Sunflower Seeds – Gray Mongolian

Grow impressive Gray Mongolian sunflowers from these premium-quality seeds. This rare giant heirloom variety is known for its towering height, enormous blooms, and distinctive gray-tinted centers. Ideal for creating dramatic garden backdrops, borders, and statement plantings, Gray Mongolian sunflowers thrive in full sunlight and nutrient-rich, well-drained soil. With strong germination and vigorous growth, this striking variety adds bold character and beauty to any outdoor garden space.

Features:

• High-quality Gray Mongolian sunflower seeds for outdoor planting

• Produces giant plants with large blooms and unique gray-toned centers

• Ideal for borders, garden backdrops, and bold landscape displays

• Thrives in full sun and fertile, well-drained soil

• Strong germination and reliable seasonal growth

Specifications:

• Seed Type: Gray Mongolian Sunflower (Helianthus annuus – giant heirloom variety)

• Growth Habit: Tall upright annual

• USDA Zones: 3–10 (grown as a warm-season annual)

• Season for Sowing: Spring to early summer (February–June)

• Germination Time: 7–14 days in warm soil

• Sunlight Requirement: Full sun

• Soil Requirements: Nutrient-rich, well-drained loamy soil

• Watering Needs: Moderate; water consistently but avoid waterlogging

• Support Needed: Staking recommended due to exceptional height

• Bloom Time: Summer through early fall