Heirloom Seeds
‘Mailbox Mix’ Heirloom Morning Glory Seeds
Sold by Annie’s Annuals & Perennials · United States
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Mailbox 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. The 8–10-foot
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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. Botanical name: Ipomoea tricolor Packet type: Single-species heirloom color blend Colors: Deep blue and pearly white Life cycle: Annual Exposure: Full sun Sowing: Direct sow in late spring or start indoors 4–5 weeks early Planting depth: 1/2 in. Germination: 7–10 days Mature height: 8–10 ft. Final spacing: 6–8 in. Approximate seed count: 110–115 Seed-starting help: Tiny seeds, large opinions. This packet contains a mix or blend, so begin with our flower seed mix guide , compare methods in the complete flower seed-starting guide , and check local planting timing . Give the vines a well-anchored eight-foot support and enjoy the daily rhythm of new flowers. See more blended color stories in our seed mixes .