{"product_id":"hardy-perennial-swamp-sunflower-seeds-for-sale","title":"Hardy Perennial Swamp Sunflower Seeds for Sale","description":"\u003cstyle\u003e\n\/* =========================================\n   SEED ORGANICA - REUSABLE PRODUCT DESIGN\n========================================= *\/\n\n.eg-product {\n  --eg-green: #08764f;\n  --eg-dark: #07583e;\n  --eg-text: #46574e;\n  --eg-muted: #64736a;\n  --eg-border: #d9e7de;\n  --eg-soft: #f3f8f4;\n  --eg-white: #ffffff;\n\n  width: 100%;\n  max-width: 1200px;\n  min-width: 0;\n  margin: 0 auto;\n  padding: 22px 14px;\n  color: var(--eg-text);\n  font-family: Arial, Helvetica, sans-serif;\n  font-size: 15px;\n  line-height: 1.8;\n  box-sizing: border-box;\n  overflow-wrap: anywhere;\n}\n\n.eg-product *,\n.eg-product *::before,\n.eg-product *::after {\n  box-sizing: border-box;\n}\n\n.eg-product h1,\n.eg-product h2,\n.eg-product h3,\n.eg-product p {\n  margin-top: 0;\n}\n\n.eg-product h2 {\n  margin: 38px 0 20px;\n  color: var(--eg-dark);\n  font-size: 29px;\n  font-weight: 700;\n  line-height: 1.35;\n  letter-spacing: -0.4px;\n  text-align: center;\n}\n\n.eg-product h2::after {\n  content: \"\";\n  display: block;\n  width: 48px;\n  height: 3px;\n  margin: 12px auto 0;\n  border-radius: 4px;\n  background: #39a675;\n}\n\n\/* 1. 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SPECIFICATIONS TABLE *\/\n\n.eg-product .eg-spec-table {\n  width: 100%;\n  max-width: 100%;\n  border: 1px solid var(--eg-border);\n  border-radius: 14px;\n  border-spacing: 0;\n  border-collapse: separate;\n  table-layout: fixed;\n  overflow: hidden;\n  font-size: 13px;\n  color: #35483d;\n  font-weight: 500;\n}\n\n.eg-product .eg-spec-table td {\n  width: 50%;\n  padding: 13px 15px;\n  border-bottom: 1px solid var(--eg-border);\n  text-align: left;\n  vertical-align: top;\n  overflow-wrap: anywhere;\n  word-break: normal;\n}\n\n.eg-product .eg-spec-table tr:nth-child(odd) {\n  background: #fff;\n}\n\n.eg-product .eg-spec-table tr:nth-child(even) {\n  background: #f2f7f3;\n}\n\n.eg-product .eg-spec-table tr:last-child td {\n  border-bottom: none;\n}\n\n.eg-product .eg-spec-table td:first-child {\n  color: var(--eg-dark);\n  font-weight: 700;\n}\n\n\/* 5. 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FREQUENTLY ASKED QUESTIONS *\/\n\n.eg-faq {\n  width: 100%;\n  min-width: 0;\n  margin-top: 38px;\n}\n\n.eg-faq-intro {\n  max-width: 800px;\n  margin: 0 auto 23px;\n  color: var(--eg-muted);\n  font-size: 14px;\n  font-weight: 500;\n  text-align: center;\n}\n\n.eg-faq-item {\n  width: 100%;\n  min-width: 0;\n  margin-bottom: 11px;\n  border: 1px solid var(--eg-border);\n  border-radius: 12px;\n  background: #fff;\n  overflow: hidden;\n}\n\n.eg-faq-item summary {\n  display: flex;\n  align-items: center;\n  justify-content: space-between;\n  gap: 12px;\n  padding: 16px;\n  color: var(--eg-dark);\n  font-size: 14px;\n  font-weight: 700;\n  line-height: 1.7;\n  cursor: pointer;\n  list-style: none;\n  overflow-wrap: anywhere;\n}\n\n.eg-faq-item summary::-webkit-details-marker {\n  display: none;\n}\n\n.eg-faq-item summary::after {\n  content: \"+\";\n  display: flex;\n  flex: 0 0 27px;\n  width: 27px;\n  height: 27px;\n  align-items: center;\n  justify-content: center;\n  border-radius: 50%;\n  background: #eaf5ed;\n  color: var(--eg-green);\n  font-size: 20px;\n  line-height: 1;\n}\n\n.eg-faq-item[open] summary::after {\n  content: \"−\";\n}\n\n.eg-faq-answer {\n  padding: 0 16px 17px;\n  color: #35483d;\n  font-size: 14px;\n  font-weight: 500;\n  line-height: 1.85;\n  overflow-wrap: anywhere;\n}\n\n.eg-faq-answer p {\n  margin: 0;\n}\n\n\/* TABLET *\/\n\n@media (max-width: 900px) {\n  .eg-product {\n    