{"product_id":"renee-s-garden-climber-vine-cardinal","title":"‘Heirloom Cardinal Climber’ Hummingbird Vine Seeds","description":"\u003cp\u003eCardinal Climber turns summer heat into a vertical show. Finely cut, tropical-looking leaves create a light green screen, spangled with clusters of 1½-inch crimson stars that serve as vivid drinking fountains for hummingbirds.\u003c\/p\u003e\u003cp\u003eThe fast 8-foot vine is ideal for a sunny trellis, obelisk, or fence where its airy foliage can soften a hard edge without looking heavy. Flowers continue into fall while warm weather holds.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBotanical name:\u003c\/strong\u003e \u003cem\u003eIpomoea\u003c\/em\u003e × \u003cem\u003emultifida\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLife cycle:\u003c\/strong\u003e Annual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposure:\u003c\/strong\u003e Full sun\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSowing:\u003c\/strong\u003e Direct sow after frost or start indoors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanting depth:\u003c\/strong\u003e 1\/2 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGermination:\u003c\/strong\u003e 5–10 days\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMature height:\u003c\/strong\u003e 8 ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal spacing:\u003c\/strong\u003e 10–12 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate seed count:\u003c\/strong\u003e 70\u003c\/li\u003e\n\u003c\/ul\u003e\u003c!-- seed-starting-help:2026-08-23 --\u003e\u003caside aria-label=\"Seed-starting help\" style=\"margin:1.25rem 0;padding:.9rem 1.05rem;border-left:4px solid #8467a5;background:#f8f5ef;\"\u003e\u003cp\u003e\u003cstrong\u003eSeed-starting help:\u003c\/strong\u003e Tiny seeds, large opinions. This variety can begin indoors or outside. Compare \u003ca href=\"\/blogs\/news\/how-to-direct-sow-flower-seeds\"\u003edirect sowing\u003c\/a\u003e with \u003ca href=\"\/blogs\/news\/how-to-start-flower-seeds-indoors\"\u003eindoor seed starting\u003c\/a\u003e, then check \u003ca href=\"\/blogs\/news\/when-to-start-flower-seeds\"\u003ewhen to begin in your climate\u003c\/a\u003e.\u003c\/p\u003e\u003c\/aside\u003e\u003cp\u003ePlace this heat-loving heirloom where you can watch hummingbirds pause among the red flowers. Browse more lively climbers in our \u003ca href=\"\/collections\/flower-seed-packets\"\u003eflower seed packets\u003c\/a\u003e.\u003c\/p\u003e","brand":"Renee's Garden","offers":[{"title":"Default Title","offer_id":44028145401915,"sku":"SWF5162","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3455\/6475\/files\/renee-s-garden-cardinal-climber-vine-heirloom.jpg?v=1787448006","url":"https:\/\/www.anniesannuals.com\/products\/renee-s-garden-climber-vine-cardinal","provider":"Annie's Annuals \u0026 Perennials","version":"1.0","type":"link"}