% Asclepias tuberosa (Butterfly Milkweed) 1. Pentas (Pentas. 50 % Tradescantia ohiensis, AL Ecotype Ohio Spiderwort, AL Ecotype 360. ALABAMA GRAPE FERN. 50 % Vernonia noveboracensis, PA Ecotype New York Ironweed, PA Ecotype. It is typically found in the coastal plain habitat (both the Atlantic and Gulf), particularly in wet areas. 1 Taxonomic notes; 2 Description; 3. 0% Chamaecrista fasciculata, PA Ecotype (Partridge Pea, PA Ecotype)Helianthus Angustifolius Leaf. 00 % Helianthus angustifolius, Coastal Plain NC Ecotype Narrowleaf Sunflower, Coastal Plain NC Ecotype 86. 0% Eupatorium coelestinum, FL. Not only is it easy to grow from seed, but it produces multiple 3- to 6-inch-wide flowers along the length of tall, upright stems from the leaf axils. Atlantic and Gulf Coastal Plain. 5% Solidago bicolor, PA Ecotype (White Goldenrod, PA Ecotype)Narrow-leaf sunflower grows to five feet. NC Ecotype (Sensitive Pea, NC Ecotype) 1. In the United States, coastal plains can be found along the Atlantic Ocean. 00 % Chamaecrista fasciculata, PA Ecotype Partridge Pea, PA Ecotype 7. Add to Project. 60Beggarsticks, Devil's/Tickseed Sunflower* Bidens frondosa sum fall ALL high sun to part shade yellow Blazing Star, Elegant* (GA ecotype) Liatris elegans (GA) fall. 00 % Helenium flexuosum, VA Ecotype Purplehead Sneezeweed, VA Ecotype 144. 00/lb. 00 1. 0% Verbena hastata, PA Ecotype (Blue Vervain, PA Ecotype) 2. 00 % Helianthus angustifolius, Coastal Plain NC Ecotype Narrowleaf Sunflower, Coastal Plain NC Ecotype 86. peninsular FL and west to TX, irregularly inland to OH, IN, and MO. Native plants form the primary component of the living landscape and provide food and shelter for native animal species. Plant 5–7 of each wildflower species in clusters to maximize visibility to insects. found in all the coastal states from Texas to Long Island, and inland as. 0% Helenium flexuosum, VA Ecotype (Purplehead Sneezeweed, VA Ecotype) 3. Swamp sunflower makes a fine cut flower. 0% NC Soft Rush Juncus effusus 2. Add to Wishlist. 00 0. 00 0. Soft Rush, Coastal Plain NC Ecotype Bunch-type grass with a wide geographic distribution; provides spawning grounds for bluegills in shallow water; source of food and cover for songbirds and waterfowl. 00 % Asclepias incarnata, PA Ecotype Swamp Milkweed, PA Ecotype 177. integrifolium2. Narrowleaf Sunflower. Common names: swamp sunflower; swamp sneezeweed; narrowleaf sunflower Contents. 0% Eupatorium coelestinum, FL Ecotype (Mistflower, FL Ecotype) 2. 40. Narrowleaf Mountainmint Pycnanthemum tenuifolium 0. If you plant swamps, place them 12-18 inches apart. Species: Seaside Primrose Willow, Coastal Plain NC Ecotype. 20 % Eupatorium fistulosum, PA Ecotype Joe Pye. Agrostis hyemalis, Piedmont NC Ecotype $ 26. 20 45. View Map & Key Tolerances. 0% Panicum anceps, Eastern Shore MD Ecotype. 00 % Chamaecrista nictitans, NC Ecotype Sensitive Pea, NC Ecotype 57. 00 % Mix Price/Lb Bulk: $46. 00 % Agrostis perennans, Albany Pine Bush-NY Ecotype Autumn Bentgrass, Albany Pine Bush-NY Ecotype 16. 2. 20 % Pycnanthemum tenuifolium Narrowleaf Mountainmint 168. Drought: Low Salt: Low Seed Information. 00 % Vernonia noveboracensis, PA Ecotype New York Ironweed, PA. Distribution is greatest in the coastal plain and plants are most common in open or lightly shaded moist sites. New England Aster, PA Ecotype. We found numerous sources that list Coreopsis angustifolia L. 00 % Juncus effusus Soft Rush 48. ap-PA Ecotype) Plain NC Ecotype) mot, Fort Indiantown C (Blackeyed Susan, Co utridge Pea, PA E ye Sunflower, PA Ecotyr Ticktrefoil, PA E -PA Ecotype (Wild Berga Coastal Plain NC sciculata, PA Ecotype thoides, PA Ecotype (Oxe ria (Plains Coreopsis) adense, PA Ecotype (Sho sa, Fort Indiantown Gap MHW12 3. Evergreen. Agrostis hyemalis, Piedmont NC Ecotype $ 26. 40 1. 0% Asclepias tuberosa (Butterfly Milkweed) 1. 40 % Eupatorium perfoliatum, PA Ecotype Boneset, PA Ecotype 192. Add to Wishlist. The flowers appear in late summer to fall and have many yellow rays with dark red disc center flowers. 0% Chamaecrista fasciculata, PA Ecotype (Partridge Pea, PA Ecotype) 3. View Map & Key Tolerances. It is native to the south-central and eastern United States, found in all the coastal states from Texas to Long Island, and inland as far as Missouri. Box 9366 Lee FL. 8% Penstemon digitalis, PA Ecotype (Tall White Beardtongue, PA Ecotype) 1. 20. Add to Wish List. 00 % Vernonia noveboracensis, PA Ecotype New York Ironweed, PA Ecotype 264. Narrowleaf Sunflower (Helianthus angustifolius L. 40 3. 0% Silphium asteriscus var. 80 % Asclepias incarnata, PA Ecotype Swamp Milkweed, PA Ecotype 177. Add to Project. 00 % Juncus tenuis, PA Ecotype Path Rush, PA Ecotype 48. Zone 6a has an average annual minimum temperature of -10 to -5°F (-23 to -21°C). Wool Grass, NC Ecotype. Black-eyed Susan spreads by underground stems called rhizomes to form large clumps. General Product Information. Add to Project. Add to Project. Flower heads of this subspecies rise up about 4 to 10 inches above the ground. Eastern Time. 90 % Helenium autumnale, Northern VA Ecotype Common Sneezeweed, Northern VA. 1. 1. 0%. 1-ounce seed packets are $4. Swamp sunflower is seen growing in savannahs and wet meadows, primarily in the coastal plain and lower Piedmont. 40 1. SC Coastal Plain.