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Product Description
Black Heart Flower produces striking dark blooms, making it a popular choice for cut flower arrangements. This heirloom, GMO-free variety is perfect for adding drama and elegance to your garden.
Product Features:
Plant Type: Black Heart
Flower Color: Deep dark (almost black)
Growth Habit: Upright, bushy
Seed Type: Heirloom, GMO-Free
Sun Requirement: Full sun to partial shade
Soil Requirement: Well-draining soil
Maintenance: Low
Planting Instructions:
Sow seeds indoors 6–8 weeks before the last frost or directly outdoors after frost danger has passed.
Lightly cover seeds with soil.
Space plants 12–18 inches apart.
Keep soil moist during germination.
Germination usually takes 10–14 days.
Water regularly and deadhead spent flowers to encourage blooming.

Life Cycle
Annual flowering plant
Planting Season
Warm season
Growth Habit
Upright, bushy growth
Flavor Profile
Not applicable
Plant Characteristics
Unique blooms with contrasting dark centers and colorful petals
Use
Cut flower gardens, borders, cottage gardens, containers
Growing Conditions
Thrives in sunny locations with well-drained soil
Harvest Advantages
Produces striking flowers ideal for bouquets and floral arrangements
Plant Resistance
Easy to grow and adaptable to various garden conditions
Scientific Name: Mixed ornamental varieties
Seed Names
Black Heart Flower Seeds
Seed Type
Heirloom & GMO Free
Black Heart flowers are admired for their distinctive blooms featuring dark central markings surrounded by vibrant petals. These heirloom plants grow easily and produce attractive flowers that work beautifully in garden beds, borders, and cut flower arrangements. Their unique appearance and reliable blooming make them a favorite choice for gardeners seeking dramatic floral displays.
Light Requirement
Full Sun to Partial Shade
Planting Depth
Sow about ⅛ inch deep or lightly cover
Sowing Method
Direct sow outdoors or start indoors in seed trays
Plant Spacing
10–12 inches
Days to Maturity
70–90 days
Soil Preparation
No special treatment required
Hardiness Zones
USDA 4–9
Water Needs
Moderate; prefers well-drained soil
Planting Season
Spring / Early Summer
Seed Count
Recommended Coverage
100
Up to 25 sq ft
500
Up to 50 sq ft
1000
Up to 100 sq ft