Gladiolus Seeds – Blue

Bring striking color and graceful height to your garden with Blue Gladiolus Seeds, a beautiful heirloom, non-GMO mix selected for its vibrant spikes and classic wildflower charm. These gladiolus plants thrive in sunny locations and are perfect for borders, cutting gardens, and decorative landscape accents. Known for their tall flower spikes and reliable performance, they add an elegant vertical element throughout the summer season.

Easy to grow and ideal for gardeners of all experience levels, this mix produces strong, healthy plants with high germination rates. Whether you are enhancing a backyard garden or creating a dedicated floral display, these gladiolus seeds offer a dependable and attractive choice.

Features

• Heirloom, non-GMO seed mix

• Produces tall, colorful blue-toned gladiolus blooms

• Excellent for borders, cutting gardens, and ornamental displays

• High germination and vigorous growth

• Suitable for beginner and experienced gardeners

• Thrives in full sun with well-drained soil

Specifications

Botanical Name: Gladiolus spp.
Common Name in the US: Gladiolus
Seed Type: Heirloom, Non-GMO
Growth Habit: Upright, tall spikes
Light Requirement: Full sun
Soil Requirement: Well-drained, fertile soil

Best Growing Seasons (USA)

• Sowing Indoors: Late winter to early spring (February–April)

• Direct Planting Outdoors: Spring after frost danger has passed (March–May depending on zone)

• Blooming Period: Summer through early fall (June–September)

USDA Hardiness Zones

• Zones 7–10: Can be planted outdoors in spring; corms may overwinter in mild climates

• Zones 3–6: Plant in spring; lift and store corms in fall to protect from winter cold

Planting Details

• Sowing Depth: 1–2 inches

• Spacing: 4–6 inches apart

• Germination Time: 10–21 days

• Maturity / Bloom Time: 70–100 days after planting

• Watering: Moderate; keep soil evenly moist but not waterlogged