padding: 18px 12px;\n  }\n\n  .eg-intro h1 {\n    font-size: 32px;\n  }\n\n  .eg-product h2 {\n    font-size: 27px;\n  }\n\n  .eg-product .eg-highlights {\n    padding: 15px;\n  }\n}\n\n\/* MOBILE *\/\n\n@media (max-width: 480px) {\n  .eg-product {\n    padding: 14px 8px;\n    font-size: 14px;\n  }\n\n  .eg-intro {\n    padding: 25px 14px;\n    border-radius: 15px;\n  }\n\n  .eg-intro h1 {\n    font-size: 27px;\n  }\n\n  .eg-intro p {\n    font-size: 14px;\n  }\n\n  .eg-product h2 {\n    margin: 29px 0 17px;\n    font-size: 23px;\n  }\n\n  .eg-product .eg-feature {\n    grid-template-columns: minmax(0, 1fr);\n    gap: 5px;\n    padding: 14px;\n  }\n\n  .eg-product .eg-feature h3 {\n    font-size: 15px;\n  }\n\n  .eg-product .eg-feature p {\n    font-size: 13px;\n    line-height: 1.75;\n  }\n\n  .eg-product .eg-highlights {\n    grid-template-columns: minmax(0, 1fr);\n    gap: 9px;\n    padding: 11px;\n  }\n\n  .eg-product .eg-highlight {\n    min-height: 0;\n    padding: 12px;\n  }\n\n  .eg-product .eg-spec-table {\n    font-size: 12px;\n  }\n\n  .eg-product .eg-spec-table td {\n    padding: 11px 8px;\n  }\n\n  .eg-guide {\n    padding: 11px;\n  }\n\n  .eg-guide-step {\n    padding: 13px;\n    font-size: 13px;\n  }\n\n  .eg-closing {\n    padding: 28px 15px;\n    border-radius: 15px;\n  }\n\n  .eg-closing h2 {\n    font-size: 22px;\n  }\n\n  .eg-faq-item summary {\n    padding: 13px;\n    font-size: 13px;\n  }\n\n  .eg-faq-answer {\n    padding: 0 13px 14px;\n    font-size: 13px;\n  }\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"eg-product\"\u003e\n  \u003c!-- 1. PRODUCT INTRODUCTION --\u003e\n\u003csection class=\"eg-intro\"\u003e\n  \u003ch1\u003eHardy Perennial Swamp Sunflower Seeds\u003c\/h1\u003e\n  \u003cp\u003e\n    Hardy Perennial Swamp Sunflower, scientifically known as\n    \u003cem\u003eHelianthus angustifolius\u003c\/em\u003e, is a beautiful flowering\n    perennial admired for its bright golden-yellow daisy-like\n    blooms and slender green foliage. Also called Narrow Leaf\n    Sunflower, this attractive plant produces abundant flowers\n    during late summer and autumn, bringing vibrant seasonal\n    color to garden borders, pollinator gardens, and naturalized\n    landscapes. It grows particularly well in sunny locations\n    with consistently moist soil and can attract bees and\n    butterflies when in bloom. Its perennial growth habit makes\n    it a wonderful choice for gardeners looking to enjoy\n    returning seasonal flowers.\n  \u003c\/p\u003e\n  \u003cdiv class=\"eg-badges\"\u003e\n    \u003cspan class=\"eg-badge\"\u003eSwamp Sunflower\u003c\/span\u003e\n    \u003cspan class=\"eg-badge\"\u003ePerennial Flower\u003c\/span\u003e\n    \u003cspan class=\"eg-badge\"\u003eGolden Yellow Blooms\u003c\/span\u003e\n    \u003cspan class=\"eg-badge\"\u003ePollinator Friendly\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- 2. KEY FEATURES --\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003csection class=\"eg-feature-grid\"\u003e\n  \u003carticle class=\"eg-feature\"\u003e\n    \u003ch3\u003eBright Yellow Flowers\u003c\/h3\u003e\n    \u003cp\u003e\n      Produces cheerful golden-yellow daisy-like flowers\n      with darker central discs that create a beautiful\n      display during the late growing season.\n    \u003c\/p\u003e\n  \u003c\/article\u003e\n  \u003carticle class=\"eg-feature\"\u003e\n    \u003ch3\u003ePerennial Growth Habit\u003c\/h3\u003e\n    \u003cp\u003e\n      Returns year after year in suitable growing climates,\n      providing recurring flowering interest without\n      requiring complete replanting every season.