{"product_id":"renee-s-garden-morning-glory-mailbox-mix-heirloom","title":"‘Mailbox Mix’ Heirloom Morning Glory Seeds","description":"\u003cp\u003eMailbox Mix brings a bit of living history to the garden. Deep blue and pearly white trumpets open fresh each morning over heart-shaped leaves, recalling the vigorous vines pioneer families once carried west to dress new fences and homesteads.\u003c\/p\u003e\u003cp\u003eThe 8–10-foot climbers quickly turn a mailbox post, arch, or sturdy trellis into a leafy landmark. Although each flower lasts a day, new buds keep unfurling as shortening summer days signal the vines to bloom in earnest.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBotanical name:\u003c\/strong\u003e \u003cem\u003eIpomoea tricolor\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePacket type:\u003c\/strong\u003e Single-species heirloom color blend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Deep blue and pearly white\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 in late spring or start indoors 4–5 weeks early\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 7–10 days\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMature height:\u003c\/strong\u003e 8–10 ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal spacing:\u003c\/strong\u003e 6–8 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate seed count:\u003c\/strong\u003e 110–115\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 packet contains a mix or blend, so begin with \u003ca href=\"\/blogs\/news\/how-to-plant-flower-seed-mixes\"\u003eour flower seed mix guide\u003c\/a\u003e, compare methods in the \u003ca href=\"\/blogs\/news\/how-to-grow-flowers-from-seed\"\u003ecomplete flower seed-starting guide\u003c\/a\u003e, and check \u003ca href=\"\/blogs\/news\/when-to-start-flower-seeds\"\u003elocal planting timing\u003c\/a\u003e.\u003c\/p\u003e\u003c\/aside\u003e\u003cp\u003eGive the vines a well-anchored eight-foot support and enjoy the daily rhythm of new flowers. See more blended color stories in our \u003ca href=\"\/collections\/seed-mixes\"\u003eseed mixes\u003c\/a\u003e.\u003c\/p\u003e","brand":"Renee's Garden","offers":[{"title":"Default Title","offer_id":44028145369147,"sku":"SWF5328","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3455\/6475\/files\/renee-s-garden-morning-glory-mailbox-mix-heirloom.jpg?v=1787448005","url":"https:\/\/www.anniesannuals.com\/products\/renee-s-garden-morning-glory-mailbox-mix-heirloom","provider":"Annie's Annuals \u0026 Perennials","version":"1.0","type":"link"}