Best Agastache Flower Seeds of 2025

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Agastache flower seeds are a popular choice for gardeners who want to add a splash of colour and fragrance to their outdoor space. These seeds produce tall spikes of vibrant flowers, ranging in colour from pink and purple to blue and orange. The plants themselves are hardy and easy to grow, making them a great option for both experienced and novice gardeners alike. With their sweet, minty fragrance, agastache flowers are also a favourite among bees and butterflies, making them an excellent choice for pollinator-friendly gardens.
At a Glance: Our Top Picks
Top 7 Agastache Flower Seeds
Agastache Aurantiaca Mixed Flower Seeds Packet
The Agastache Aurantiaca Seeds are a delightful choice for your summer garden. This mixed collection, commonly known as hummingbird mint, adds vibrant colour and elegance with its flower spikes. You will enjoy the mint-scented foliage, which not only enhances the garden's aesthetics but also attracts pollinating insects from July onwards. Ideal for filling gaps in garden borders or planting in patio containers, these seeds thrive best in full sun, ensuring a flourishing display throughout the season.
Premier Seeds Direct Giant Hyssop Seeds
The Giant Hyssop Seeds from Premier Seeds Direct are perfect for your garden. You can sow them from early spring under cover, ensuring warmth on fine seed compost, which aids in germination. Expect germination to average between 14 to 21 days at 20°C, making it a relatively quick process. Once the seedlings are large enough, you can prick them out into individual pots. This allows for easy handling and growth in cooler conditions, giving you robust plants ready to thrive outdoors.
Agastache Rugosa 'Liquorice White' Flower Seeds
The Liquorice White Flower Seeds offer a delightful addition to your garden with their spires of white flowers blooming from July to September. These hardy perennials grow to a height of 60-70cm, making them an excellent choice for borders while attracting bees and butterflies, enhancing your garden's ecosystem. You can easily sow them in February or March for first-year blooms, ensuring a vibrant display in just a few months. With proper care and attention to temperature, you can enjoy beautiful flowers year after year.
Plant World Seeds Anise Hyssop 'Golden Jubilee'
The Plant World Seeds Agastache offers genuine seeds directly from the UK, ensuring quality for your gardening needs. With a height of 40-60cm, this perennial flower is perfect for adding height to your garden beds. Each packet contains approximately 90 seeds, giving you ample opportunity to create a stunning display. Notably, this variety was recognised with the 'All America Award' for its remarkable beauty and resilience, providing you with a long-lasting plant that thrives in well-drained soil.
Anise Hyssop Seeds, Long Blooming Perennial
The Anise Hyssop Seeds provide an upright, licorice-scented perennial that adds deep blue colour to your garden. With a long blooming time, this plant requires little maintenance, making it ideal for busy gardeners. It thrives beautifully alongside prairie-type plants such as valerian, rudbeckia, and phlox, enhancing your garden's diversity. Additionally, it attracts bees, butterflies, and hummingbirds, creating a vibrant pollinator-friendly environment for you to enjoy.
AGASTACHE 'Green Candles' Flower Seeds Pack
The AGASTACHE Flower Seeds pack contains 50 fresh seeds, allowing you to cultivate beautiful perennial plants in your garden. As a DEFRA registered product, you can trust that these seeds meet high quality standards. The professional DEFRA licensed quality seed supply ensures you receive only the best for your gardening needs. With minimal packaging and ziplock labelled bags, you can easily store and organise your seeds. Plus, clear instructions are included, making it simple for you to get started with planting.
Anise Hyssop Blue Spike Flower Seeds by Arborix
The Anise Hyssop Seeds offer a delightful addition to your garden with their striking dark lavender-blue flowers atop spiciform stems. You will enjoy the strong aniseed fragrance of the leaves, which can be used fresh or dried to make a soothing tea. Furthermore, the flowers produce abundant nectar, making them an excellent choice for attracting pollinators and supporting local honey production. This combination of fragrance and vibrant colour will enhance the beauty and biodiversity of your outdoor space.
During our agastache flower seed research, we found 15 agastache flower seed products and shortlisted 7 quality products. We collected and analyzed 1,727 customer reviews through our big data system to write the agastache flower seeds list. We found that most customers choose agastache flower seeds with an average price of £3.01.
The agastache flower seeds are available for purchase. We have researched hundreds of brands and picked the top brands of agastache flower seeds, including Thompson & Morgan, Premier Seeds Direct, PlantGenesis, Plant World Seeds, Grow Your Secret Garden. The seller of top 1 product has received honest feedback from 5,906 consumers with an average rating of 4.3.

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.