Best Sweet Pea Flower Seeds of 2026

Toby Butcher Avatar
Toby Butcher
Last Updated: 5 Feb 2026

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Sweet pea 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 delicate and fragrant flowers that come in a range of colours, including pink, purple, red, and white. They are easy to grow and can be sown directly into the ground or started indoors before being transplanted. Sweet pea flowers are also known to attract pollinators such as bees and butterflies, making them a great addition to any garden.

At a Glance: Our Top Picks

Mr Fothergill's Sweet Pea Summer Sizzler Seeds Cover #TOP 1
Mr Fothergill's Sweet Pea Summer Sizzler Seeds
ftb score rating icon 9.9
Premier Seeds Direct Sweet Pea Spencer Mix Seeds Cover #TOP 2
Premier Seeds Direct Sweet Pea Spencer Mix Seeds
ftb score rating icon 9.8
Suttons Old Fashioned Scented Sweet Pea Seeds Cover #TOP 3
Suttons Old Fashioned Scented Sweet Pea Seeds
ftb score rating icon 9.6

Top 9 Sweet Pea Flower Seeds

#TOP 1

Mr Fothergill's Sweet Pea Summer Sizzler Seeds

Mr Fothergill's Sweet Pea Summer Sizzler Seeds Cover
Mr. Fothergill's Summer Sizzler Tall Sweet Pea Flower Seeds

Mr Fothergill's Sweet Peas offer a vibrant mix of hardy annual blooms that can be sown directly where you want them to flower. With their hot, bright colours, they are perfect for creating stunning summer displays and providing privacy through bright screening. These vigorous climbers not only thrive on trellises but also make for delightful cut flowers, bringing the beauty of your garden indoors. Growing up to 180 cm tall, they are sure to make a striking impression in any garden setting.

What We Like
Hardy annual blooms
Bright summer screening
Vigorous climber
Ideal for cut flowers
Impressive 180 cm height

Premier Seeds Direct Sweet Pea Spencer Mix Seeds

Premier Seeds Direct
SWP35F
100 SEEDS
Premier Seeds Direct Sweet Pea Spencer Mix Seeds Cover
PREMIER SEEDS DIRECT - Sweet Pea - Spencer Mix - 100 Finest Seeds

The Premier Seeds Sweet Pea offers a delightful addition to your garden. With a germination time of 10-14 days at an optimum temperature of 70F, you can expect quick results. Planting at a depth of ½ -1 inch ensures that your seeds are well-protected while also allowing for proper growth. You should space your seeds 1 inch apart to give them room to flourish. Keeping the soil moderately moist during this time helps the seeds thrive, leading to a vibrant display of flowers in your garden.

What We Like
Quick germination time
Easy planting depth
Moderate moisture requirement
Beautiful flowering plants

Suttons Old Fashioned Scented Sweet Pea Seeds

Multicolor
Suttons Old Fashioned Scented Sweet Pea Seeds Cover
Suttons Sweet Pea Seeds Old Fashioned Scented Mix Flower Seeds, Approx. 30 Seeds per Pack, Grow Your own Fragrant Sweet Pea Plants from Seed, Ideal for Beds and Borders, Greenhouses

Suttons Sweet Pea Seeds offer you the chance to cultivate your own fragrant sweet peas from seed. These seeds are perfect for climbing, attracting butterflies, and serve as excellent cut flowers. They can be sown in beds, borders, or greenhouses, growing to a height and width of 180 cm. With easy growing instructions, you can sow them indoors from January to March or outdoors from April to May, ensuring beautiful flowers from June to September.

What We Like
Fragrant and attractive flowers
Easy to grow from seed
Ideal for various planting areas
Perfect for climbing and borders
Butterfly-friendly plants
#TOP 4

Suttons Long Stem Mixed Sweet Pea Seeds

Suttons Long Stem Mixed Sweet Pea Seeds Cover
Suttons Sweet Pea Seeds Long Stem Mixed Flower Seeds, Approx. 50 Seeds per Pack, Grow Your own Fragrant Sweet Pea Plants from Seed, Ideal for Beds and Borders, Greenhouses

Suttons Sweet Pea Seeds are perfect for those looking to grow beautiful, fragrant flowers in their gardens. These seeds are ideal for climbing plants and attract butterflies, making your garden a lively space. You can easily sow them from January to May or September to October, ensuring vibrant blooms from June to September. With approximately 50 seeds per packet, you have plenty to create stunning beds and borders or use in greenhouses. These seeds come with helpful growing instructions to ensure your success.

What We Like
Easy to grow
Attracts butterflies
Perfect for beds and borders
Quality tested for high germination
Fragrant flowers

Thompson & Morgan Sweet Pea Heirloom Mixed Seeds

Thompson & Morgan Sweet Pea Heirloom Mixed Seeds Cover
Sweet Pea 'Heirloom Mixed' Seeds Lathyrus odoratus Hardy Annual Flower Garden Plants Sweet Pea 'Heirloom Mixed' 1 Packet 20 Seeds by Thompson and Morgan

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.

