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Product Description
Add vibrant vertical color to your garden with Gladiolus flower seeds, known for their striking, sword-shaped blooms and ease of cultivation. These heirloom seeds are perfect for borders, beds, and cut flower arrangements, offering long-lasting beauty and minimal maintenance for gardeners of all levels.
Plant Type: Perennial flowering plant (often grown as annual in cooler climates)
Bloom Color: Red, pink, white, yellow, purple, and mixed varieties
Growth Habit: Upright, tall spikes
Height: 24 – 48 inches (variety dependent)
Light Requirement: Full sun
Soil Preference: Well-drained, fertile soil
Garden Use: Borders, flower beds, containers, and cut flower arrangements
Seed Type: Open-pollinated, heirloom, non-GMO
Special Traits: Easy to grow, long-lasting blooms
Sowing Time: Sow indoors 8 – 10 weeks before the last frost or directly outdoors after frost risk has passed.
Seed Depth: Plant seeds 1/4 – 1/2 inch deep in well-prepared soil.
Spacing: Space plants 6 – 12 inches apart depending on mature size.
Watering: Keep soil consistently moist during germination; water moderately once established.
Germination Period: 14 – 21 days under optimal conditions.
Maintenance: Stake taller varieties if necessary and remove spent flowers to encourage continuous blooming.
Life Cycle
Perennial bulb plant
Planting Season
Spring to summer
Growth Habit
Tall upright growth
Flavor Profile
No edible flavor
Plant Characteristics
Large colorful spikes
Use
Cut flower plant
Growing Conditions
Warm sunny climate
Harvest Advantages
Long lasting blooms
Plant Resistance
Moderate heat tolerance
Scientific Name: Gladiolus hortulanus
Seed Names
Gladiolus
Seed Type
Open pollinated
Gladiolus Flower Seeds grow into tall, elegant plants producing vibrant flower spikes in a range of bright colors. These heirloom, GMO-free seeds are easy to grow and ideal for home gardens, borders, and cut flower arrangements.
Light Requirement
Full sun
Planting Depth
½ inch deep
Sowing Method
Tray or ground
Plant Spacing
6–8 inches
Days to Maturity
90–120 days
Soil Preparation
Soak before sowing
Hardiness Zones
USDA zones 7–10
Water Needs
Moderate watering
Planting Season
Spring to summer
Seed Count
Recommended Coverage
100
Up to 15 sq ft
500
Up to 75 sq ft
1000
Up to 150 sq ft