Gladiolus Flower Seeds – Tall Blooming Ornamental Garden Variety

Overview

Gladiolus Flower Seeds grow into tall, graceful plants that produce striking spikes of trumpet-shaped flowers in a wide range of vibrant colors — red, pink, yellow, white, orange, and purple. Known as “Glads”, these summer-blooming plants add elegance and height to garden beds and borders.

Perfect for cut-flower gardens and floral displays, Gladiolus is a favorite among home gardeners and florists alike. The upright, sword-like foliage complements the long stems of brilliant blooms, creating a bold, dramatic garden display.

Features

• Premium quality non-GMO Gladiolus seeds
• Produces tall flower spikes in multiple bright colors
• Excellent for cut flowers and ornamental gardens
• Ideal for borders, garden beds, and floral arrangements
• Easy to grow in full sun and well-drained soil
• Adds strong vertical structure and visual impact

Specifications

• Common Name (US): Gladiolus / Sword Lily (Gladiolus hortulanus)
• Seed Type: Tender perennial (grown as annual), open-pollinated, non-GMO
• Planting Season: Spring after frost or indoors 6–8 weeks early
• USDA Hardiness Zones: 8–11 (annual in cooler zones)
• Sunlight Requirements: Full sun (6–8 hours daily)
• Soil Type: Well-drained, fertile soil; pH 6.0–7.0
• Sowing Method: Sow seeds 1/8 inch deep; keep soil evenly moist
• Germination Time: 14–21 days at 70–75°F
• Days to Maturity: 120–150 days from sowing
• Spacing: 6–8 inches apart
• Plant Height: 2–5 feet tall (variety-dependent)
• Watering Needs: Moderate; prefers consistent moisture
• Bloom Season: Summer through early fall
• Yield: Tall spikes with multiple blooms per stem
• Storage: Seeds viable for 1–2 years if stored cool and dry