Sweet Pea 'Mammoth Navy Blue' Seed

Navy Blue Sweet Pea | Fragrant Climbing Vine | True Single Color

Mammoth Navy Blue brings a deep, true navy tone to classic sweet pea — one of the most fragrant flowers you can grow, with the added bonus of a genuinely rare true-blue color in the flower world.

What You'll Love

• A true, deep navy blue, rare true-blue tone
• Strong, classic sweet pea fragrance
• Climbing habit, great for trellises and fences
• 20 seeds per packet

Planting Information

• Sun: Full sun to part sun
• Plant type: Annual (cool-season)
• Germination: 10–14 days (soak seeds or nick seed coat first)
• Best soil temperature: 55–65°F
• Planting depth: 1 inch
• Spacing: 4–6 inches apart
• Bloom time: 60–70 days from sowing
• Height: 60–72 inches (climbing)

How to Grow
Soak seeds overnight or nick the seed coat before sowing to speed germination. Direct sow as early as soil can be worked in spring, or in fall in mild climates. Provide a trellis or netting to climb. Keep soil consistently moist. Cut often! Sweet peas stop blooming if allowed to set seed.

Good to Know
Sweet peas are a cool-season flower and fade once summer heat arrives... get them in early for the longest bloom window.

Perfect For

• Fragrant cutting gardens
• Trellis and fence plantings
• Spring bouquets
• Growers wanting a true rare blue tone

Package Includes

• 20 Sweet Pea 'Mammoth Navy Blue' seeds
• Access to our full QR-linked growing guide
• Hand-packed with care by Briar Patch Picker