California Giant Zinnia Seeds
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California Giant Zinnia Seeds produce large, vibrant blooms that bring bold color and charm to any garden. These heirloom, non-GMO seeds are perfect for home gardeners looking to grow cheerful, long-lasting flowers that attract butterflies and pollinators. With a mix of bright shades including red, pink, yellow, orange, and white, California Giant Zinnias make a stunning addition to flower beds, borders, and cutting gardens. Easy to grow and heat-tolerant, they thrive in full sun and bloom from summer to fall. Each seed packet includes full planting instructions to help you cultivate a beautiful and thriving garden.




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Features
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
Planting Information
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
Coverage
Seed Count
Recommended Coverage
100
Up to 50 sq ft
500
Up to 250 sq ft
1000
Up to 500 sq ft