All China Aster Seeds | Callistephus chinensis

Discover the full collection of China Asters (Callistephus chinensis) — one of the most beloved and timeless cut-flower classics, grown and trialed at Therapy of Flowers. From soft romantic pastels to rich jewel tones, these asters are celebrated for their perfectly shaped blooms, sturdy stems, and exceptional vase life — a true must-have for every flower grower and floral designer.

Whether you adore the large, fully double Chrisantella, the soft, ruffled Tower varieties, or the elegant pastel tones of Lady Coral, Syringa, Juwel, Sea Starlet, Trobador, Valkyrie, Harlekin, and Benary’s selections, our curated assortment offers every texture, hue, and form to match your creative floral vision.

A vibrant display of lavender China Aster seeds (Callistephus chinensis) blooming in a lush garden.

New seeds

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Ranunculus and Anemones – Elegant Blooms for a Stunning Garden

Transform your garden with the timeless elegance of Ranunculus and Anemones. These classic flowers are beloved for their vibrant colors, delicate petals, and long-lasting blooms, making them perfect for garden beds, borders, and floral arrangements

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Blog posts

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  • How to Label Sown Seeds and Plants in the Garden

    How to Label Sown Seeds and Plants in the Garden

    Learn how to label seeds and garden plants correctly, why cardboard seed trays and wooden labels can develop mould, and which durable, reusable alternatives make seed starting easier.

    How to Label Sown Seeds and Plants in the Garden

    Learn how to label seeds and garden plants correctly, why cardboard seed trays and wooden labels can develop mould, and which durable, reusable alternatives make seed starting easier.

  • Chocolate Cosmos – The Luxury Flower That Smells Like Dark Chocolate

    Chocolate Cosmos – The Luxury Flower That Smell...

    Discover how to grow Chocolate Cosmos ‘Black Magic’ from seed, overwinter its tubers and enjoy one of the world’s most luxurious flowers with its unforgettable dark chocolate fragrance.

    Chocolate Cosmos – The Luxury Flower That Smell...

    Discover how to grow Chocolate Cosmos ‘Black Magic’ from seed, overwinter its tubers and enjoy one of the world’s most luxurious flowers with its unforgettable dark chocolate fragrance.

  • The Sweet Pea Series That Changed Spring Cut Flower Growing | Lathyrus odoratus Spring Sunshine

    The Sweet Pea Series That Changed Spring Cut Fl...

    Discover the story behind Lathyrus odoratus Spring Sunshine — a professional sweet pea series developed for early cut flower production. Learn how Japanese breeding transformed sweet peas into florist favourites...

    The Sweet Pea Series That Changed Spring Cut Fl...

    Discover the story behind Lathyrus odoratus Spring Sunshine — a professional sweet pea series developed for early cut flower production. Learn how Japanese breeding transformed sweet peas into florist favourites...

  • Muscari – The Charming Spring Bulb We Return to Every Year

    Muscari – The Charming Spring Bulb We Return to...

    Discover everything about growing Muscari (Armenian Grape Hyacinth) — when to plant bulbs, where to grow them, winter care, container growing tips and beautiful varieties including Peppermint, Big Smile, Ocean...

    Muscari – The Charming Spring Bulb We Return to...

    Discover everything about growing Muscari (Armenian Grape Hyacinth) — when to plant bulbs, where to grow them, winter care, container growing tips and beautiful varieties including Peppermint, Big Smile, Ocean...

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