What We Like
Vibrant colour mixture
Intensely sweet fragrance
Ideal for arches and trellises
Includes care instructions
20 seeds per packet
#TOP 6

Mr Fothergill's Sweet Pea Old Spice Mix

16207
Multi-Coloured
Mr Fothergill's Sweet Pea Old Spice Mix Cover
Mr. Fothergill's Old Spice Mixed Tall Sweet Pea Flower Seeds

Mr Fothergill's Sweet Pea is a delightful choice for any garden. As a hardy annual, you can sow it directly where you want it to bloom, making planting straightforward. This mix features charming old-fashioned grandiflora varieties that bring a nostalgic touch to your space. The small flowers are not only easy to grow but are also highly scented, ensuring your garden is filled with lovely fragrances. With a growing height of 180 cm, these sweet peas will keep flowering for weeks, providing continuous beauty throughout the season.

What We Like
Highly scented flowers
Easy to grow
Long flowering period
Direct sowing possible
Charming vintage varieties

Thompson & Morgan Sweet Pea 'Scent Infusion' Seeds

Thompson & Morgan Sweet Pea 'Scent Infusion' Seeds Cover
Sweet Pea 'Scent Infusion' Seeds Lathyrus odoratus Hardy Annual Flowering Garden Plants Scented Blooms Easy to Grow Your Own 1 Packet of 32 Seeds by Thompson and Morgan

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.

What We Like
Fragrant blooms for garden displays
Modern and traditional varieties
Easy to grow and sow
Suitable for fences and obelisks

Just Seed Heaven Scent Sweet Pea Seeds

FLSPHS002
Multicolor
40 seeds
Just Seed Heaven Scent Sweet Pea Seeds Cover
Just Seed - Flower - Sweet Pea - Heaven Scent Mixed - 40 Seeds

The Heaven Scent Sweet Pea Seeds from Just Seed are an excellent choice for any gardening enthusiast. As part of the "The Difference is JustSeed" range, you can trust in the quality of these seeds. They are supplied directly by JustSeed UK, ensuring you receive only genuine products. Being a professional seed company, Just Seed is registered with Defra and holds organic registration, giving you peace of mind about your purchase. Each packet comes with helpful growing information, making it easier for you to cultivate beautiful flowers.

What We Like
High-quality seeds
Direct from JustSeed UK
Organic registration
Helpful growing information
#TOP 9

Just Seed Sweet Pea Heaven Scent Mixed Seeds

FLSPHS001
20 seeds
Just Seed Sweet Pea Heaven Scent Mixed Seeds Cover
Just Seed - Flower - Sweet Pea - Heaven Scent Mixed - 20 Seeds - Economy Pack

The Just Seed Sweet Pea offers a selection of Heaven Scent mixed flower seeds, perfect for gardeners looking to add vibrant blooms to their garden. As part of the trusted "The Difference is JustSeed" range, you can be confident in the quality and authenticity of the seeds. Supplied directly by JustSeed UK, these are genuine branded products, ensuring you get exactly what you expect. The seeds come with helpful growing information on the packaging, making it easier for you to cultivate beautiful flowers successfully.

What We Like
Part of trusted JustSeed range
Genuine branded products only
Direct supply from JustSeed UK
Helpful growing information included
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What month do you plant sweet pea seeds?

You can plant sweet peas from October to March. Sweet peas are hardy annuals so planting them in October or November will give them a head start and a chance to establish really strong root growth before being planted out in spring.

2. How do I grow sweet peas from seed?

Use a good quality compost and sow several sweet pea seeds to a pot. Plant them about 1cm deep, cover with compost and water them well. Sweet peas perform best if their roots are forced to grow in a deep, narrow channel so choose a tall pot to give them a strong start.

3. How long do sweet pea seeds take to flower?

Spring-sown sweet peas flower in 12-14 weeks. Sweet peas often have a hard seed coat making them more difficult to germinate. To soften the seed coat, place your seeds on a layer of moist vermiculite or kitchen tissue in an airtight container in a warm room, and sow them as soon as they swell or begin to sprout.

4. Do sweet pea flowers produce seeds?

In addition to offering a rainbow of hues and an alluring fragrance, sweet peas also generously self-seed, so if you're looking to expand your existing patch, just let your plants go to seed, and you'll be set.

Editor's Notes

During our sweet pea flower seed research, we found 115 sweet pea flower seed products and shortlisted 9 quality products. We collected and analyzed 9,213 customer reviews through our big data system to write the sweet pea flower seeds list. We found that most customers choose sweet pea flower seeds with an average price of £2.99.

The sweet pea flower seeds are available for purchase. We have researched hundreds of brands and picked the top brands of sweet pea flower seeds, including Mr Fothergills, Premier Seeds Direct, SUTTONS EST. 1806, Suttons Seeds, Thompson & Morgan.

Written by
Toby Butcher Avatar

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.