Best Allium Plant Bulbs of 2026
* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Allium plant bulbs are a type of decorative plant bulb that can be planted in gardens or pots to add colour and texture to any outdoor or indoor space. These bulbs come in various sizes and colours, ranging from small white bulbs to large purple ones. Allium bulbs are easy to plant and care for, making them a great choice for both novice and experienced gardeners. They also attract pollinators such as bees and butterflies, making them a great addition to any eco-friendly garden.
At a Glance: Our Top Picks
#TOP 1
9.9
#TOP 2
9.8
#TOP 3
9.6
Top 8 Allium Plant Bulbs
GreenBrokers 17 Allium Purple Sensation Bulbs
The GreenBrokers Allium Bulbs pack offers 17 premium Dutch flower bulbs, ensuring your garden bursts with beautiful purple flowers every spring. These bee-friendly bulbs come in an eco-friendly paper bag, making them a thoughtful gift. You will find detailed planting and care instructions on a large picture card included in the pack. Each bulb is separately packed and labelled for easy identification, helping you cultivate your garden with confidence.
Allium Purple Sensation Flower Bulbs for Gardens
The Humphreys Garden Allium Bulbs are a delightful addition to your garden, blooming beautifully in spring and summer. With their stunning purple colour, they will create a vibrant display in your outdoor space. Growing up to 100 cm in height, these bulbs will add vertical interest to your flower arrangements. They come in a bulb size of 10/12, ensuring strong and healthy plants that are easy to grow, making them perfect for both novice and experienced gardeners alike.
SEEDS ZONE Allium Red Giant Flower Bulbs 6 Pack
The SEEDS ZONE Allium Bulbs are easy to grow both outdoors and in greenhouses, making them ideal for gardeners seeking low-maintenance plants. Their large flower heads, up to 12 cm across, are adorned with numerous lilac-violet flowers, adding a splash of colour to your garden. These bulbs also make beautiful cut flowers, perfect for brightening indoor spaces. You can plant them alongside perennials like lavender or late-blooming bulbs such as Camassia, creating attractive combinations that naturally multiply over time.
20 Pack Allium Neapolitanum Spring Bulbs
The Oliwier's Bulbs Allium Bulbs offer a delightful pack of 20 beautiful white ornamental onions that are perfect for naturalisation in your garden. These flowers are excellent for cutting, as their sweet scent adds charm to any arrangement. By attracting pollinators like bees and butterflies, you will enhance your garden's ecosystem. They grow compactly and are ideal for border planting, while also being resistant to rodents and deer, ensuring your garden remains vibrant and flourishing.
GROWTANICAL Allium Purple Sensation and White Nigrum Bulbs
The GROWTANICAL Allium Mix features stunning Allium Nigrum bulbs that produce compact, dainty white flower heads, alongside the vivid, fist-sized purple blooms of Purple Sensation. These bulbs grow to a height of 70-80 cm, blooming beautifully in late spring or early summer, adding vibrant colour and structure to your garden. Perfect for beds, borders, and pots, they are easy to grow and attract pollinators, which benefits your garden’s ecosystem. Plus, they make excellent cut flowers, allowing you to bring their charm indoors with ease.
GROWTANICAL Allium Purple Sensation & White Nigrum Bulbs
The GROWTANICAL Allium Mix features two stunning varieties: Purple Sensation with vivid, fist-sized purple flower heads, and White Nigrum which produces large, compact heads of delicate white petals. Growing between 70 and 80 cm, these bulbs flower from late spring to early summer, adding vibrant colour to your garden. Ideal for beds, borders, and pots, they are easy to grow and attract pollinators, helping you support local wildlife while enjoying beautiful blooms. Plus, they make excellent cut flowers for decorating your home.
GROWTANICAL Allium Purple Sensation Spring Bulbs x50
The GROWTANICAL Purple Sensation Bulbs are dormant bulbs meant for planting in autumn, allowing you to enjoy vibrant spring flowers. They produce vivid, fist-sized purple flower heads on tall 80 cm stems during May and June, adding striking colour to your garden. These flowers attract pollinators, which is beneficial for your garden’s ecosystem and helps support local wildlife. Additionally, they make excellent cut flowers, so you can bring their beauty indoors with ease. Each order is hand packed with clear planting and care instructions, making it straightforward for you to grow these stunning blooms successfully.
Garthwaite Nurseries Allium Sphaerocephalon Bulbs
The Garthwaite Allium Bulbs are a delightful addition to any garden. These hardy summer perennials feature striking purple and lilac blooms, adding vibrant colour and fragrance to your outdoor space. With a height of 60 cm, they create an impressive display that is sure to catch the eye. You will receive 100 bulbs in this pack, allowing you to plant a generous area and enjoy a stunning floral display each July. Being UK stockists, you can trust that your bulbs will arrive promptly.
Frequently Asked Questions (FAQs)
1. What month do you plant Allium bulbs?
To grow these eye-catching blooms for the late Spring/early Summer garden, Allium bulbs should be planted in early Autumn (September-October). Alliums thrive in sheltered areas that receive full sun.
2. How late can you plant Allium bulbs?
Allium bulbs should not be transplanted in the spring. Wait until late summer, when the foliage starts to yellow, so that the plant is going into dormancy and is not focussed on new growth.
3. Can I plant my Allium bulbs now?
Planting Allium Bulbs: When To Plant Them They should be planted in fall between September and November, before the soil freezes.
During our allium plant bulb research, we found 100+ allium plant bulb products and shortlisted 8 quality products. We collected and analyzed 14,695 customer reviews through our big data system to write the allium plant bulbs list. We found that most customers choose allium plant bulbs with an average price of £14.70.
The allium plant bulbs are available for purchase. We have researched hundreds of brands and picked the top brands of allium plant bulbs, including GreenBrokers, Humphreys Garden, SEEDS ZONE, Oliwier's Bulbs, GROWTANICAL.
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.