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 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.
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Botanical name: Ipomoea tricolor
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Packet type: Single-species heirloom color blend
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Colors: Deep blue and pearly white
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Life cycle: Annual
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Exposure: Full sun
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Sowing: Direct sow in late spring or start indoors 4–5 weeks early
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Planting depth: 1/2 in.
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Germination: 7–10 days
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Mature height: 8–10 ft.
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Final spacing: 6–8 in.
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Approximate seed count: 110–115
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.
