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Product Description
Bring elegance and charm to your garden with Sky Blue Hydrangea seeds. These heirloom seeds produce stunning sky-blue blooms with a delicate fragrance, making them a favorite for home gardens, borders, and ornamental displays. Easy to grow and low maintenance, Sky Blue Hydrangeas add a serene and colorful touch to any garden space.
Heirloom Variety: Preserves traditional plant genetics for future planting.
GMO-Free: 100 Pcs% natural, non-modified seeds.
Fragrant Blossoms: Produces aromatic, visually striking flowers.
Easy to Grow: Suitable for home gardeners and outdoor planting.
Versatile Use: Ideal for borders, containers, or decorative garden beds.
Seed Type: Sky Blue Hydrangea
Plant Height: 18–36 inches (approx.)
Flower Color: Sky blue
Growth Habit: Upright, bushy flowering shrub
Germination Time: 14–28 days under optimal conditions
Sowing: Start seeds indoors in pots or trays with well-draining soil mix.
Depth: Lightly cover seeds with a thin layer of soil.
Watering: Keep soil consistently moist but not soggy until seedlings emerge.
Light: Provide bright, indirect sunlight for optimal growth.
Temperature: Maintain 18–24°C (65–75°F) for best germination.
Transplanting: When seedlings have 2–3 true leaves and frost risk has passed, transplant outdoors in a partially shaded area.
Spacing: Allow 18–24 inches between plants to support healthy growth.

Life Cycle
Perennial shrub
Planting Season
Spring, early fall
Growth Habit
Bushy upright
Flavor Profile
Non-edible ornamental
Plant Characteristics
Sky blue blooms
Use
Garden decoration
Growing Conditions
Moist rich soil
Harvest Advantages
Long-lasting flowers
Plant Resistance
Moderate pest resistance
Hydrangea macrophylla
Seed Names
Hydrangea flower seeds
Seed Type
Heirloom GMO-free
Sky Blue Hydrangea is a beautiful ornamental flowering shrub grown for its large, rounded blue flower clusters. It is ideal for home gardens, borders, containers, and landscape decoration. Blue bloom color performs best in acidic soil with steady moisture and partial sunlight.
Light Requirement
Partial sun
Planting Depth
Surface sowing
Sowing Method
Indoor starter
Plant Spacing
2–3 years
Days to Maturity
Landscape shrub spacing
Soil Preparation
Cold stratification
Hardiness Zones
Zones 5–9
Water Needs
Consistent moisture
Planting Season
Spring, early fall
Seed Count
Recommended Coverage
100
Up to 20–40 sq ft
500
Up to 100–200 sq ft
1000
Up to 200–400 sq ft