{"product_id":"mixed-seashell-cosmos-seeds","title":"Mixed Seashell Cosmos Seeds","description":"\u003ch2\u003eHistory\u003c\/h2\u003e\u003cp\u003eCosmos (\u003cem\u003eCosmos bipinnatus\u003c\/em\u003e) is a beloved cottage garden annual native to Mexico and Central America, where it grows wild in open meadows and along roadsides in a breathtaking display of color. Introduced to European gardens in the late 18th century, cosmos quickly became a staple of the Victorian cutting garden and cottage border — prized for its feathery foliage, its long-stemmed flowers perfect for cutting, and its extraordinary ease of cultivation. The Seashell variety is a particularly distinctive selection, featuring uniquely fluted, tubular petals that curl inward like the flutes of a seashell — giving each flower a sculptural, three-dimensional quality that sets it apart from the flat-petaled common cosmos. Mixed Seashell Cosmos produces a beautiful blend of pink, white, rose, and bicolor flowers on tall, airy stems that sway gracefully in the breeze — one of the most charming and effortless annuals in the cottage garden tradition. Open-pollinated and non-GMO.\u003c\/p\u003e\u003ch2\u003ePlant Profile\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDays to Bloom:\u003c\/strong\u003e 60–90 days from direct sow to first bloom\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant Size:\u003c\/strong\u003e Tall, airy plants 3–4 feet tall; branching habit produces abundant flowers all season\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlowers:\u003c\/strong\u003e Unique fluted, tubular petals in mixed pink, white, rose, and bicolor; 2–3 inch blooms on long stems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFoliage:\u003c\/strong\u003e Delicate, feathery, finely cut bright green foliage — beautiful even before flowering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant Type:\u003c\/strong\u003e Open-pollinated, non-GMO heirloom annual\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eColor \u0026amp; Visual Profile\u003c\/h2\u003e\u003cp\u003eMixed Seashell Cosmos delivers a soft, romantic color palette of pink, white, rose, and bicolor blooms — each flower featuring the distinctive fluted, tubular petals that give the Seashell variety its name. The flowers have a sculptural, three-dimensional quality that catches the light beautifully and stands out in both the garden and the vase. The delicate feathery foliage adds an airy, cottage garden texture that complements virtually any planting style. In a cutting garden or dried flower arrangement, the unique petal form adds visual interest that flat-petaled flowers simply cannot match.\u003c\/p\u003e\u003ch2\u003eGrowth Type \u0026amp; Harvest Yields\u003c\/h2\u003e\u003cp\u003eMixed Seashell Cosmos is one of the most productive and effortless annuals in the garden. Plants bloom prolifically from midsummer through the first frost, producing an abundance of long-stemmed flowers perfect for cutting. The more you cut, the more they bloom — regular harvesting keeps plants vigorous and flowering continuously. Cosmos thrives in lean soil and actually performs better without heavy fertilization; rich soil produces lush foliage at the expense of flowers. Direct sowing is preferred — cosmos dislikes transplanting and grows so quickly from seed that starting indoors offers little advantage.\u003c\/p\u003e\u003ch2\u003eDisease Resistance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcellent overall vigor — one of the most carefree annuals available\u003c\/li\u003e\n\u003cli\u003eGood drought tolerance once established — thrives in lean, dry conditions\u003c\/li\u003e\n\u003cli\u003eRarely troubled by pests — deer resistant and largely ignored by most garden insects\u003c\/li\u003e\n\u003cli\u003eTip: Avoid rich soil and heavy fertilization — lean soil produces the most flowers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGrowing Tips \u0026amp; Planting Dimensions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpacing: 12–18 inches between plants — cosmos needs good airflow\u003c\/li\u003e\n\u003cli\u003eSow depth: 1\/4 inch — cover lightly and press firmly\u003c\/li\u003e\n\u003cli\u003eGermination: 7–14 days at soil temps of 65–75°F\u003c\/li\u003e\n\u003cli\u003eFull sun — at least 6 hours of direct sunlight daily for best flowering\u003c\/li\u003e\n\u003cli\u003ePrefers lean, well-drained soil — avoid heavy fertilization\u003c\/li\u003e\n\u003cli\u003eDirect sow after last frost date; or start indoors 4–6 weeks before last frost\u003c\/li\u003e\n\u003cli\u003eDeadhead regularly or cut for bouquets to encourage continuous blooming\u003c\/li\u003e\n\u003cli\u003eMay need staking in exposed, windy locations — the tall stems can be top-heavy in full bloom\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhen