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Product Description
Add elegance and vibrant color to your garden with Deep Blue Hydrangea, a stunning flowering shrub known for its large, bright blue blooms. Perfect for borders, beds, and container planting, this low-maintenance plant enhances any garden space while attracting pollinators and creating long-lasting floral displays.
Produces large, vibrant deep blue blooms
Ideal for borders, beds, and container gardens
Hardy and low-maintenance, perfect for home gardening
Heirloom seeds, non-GMO, suitable for sustainable gardening
Attracts pollinators such as bees and butterflies
Seed Type: Perennial flowering shrub
Variety: Deep Blue Hydrangea
Plant Height: 24–36 inches (can vary with pruning)
Bloom Season: Summer to early autumn
Sunlight: Partial shade to full sun
Soil Requirement: Well-drained, fertile soil; slightly acidic soil enhances blue color
Watering: Moderate; keep soil consistently moist
Soil Preparation: Use well-draining, fertile soil enriched with organic matter; acidic soil encourages deeper blue blooms.
Sowing: Sow seeds lightly on the soil surface and press gently; do not cover deeply.
Spacing: Space seedlings 12–18 inches apart for healthy growth.
Watering: Keep soil moist during germination and early growth.
Light Requirement: Partial shade to full sun promotes strong growth and vibrant blooms.
Germination Time: 14–28 days under warm conditions (65–75°F).
Transplanting: Transplant seedlings when 3–4 inches tall to permanent garden locations or containers.
Maintenance: Remove faded flowers to encourage continuous blooming; prune as needed to maintain shape.
Life Cycle
Annual
Planting Season
Spring–Early Summer
Growth Habit
Mounding Spreading
Flavor Profile
Not
Plant Characteristics
Deep Black Blooms
Use
Borders, Containers
Growing Conditions
Full Sun, Loamy Soil
Harvest Advantages
Continuous Bloom
Plant Resistance
Heat Tolerant
Seed Names
Black Velvet Petunia
Seed Type
Hybrid Open-Pollinated
Light Requirement
Full Sun
Planting Depth
Surface Sow
Sowing Method
Indoor or Direct
Plant Spacing
10–12 Inches
Days to Maturity
80–90 Days
Soil Preparation
No Soaking Needed
Hardiness Zones
9–11
Water Needs
Moderate
Planting Season
Spring
Seed Count
Recommended Coverage
100
Up to 50 sq ft
500
Up to 250 sq ft
1000
Up to 500 sq ft