‘Heirloom Spearmint’ Kitchen Herb Seeds

Heirloom spearmint is prized for its sweet, refreshing flavor and aromatic bright green leaves, making it a versatile addition to any kitchen garden. Known as the sweetest of all mints, it produces abundant serrated foliage throughout the growing season, suited to adding a fresh herbal note to salads, sauces, and cooked dishes. The leaves can be used whole, chopped, dried, frozen, or preserved, giving you year-round access to their distinctive flavor. This variety is also suited to making spearmint tea, flavoring cold drinks, or crafting classic cocktails like Mint Juleps.

Variety Details

• Plant type: Perennial
• Growth habit: Herbaceous
• Crop category: Herb
• Kitchen profile: Heirloom spearmint is prized for its sweet, refreshing flavor and aromatic bright green leaves, making it a versatile addition to any kitchen garden.
• Recorded feature: Container Compatible
• Product format: Seed packet

Sowing & Growing

• Soil Temperature: 55–70°F
• Planting Depth: 1/4"
• Germination: 10–15 days
• Height at Maturity: 12–24"
• Sun/Shade: Full sun to partial shade
• Spacing After Thinning: 12–18"

Match ‘Heirloom Spearmint’ Kitchen Herb to the light, soil, and temperature information recorded for the species. Some herbs are direct sown, while others benefit from a protected start or species-specific pretreatment, so retain the packet for reference. Keep seed media from drying during establishment without leaving it saturated. Once plants are growing, harvest modestly so foliage remains for continued development. Assign perennial herbs a long-term location, and consider containers for species with a spreading habit.

Before sowing ‘Heirloom Spearmint’ Kitchen Herb, review the packet alongside the current product details and note any range in temperature, germination, or maturity. Ranges reflect biological and seasonal variation rather than a fixed promise. Label each planting with its date and location, then compare emergence, growth, and harvest with local weather. This record is useful for succession plantings and for deciding whether the crop fits better into an earlier or later seasonal window.

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