Best Lathyrus Flower Seeds of 2025

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Lathyrus flower seeds are a beautiful and vibrant addition to any garden. These seeds produce a range of colourful and fragrant flowers that are perfect for brightening up any outdoor space. Lathyrus flowers are easy to grow and maintain, making them an ideal choice for both novice and experienced gardeners. Whether you're looking to add a pop of colour to your garden or simply enjoy the scent of fresh flowers, Lathyrus flower seeds are a great choice.
At a Glance: Our Top Picks
Top 10 Lathyrus Flower Seeds
Thompson & Morgan Sweet Pea Heirloom Mixed Seeds
Sweet Pea Heirloom Mixed offers a delightful blend of vibrant colours and an intensely sweet fragrance, perfect for brightening up your garden. These smaller flowered heirloom types thrive beautifully when trained against arches or trellises, creating a stunning trailing display. You will receive 20 seeds along with cultural instructions, ensuring you know exactly how to care for them. Remember, the images provided are for guidance and actual results may vary based on your growing conditions.
Thompson & Morgan Sweet Pea 'Scent Infusion' Seeds
The Scent Infusion Sweet Pea Seeds by Thompson & Morgan are perfect for creating a fragrant display in your garden. These seeds can be trained against fences or obelisks, allowing you to enjoy their beauty and scent. The blend features both traditional and modern varieties, ensuring you have a stunning array of colours and aromas. You can conveniently sow these seeds indoors in October for a spring transplant or directly outdoors from March to April, making them easy to grow.
Suttons Fragrant Sweet Pea Flower Seeds
The Suttons Sweet Pea Seeds are perfect for creating an informal hedge around your seating area or under a window, allowing you to enjoy their delightful fragrance. The bi-coloured blooms in pink, white, and blue are not only beautiful but also highly scented, adding charm to your garden. With shorter stems, these flowers make stunning cut flowers for small vases, bringing nature indoors. As a hardy annual, they thrive and bloom from April to May, offering a lovely display in your garden.
Suttons Supersonic Sweet Pea Seeds - 20 Pack
The Suttons Supersonic Seeds are an excellent choice for adding vibrant beauty to your garden. With their delightful scent, these sweet peas are perfect for brightening up flower borders or patio pots. Growing up to 150cm tall, they produce stunning pastel blooms that are ideal for cut flower displays, filling your home with a lovely fragrance. To thrive, these seeds prefer rich, well-drained soil in a sunny or partially shaded area, making them easy to care for as you simply need to water them regularly throughout the growing season.
Thompson and Morgan Matucana Sweet Pea Seeds
The Matucana Sweet Pea Seeds from Thompson and Morgan offer a delightful addition to your garden. This heirloom variety produces beautiful crimson and violet blooms, adding colour and charm to your outdoor space. With its captivating scent, these flowers will enhance your garden's atmosphere. The bushy plants are perfect for scrambling over obelisks or thriving in large containers, making them versatile for various garden settings. Plus, you'll receive helpful cultural instructions to ensure your seeds are well cared for.
Thompson and Morgan Sweet Pea ‘Sugar N Spice’™ Seeds
The Sweet Pea ‘Sugar N Spice’™ by Thompson and Morgan is a specially bred dwarf variety that brings delightful fragrance to your garden. Ideal for hanging baskets, this hardy annual allows you to enjoy beautiful blooms in compact spaces. With 25 seeds in each packet, you can easily cultivate a charming display that enhances your outdoor area. This variety is perfect for those who appreciate both aesthetics and scent, making it a wonderful addition to any garden.
Sweet Pea 'Spencer Choice Mixed' Seeds
Sweet Peas 'Spencer Choice Mixed' are a delightful addition to any garden. With a pack of 50 seeds, you can enjoy a rich mix of beautifully scented flowers from June to September. These climbing plants can reach a height of about 1.8 metres, making them perfect for enhancing walls, trellises, or pots. As a hardy annual, they’re not only lovely to look at but also produce great cut flowers. You can sow them in spring or autumn, either in pots or directly in the ground in late spring, providing you with flexibility in planting.
Dwarf Sweet Pea Seeds 'Bijou Mixed' by Thompson and Morgan
The Bijou Mixed Sweet Pea Seeds by Thompson and Morgan allow you to grow beautiful, scented flowers in your own garden. These compact, bushy plants thrive in patio pots and window boxes, making them ideal for small spaces. You can even hang them in baskets for a stunning display. With large, fragrant blooms and up to five flowers per stem, you will enjoy a cheerful array of colours and scents. Each packet contains approximately 20 seeds, along with helpful growing instructions to ensure your success.
Thompson & Morgan Sweet Pea Seed Packet
The Sweet Pea Seed Packet by Thompson & Morgan offers you the chance to enjoy beautiful purple-pink flowers year after year. This hardy perennial is excellent for enhancing your garden, as it can effortlessly climb through shrubs and perennial borders without causing any disruption. It is also perfect for covering tricky slopes and embankments, providing quick-growing ground cover in the summer. With your seed packet, you receive detailed cultural instructions to help you care for your plants effectively.
Thompson and Morgan Sweet Pea ‘White Supreme’ Seeds
The Sweet Pea ‘White Supreme’ Seeds from Thompson and Morgan offer stunning white flowers that are among the purest varieties available. You will enjoy the abundance of blooms, with each strong plant producing four to five flowers per stem, making them perfect for cutting and displaying. Additionally, this RHS AGM variety emits a delightful sweet fragrance, enhancing your garden's atmosphere. With one packet containing 20 seeds, you can easily cultivate these lovely plants in your outdoor space.
Frequently Asked Questions (FAQs)
1. How do you plant Lathyrus seeds?
Propagated easily by seed. Annuals can be sown in a cold frame in early autumn or in early spring or in-situ (where they are to flower) in May. Sow perennials into pots in a cold frame in spring for planting out in autumn. If necessary, soak seed overnight before sowing, to hasten propagation.
2. Is Lathyrus invasive?
Lathyrus odoratus is noted to be invasive in New Zealand and possibly in the Dominican Republic (CABI). This species has naturalized in California but no information was available about it being invasive.
3. How do you plant Lathyrus vernus from seed?
Seeds can be sown at any time but are best sown in winter or early spring to benefit from a cold spell in the wet compost to break their dormancy. We advise covering seeds very thinly with sand or fine grit to about the depth of the seed size.
During our lathyrus flower seed research, we found 90 lathyrus flower seed products and shortlisted 10 quality products. We collected and analyzed 5,601 customer reviews through our big data system to write the lathyrus flower seeds list. We found that most customers choose lathyrus flower seeds with an average price of £4.10.
The lathyrus flower seeds are available for purchase. We have researched hundreds of brands and picked the top brands of lathyrus flower seeds, including Thompson & Morgan, Suttons, PlantGenesis. 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.