\n    \u003c\/p\u003e\n  \u003c\/article\u003e\n  \u003carticle class=\"eg-feature\"\u003e\n    \u003ch3\u003eAttracts Pollinators\u003c\/h3\u003e\n    \u003cp\u003e\n      Its nectar and pollen-rich flowers attract bees,\n      butterflies, and other beneficial garden visitors.\n    \u003c\/p\u003e\n  \u003c\/article\u003e\n  \u003carticle class=\"eg-feature\"\u003e\n    \u003ch3\u003eMoisture-Loving Plant\u003c\/h3\u003e\n    \u003cp\u003e\n      Naturally suited to moist growing environments and\n      can perform well in rain gardens and suitable\n      landscape areas with consistent soil moisture.\n    \u003c\/p\u003e\n  \u003c\/article\u003e\n\u003c\/section\u003e\n\n\u003c!-- 3. PRODUCT HIGHLIGHTS --\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003csection class=\"eg-highlights\"\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eScientific name: Helianthus angustifolius\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eBright golden-yellow daisy-like flowers\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eHardy herbaceous perennial\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eAlso known as Narrow Leaf Sunflower\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eAttracts bees and butterflies\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eExcellent for pollinator gardens\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eThrives in moist to occasionally wet soil\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eLate summer to autumn flowering\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eSuitable for garden borders and naturalized areas\u003c\/div\u003e\n  \u003cdiv class=\"eg-highlight\"\u003eCan spread through underground rhizomes\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- 4. SPECIFICATIONS --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"eg-spec-table\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eScientific Name\u003c\/td\u003e\n      \u003ctd\u003e\u003cem\u003eHelianthus angustifolius\u003c\/em\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCommon Name\u003c\/td\u003e\n      \u003ctd\u003eSwamp Sunflower; Narrow Leaf Sunflower\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePlant Family\u003c\/td\u003e\n      \u003ctd\u003eAsteraceae\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSeed Type\u003c\/td\u003e\n      \u003ctd\u003ePerennial Ornamental Flower Seeds\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePlant Type\u003c\/td\u003e\n      \u003ctd\u003eHerbaceous Perennial Flowering Plant\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGrowth Habit\u003c\/td\u003e\n      \u003ctd\u003eUpright, Clump-Forming and Spreading\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFlower Color\u003c\/td\u003e\n      \u003ctd\u003eGolden Yellow with Dark Brown to Purplish Centers\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBlooming Season\u003c\/td\u003e\n      \u003ctd\u003eLate Summer to Autumn\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eUSDA Hardiness Zones\u003c\/td\u003e\n      \u003ctd\u003eApproximately 5a–9b\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePlanting Season\u003c\/td\u003e\n      \u003ctd\u003eSpring to Early Summer, after frost risk has passed\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSeed Starting\u003c\/td\u003e\n      \u003ctd\u003eStart indoors or sow outdoors in suitable warm soil\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGermination Time\u003c\/td\u003e\n      \u003ctd\u003eApproximately 7–21 days under suitable conditions; varies by seed lot\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGermination Temperature\u003c\/td\u003e\n      \u003ctd\u003eApproximately 18–24°C (65–75°F)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSunlight\u003c\/td\u003e\n      \u003ctd\u003eFull Sun to Partial Shade; full sun encourages better flowering\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSoil Requirements\u003c\/td\u003e\n      \u003ctd\u003eMoisture-Retentive, Well-Drained Loam, Sandy or Clay Soil\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSoil pH\u003c\/td\u003e\n      \u003ctd\u003eGenerally Acidic to Slightly Alkaline\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWatering\u003c\/td\u003e\n      \u003ctd\u003eRegular Watering; Maintain Consistent Soil Moisture\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMature Plant Height\u003c\/td\u003e\n      \u003ctd\u003eApproximately 3–8 Feet, Depending on Growing Conditions\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMature Plant Spread\u003c\/td\u003e\n      \u003ctd\u003eApproximately 2–4 Feet or More Under Favorable Conditions\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePlant Spacing\u003c\/td\u003e\n      \u003ctd\u003eApproximately 18–24 Inches, Allowing Room for Spreading\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePropagation\u003c\/td\u003e\n      \u003ctd\u003eSeeds, Division and Underground Rhizomes\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c!-- 5. GROWING GUIDE --\u003e\n\u003ch2\u003eGrowing Guide\u003c\/h2\u003e\n\u003csection class=\"eg-guide\"\u003e\n  \u003cdiv class=\"eg-guide-step\"\u003e\n    \u003cstrong\u003eStep 1: Choose the Right Planting Location\u003c\/strong\u003e\u003cbr\u003e\n    Select a sunny garden location that receives approximately\n    6 or more hours of direct sunlight daily. Swamp Sunflower\n    can tolerate partial shade, but full sunlight generally\n    encourages more abundant flowering. Choose an area with\n    enough room for its tall stems and spreading growth habit.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"eg-guide-step\"\u003e\n    \u003cstrong\u003eStep 2: Prepare the Soil\u003c\/strong\u003e\u003cbr\u003e\n    Prepare loose, fertile soil that retains moisture while\n    allowing excess water to drain. Swamp Sunflower tolerates\n    different soil types, including sandy, loamy, and clay\n    soils, provided the growing conditions are suitable.\n    Remove weeds and loosen the soil before sowing.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"eg-guide-step\"\u003e\n    \u003cstrong\u003eStep 3: Sow the Seeds\u003c\/strong\u003e\u003cbr\u003e\n    Sow the seeds according to the supplier's instructions.\n    If starting indoors, use a suitable seed-starting mix\n    and maintain consistent moisture. If sowing outdoors,\n    plant after frost risk has passed and soil temperatures\n    have become suitable for germination. Avoid burying\n    small seeds too deeply.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"eg-guide-step\"\u003e\n    \u003cstrong\u003eStep 4: Water and Care for Seedlings\u003c\/strong\u003e\u003cbr\u003e\n    Keep the growing medium consistently moist during\n    germination and early seedling development. Avoid\n    allowing the soil to dry out completely. Once seedlings\n    become established, continue regular watering,\n    particularly during hot or dry weather.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"eg-guide-step\"\u003e\n    \u003cstrong\u003eStep 5: Encourage Healthy Flowering\u003c\/strong\u003e\u003cbr\u003e\n    Transplant established seedlings into their final\n    growing location with sufficient spacing. Pinching or\n    cutting back young plants in early summer can encourage\n    branching and a fuller appearance. Tall plants may\n    benefit from staking in windy locations. Allow the\n    plant to flower in late summer and autumn, and monitor\n    rhizome spreading where containment is necessary.