Zinnia - Under The Sea Mix

Zinnia Seeds - Under The Sea Mix ~25 Seeds

Bring the colours of the ocean right into your garden with the dazzling Under The Sea Mix of zinnias. This unique blend showcases frilly, curled, and wavy blooms in a spectrum of aquatic-inspired shades—corals, pinks, purples, and golden tones that ripple like sunlight through water.

Each plant produces armloads of long-stemmed flowers perfect for cutting, ensuring your summer bouquets are as lively and whimsical as a coral reef.

Zinnias are one of the easiest flowers to grow, thriving in sunny gardens with minimal fuss. Their cheerful blossoms attract pollinators like bees and butterflies, while their bold shapes and textures add playful movement to beds, borders, and containers. With continuous blooms from summer until frost, Under The Sea Mix delivers wave after wave of vibrant colour.

Perfect for gardeners looking to brighten their space with a low-maintenance, high-impact flower, these zinnias are especially delightful for cutting gardens, cottage-style borders, or anywhere you want a splash of fun and flair.

• Attracts bees and butterflies
• Suitable for cut flowers (bouquets)
• Open-pollinated

Plant Details

• Annual
• Hardiness: Zones 2–11 (grown as annual)
• Height: 24–36 in (60–90 cm)
• Seed Depth: ¼ in (0.6 cm)
• Spread: 12–18 in (30–45 cm)
• Bloom time: Summer until frost
• Days to germination: 5–10 days
• Days to maturity: 60–70 days

Growing Instructions

Sow zinnia seeds directly outdoors after the danger of frost has passed, or start indoors 4–6 weeks before your last frost date for earlier blooms. Plant in well-drained soil with full sun exposure. Space seedlings 9–12 in (23–30 cm) apart for good air circulation. Deadhead spent blooms to encourage continuous flowering. Water regularly but avoid overhead watering to minimize mildew.

FAQ

Q: Do zinnias make good cut flowers?
A: Yes! Zinnias have strong, long stems and a long vase life, making them excellent for fresh bouquets.

Q: Will they bloom all summer?
A: Yes, with regular deadheading, zinnias will continue to bloom from summer until frost.

Q: Can I grow them in containers?
A: Absolutely. Choose a large pot with good drainage and give each plant enough space to grow.