to Plant\u003c\/h2\u003e\u003cp\u003eDirect sow outdoors after your last frost date for the easiest results. Cosmos grows so quickly from seed that direct sowing often catches up to transplants within weeks. For an earlier start, sow indoors 4–6 weeks before last frost in individual pots — cosmos dislikes root disturbance, so handle transplants carefully. Find your frost dates at the \u003ca href=\"https:\/\/planthardiness.ars.usda.gov\"\u003eUSDA Plant Hardiness Zone Map\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eCompanion Plants \u0026amp; Mutual Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinnias\u003c\/strong\u003e — classic cutting garden pairing; both bloom prolifically and attract pollinators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarigolds\u003c\/strong\u003e — powerful pollinator combination; both deter pests and attract beneficial insects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasil\u003c\/strong\u003e — cosmos attracts beneficial insects that help protect nearby herbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTomatoes \u0026amp; Peppers\u003c\/strong\u003e — cosmos attracts pollinators and beneficial predatory insects to the vegetable garden\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLavender\u003c\/strong\u003e — beautiful cottage garden pairing with complementary color palettes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow to Enjoy\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut Flower Bouquets:\u003c\/strong\u003e Harvest stems in the morning when flowers are just opening; they last 5–7 days in a vase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCottage Garden Display:\u003c\/strong\u003e Plant in drifts for a romantic, airy cottage garden effect that blooms all summer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDried Flower Arrangements:\u003c\/strong\u003e Harvest at peak bloom and dry upside down; petals fade slightly but retain a soft, romantic color\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotpourri \u0026amp; Craft Blends:\u003c\/strong\u003e Dried petals add delicate color and the distinctive fluted petal form to potpourri bowls and craft projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePollinator Garden:\u003c\/strong\u003e Let plants flower freely — butterflies are particularly attracted to cosmos blooms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWreath \u0026amp; Swag Making:\u003c\/strong\u003e Dried stems and flower heads add airy texture and color to wreaths and dried arrangements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Gardeners Love Mixed Seashell Cosmos\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUnique fluted, tubular petals that set it apart from common cosmos — a true conversation piece in the garden\u003c\/li\u003e\n\u003cli\u003eBlooms prolifically from midsummer through frost — one of the longest-blooming annuals available\u003c\/li\u003e\n\u003cli\u003eExtraordinarily easy to grow — direct sow and stand back\u003c\/li\u003e\n\u003cli\u003eExceptional cut flower — the more you cut, the more it blooms\u003c\/li\u003e\n\u003cli\u003eBeloved by butterflies — one of the best butterfly garden plants available\u003c\/li\u003e\n\u003cli\u003eOpen-pollinated and non-GMO — save your own seeds year after year\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHarvest Tips for Cut Flowers\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCut stems in the early morning when flowers are just beginning to open for the longest vase life\u003c\/li\u003e\n\u003cli\u003eCut to a length of 12–18 inches, removing lower leaves that would sit below the waterline\u003c\/li\u003e\n\u003cli\u003ePlace immediately in cool water; change water every 2 days\u003c\/li\u003e\n\u003cli\u003eFor drying, harvest at peak bloom and hang upside down in small bundles in a warm, ventilated space\u003c\/li\u003e\n\u003cli\u003eDried cosmos petals fade to soft pastels — beautiful in potpourri and craft blends\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOrder Today\u003c\/h2\u003e\u003cp\u003eAdd Mixed Seashell Cosmos Seeds to your cutting garden and grow one of the most charming and effortless annuals in the cottage garden tradition. Choose your pack size and begin to grow.\u003c\/p\u003e","brand":"Garden Heirloom Seeds","offers":[{"title":"Starter Pack of 10 seeds","offer_id":53968014147898,"sku":null,"price":0.99,"currency_code":"USD","in_stock":true},{"title":"Garden Pack of 25 seeds - 🌱 Best Value","offer_id":53968014180666,"sku":null,"price":2.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/7850\/9626\/files\/cosmos-harvest-bundle.png?v=1787846900","url":"https:\/\/gardenheirloomseeds.com\/products\/mixed-seashell-cosmos-seeds","provider":"Garden Heirloom Seeds","version":"1.0","type":"link"}