\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- 6. CLOSING BANNER --\u003e\n\u003csection class=\"eg-closing\"\u003e\n  \u003ch2\u003eBring Golden Autumn Beauty with Hardy Perennial Swamp Sunflower\u003c\/h2\u003e\n  \u003cp\u003e\n    Add lasting seasonal color to your garden with Hardy\n    Perennial Swamp Sunflower. Its cheerful golden-yellow\n    flowers, attractive narrow foliage, and pollinator-friendly\n    blooms make it a wonderful addition to perennial borders,\n    wildlife gardens, and moisture-friendly landscapes.\n    With plenty of sunlight, consistent soil moisture,\n    and appropriate growing space, this beautiful perennial\n    can reward your garden with spectacular seasonal blooms\n    year after year.\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003c!-- 7. FREQUENTLY ASKED QUESTIONS --\u003e\n\u003csection class=\"eg-faq\"\u003e\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \u003cp class=\"eg-faq-intro\"\u003e\n    Discover helpful answers about growing, flowering,\n    and caring for Hardy Perennial Swamp Sunflower Seeds.\n  \u003c\/p\u003e\n\n  \u003cdetails class=\"eg-faq-item\"\u003e\n    \u003csummary\u003eHow long does it take for Swamp Sunflower seeds to germinate?\u003c\/summary\u003e\n    \u003cdiv class=\"eg-faq-answer\"\u003e\n      \u003cp\u003e\n        Swamp Sunflower seeds may germinate in approximately\n        7–21 days under favorable conditions, although the\n        actual time depends on seed freshness, temperature,\n        moisture, and growing medium. Maintaining consistent\n        moisture and suitable warmth can help support\n        successful seed germination.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails class=\"eg-faq-item\"\u003e\n    \u003csummary\u003eDoes Swamp Sunflower come back every year after planting?\u003c\/summary\u003e\n    \u003cdiv class=\"eg-faq-answer\"\u003e\n      \u003cp\u003e\n        Yes. Helianthus angustifolius is a herbaceous perennial\n        that can return year after year in suitable climates.\n        The above-ground growth may die back during winter,\n        while the established root system produces new shoots\n        when favorable growing conditions return. It can also\n        spread through underground rhizomes.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails class=\"eg-faq-item\"\u003e\n    \u003csummary\u003eCan Swamp Sunflower grow in wet soil and attract butterflies?\u003c\/summary\u003e\n    \u003cdiv class=\"eg-faq-answer\"\u003e\n      \u003cp\u003e\n        Yes. Swamp Sunflower naturally grows in moist to\n        occasionally wet environments and can also adapt to\n        well-drained garden soil when adequate moisture is\n        available. Its bright yellow flowers attract bees\n        and butterflies, making it a valuable addition to\n        pollinator-friendly gardens and naturalized landscapes.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n  \u003c\/div\u003e","brand":"Organi Seeds","offers":[{"title":"100 Pcs","offer_id":67812042932461,"sku":"SU_OS_002458","price":16.99,"currency_code":"INR","in_stock":true},{"title":"500 Pcs","offer_id":67812042965229,"sku":"SU_OS_002459","price":50.55,"currency_code":"INR","in_stock":true},{"title":"1000 Pcs","offer_id":67812042997997,"sku":"SU_OS_002460","price":90.87,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0840\/3268\/4269\/files\/Hardy_Perennial_Swamp_Sunflower_Seeds.png?v=1793354260","url":"https:\/\/organiseeds.com\/products\/hardy-perennial-swamp-sunflower-seeds-for-sale","provider":"My Store","version":"1.0","type":"link"}