Zinnia Seeds (California Giant Zinnia Seeds) - Large Vibrant Blooms with Broad Petals

Create a stunning, colorful garden with California Giant Zinnia Seeds. Known for their impressively large blooms and broad layered petals, this Zinnia variety provides bright, eye-catching flowers perfect for garden beds, borders, landscaping, and cut flower displays.

These seeds are beginner-friendly and thrive in warm weather with full sun exposure. California Giant Zinnias bloom continuously from summer to fall and are well-loved for their vibrant colors and long-lasting flowers. As Non-GMO seeds, they offer strong germination and healthy plant development.

Their bright blooms attract pollinators and make excellent additions to home gardens and floral arrangements.

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Features

• Produces large, showy blooms with broad petals

• Long-lasting flowers from summer into fall

• Beginner-friendly and fast growing

• Ideal for borders, gardens, containers, and cut flower displays

• Attracts pollinators and enhances garden color

Specifications 

• Common Name: Zinnia

• Scientific Name: Zinnia elegans

• Seed Type: Flowering

• Color: Mixed vibrant colors

• Growth Habit: Annual

• Sunlight Requirement: Full Sun

• USDA Hardiness Zones: 3–10 (grown as annual)

• Bloom Season: Summer to Fall

• Height: 24–40 inches

• Ideal Use: Gardens, Borders, Containers, Cut Flowers

• Water Requirement: Low to Moderate

• Soil Preference: Well-drained soil

• Heirloom: Yes

• Non-GMO: Yes

• Growth Difficulty: Easy

• Planting Season: Spring after frost or indoors before last frost

Planting Guide

1. Soil Prep: Choose well-drained soil in full sunlight.

2. Sowing: Sow directly outdoors after frost or start indoors 4–6 weeks before frost.

3. Depth: Plant seeds about ¼ inch deep.

4. Spacing: Space plants 12–18 inches apart for large blooms.

5. Watering: Water regularly until established; avoid overwatering.

6. Germination Time: 7–14 days depending on temperature.

7. Care: Remove spent flowers to encourage continuous blooming.