Best Zinnia Flower Seeds of 2026

The Premier Zinnia Whirlygig Seeds offer an excellent option for budding gardeners. You can sow these seeds thinly under cover 4-6 weeks before the last frost, ensuring they are started in ideal conditions. Germination typically occurs within 5 to 10 days, allowing you to see quick results. Once the seedlings are strong enough, you can easily thin and transplant them for optimal growth. With proper care, including monthly feeding and pinching back for bushier plants, you can enjoy vibrant blossoms throughout the season.

Zinnia ‘Forecast’ Seeds by Thompson and Morgan are a delightful addition to any garden. With vibrant blooms in a mix of purple, pink, orange, salmon, yellow, and cream, these flowers provide long-lasting colour throughout the summer. You can also enjoy them indoors as stunning cut flowers. They are drought tolerant, making them easy to care for, and thrive in sunny spots. Additionally, these flowers are excellent for attracting pollinators, helping to support local wildlife in your garden.

The Premier Seeds Zinnia Envy is a quality seed supply licensed by DEFRA, ensuring you receive professional-grade seeds for your garden. The minimal packaging helps reduce waste, making it an environmentally friendly choice for gardeners. While instructions are not included, detailed cultivation advice is provided separately to guide you through the growing process. This Green Zinnia variety comes in a 4-gram pack, containing approximately 480 seeds, giving you plenty of opportunities to grow vibrant flowers in your outdoor space.

The Mr Fothergills Zinnia Seeds are a fantastic choice for anyone looking to enhance their garden. These Giant Double Seeds are perfect for cutting and creating beautiful mixed borders. Being a half hardy annual, they allow you to enjoy vibrant blooms year after year. With approximately 100 seeds in each packet, you have plenty to sow. You can easily start them outdoors between April and May or indoors from March to April, ensuring flexibility in your planting schedule.

Mr Fothergill's Zinnia Jazz Seeds are a fantastic choice for your garden. As a half-hardy annual, these seeds will flower in the same year you sow them, providing you with beautiful blooms in no time. The large, easy-to-grow flowers make them perfect for gardeners of all levels. You'll also appreciate the dramatic impact they provide, whether in a border or as striking cut flowers for your home. With a growing height of 75 cm, these plants are sure to catch the eye.

The California Giant Zinnia by Premier Seeds Direct allows you to start your gardening journey 4-6 weeks before the last frost. By sowing the seeds in good quality compost at 70F, you can expect germination within 5-10 days, giving you an early start. You can also sow them outdoors in well-drained soil during early summer, provided you protect the young seedlings from pests and ensure they stay warm. Once they are large enough, you can easily transplant them to trays, allowing for better growth in cooler conditions.