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Product Description
Bring enchanting colors and extended beauty to your garden with Pastel Rainbow Hydrangea seeds. This heirloom variety produces charming pastel-colored blooms that change subtly over the flowering season, making it perfect for borders, containers, and home garden displays. Easy to grow and low-maintenance, these hydrangeas provide long-lasting color and elegance.
Heirloom Variety: Preserves traditional plant genetics for future planting.
GMO-Free: 100 Pcs% natural, non-modified seeds.
Long Bloom Season: Enjoy vibrant, pastel-colored blooms for an extended period.
Color-Changing Blooms: Subtle variations in color throughout the flowering season.
Easy to Grow: Suitable for home gardens, containers, and borders.
Seed Type: Pastel Rainbow Hydrangea
Plant Height: 18–36 inches (approx.)
Flower Color: Pastel shades (color may vary as blooms mature)
Growth Habit: Upright, bushy flowering plant
Germination Time: 14–28 days under optimal conditions
Sowing: Start seeds indoors in pots or trays with well-draining soil mix, or direct sow outdoors after frost.
Depth: Lightly cover seeds with a thin layer of soil.
Watering: Keep soil consistently moist until seedlings emerge.
Light: Full sun to partial shade is ideal for healthy growth.
Temperature: Maintain 18–24°C (65–75°F) for optimal germination.
Transplanting: When seedlings have 2–3 true leaves, transplant outdoors with spacing of 12–18 inches.
Care: Remove spent flowers to encourage continuous blooming and maintain bushy growth.

Life Cycle
Perennial
Planting Season
Spring Fall
Growth Habit
Upright Bushy
Flavor Profile
Non Edible
Plant Characteristics
Color Changing Blooms
Use
Ornamental Garden
Growing Conditions
Moist Well Drained
Harvest Advantages
Long Blooming
Plant Resistance
Moderate Pest Resistant
Hydrangea macrophylla
Seed Names
Hydrangea Seeds
Seed Type
Heirloom Open Pollinated
Pastel Rainbow Hydrangea produces stunning multicolor blooms that shift shades throughout the season. Ideal for home gardens, these heirloom, GMO-free seeds grow into lush shrubs with long-lasting flowers, adding elegance and vibrant color to landscapes.
Light Requirement
Partial Full Sun
Planting Depth
Surface Light Cover
Sowing Method
Indoor Transplant
Plant Spacing
3 To 5 Feet
Days to Maturity
365 Plus Days
Soil Preparation
Cold Stratification
Hardiness Zones
5 To 9
Water Needs
Moderate Consistent
Planting Season
Spring Early Fall
Seed Count
Recommended Coverage
100
Up to 20 Sq Ft
500
Up to 100 Sq Ft
1000
Up to 200 Sq Ft