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Product Description
Mixed Carthamus Flower Seeds for Planting – Garden Favorite, Heirloom & GMO Free Seeds for Home Garden
Brighten your garden with the vibrant colors of Mixed Carthamus flowers. Known for their bold, thistle-like blooms, Carthamus is a garden favorite, admired for its ornamental beauty and ease of growth. These heirloom, non-GMO seeds are perfect for home gardeners looking for reliable germination and long-lasting charm.
Features & Specifications:
Plant Type: Carthamus (Safflower family)
Flower Colors: Mixed shades of orange, red, and yellow
Growth Habit: Upright annual with spiny foliage and bold flower heads
Seed Type: Heirloom & GMO-free, carefully selected for quality
Plant Height: 24–36 inches (60–90 cm)
Sun Requirement: Full sun
Soil Preference: Well-drained, moderately fertile soil
Blooming Season: Summer to early autumn
Uses: Garden borders, cut flowers, and ornamental displays
Planting & Sowing Instructions:
Seed Preparation: Sow directly outdoors; no pre-treatment required.
Sowing Time: Best sown in spring after the last frost.
Depth: Plant seeds 1–2 cm deep, spaced 20–30 cm apart.
Watering: Water moderately; avoid overwatering as Carthamus is drought tolerant once established.
Temperature: Germinates best in warm soil around 18–24°C (65–75°F).
Germination Time: 1–3 weeks under suitable conditions.
Care: Provide full sun exposure and well-drained soil. Minimal maintenance required, making it beginner-friendly.
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