Onion & Spring Onion Seeds

White Onion 'Avalon' Seeds (Allium cepa)

Grow crisp, flavorful onions with White Onion 'Avalon' (Allium cepa), a reliable variety known for its pure white bulbs and mild, sweet taste. 'Avalon' produces uniform onions with a firm texture, perfect for fresh eating, cooking, or storing. Hardy and versatile, it’s an excellent choice for gardeners seeking a dependable all-round onion crop.

How to Grow

• Sow seeds indoors in late winter or directly outdoors in early spring.

• Use fertile, well-drained soil in full sun.

• Sow 1 cm deep in rows 30 cm apart.

• Thin seedlings to 10 cm spacing for bulb development.

• Keep soil moist and weed-free for best results.

Key Features

• Produces uniform, pure white bulbs

• Mild, sweet onion flavor

• Suitable for fresh use, cooking, and short-term storage

• Hardy and reliable in most growing conditions

• Versatile for garden beds or allotments

Ideal For

• Fresh salads and garnishes

• Everyday cooking

• Short-term storage

• Gardeners seeking a mild, sweet onion variety

Sowing

• Best time: Late winter indoors or early spring outdoors

• Depth: 1 cm

• Spacing: 10 cm between plants, 30 cm between rows

• Prefers fertile, well-drained soil in full sun

Quick Tip

• Harvest when the tops begin to yellow and fall, then dry thoroughly before storing.

🧅 Allium fistulosum Red Welsh Onion – Hardy Bunching Onion with Mild, Sweet Red Stems

Red Welsh Onion is a robust bunching (non-bulbing) onion valued for its attractive reddish-purple stems, crisp texture, and mild, sweet onion flavour. Unlike bulb onions, it forms clumps of upright stems that can be harvested repeatedly over a long season. Exceptionally cold-hardy and reliable, this variety is perfect for salads, stir-fries, garnishes, and everyday kitchen use. Ideal for beds, raised beds, and containers.

Key Features

● Non-bulbing Welsh onion with red-purple stems

● Mild, sweet flavour ideal for fresh and cooked use

● Very hardy and overwinterable

● Cut-and-come-again harvesting

● Suitable for gardens, allotments and containers

How to Sow & Grow Red Welsh Onion (UK)

Direct outdoors: III–VII (March–July)

Harvest: V–XI (May–November); year-round in mild winters

Germination temperature: 10–20 °C (50–68 °F)

Average germ time: 10–21 days

Depth: 1 cm (½ in)

Light required: Yes

Moisture: Keep soil evenly moist

Environment: Full sun (tolerates light shade)

Soil type: Fertile, well-drained soil

Plant spacing: 2–3 cm (1 in) for bunching; thin as needed

Height: 40–60 cm (16–24 in)

Sowing & Growing Tips (variety-specific)

● Sow thinly and harvest gradually for continuous supply.

● Cut stems above soil level to allow regrowth.

● Clumps can be divided after establishment.

● Very resistant to cold compared with bulb onions.

● Excellent for perennial-style kitchen gardens.

Special Features

● Decorative red stems add colour to dishes

● Extremely hardy, reliable Welsh onion

● Long harvest season with minimal care

Red Long Onion 'Tropea Rossa Lunga' – Seeds (Allium cepa)

Grow the famous Italian 'Tropea Rossa Lunga' onion, known for its elongated shape, deep red skin, and sweet, mild flavor. Originating from Calabria, Italy, this heirloom variety is perfect for fresh salads, sandwiches, and cooking. Its tender, juicy bulbs are highly prized for culinary use and add a gourmet touch to home gardens and allotments.

How to Grow

. Sow indoors: February – March, 0.5–1 cm deep in seed trays or pots
. Sow outdoors: March – April in fertile, well-drained soil
. Transplant seedlings: April – May, spacing 10–15 cm apart in rows 30 cm apart
. Prefers full sun and regular watering
. Harvest: When tops yellow and start to fall over, typically late summer

Key Features

. Italian heirloom long red onion with sweet, mild flavor
. Elongated, deep red bulbs ideal for fresh eating
. High-yielding and reliable variety
. Perfect for salads, sandwiches, and cooking
. Traditional gourmet onion from Calabria

Ideal For

. Home gardens and allotments
. Fresh salads, sandwiches, and cooking
. Gardeners seeking heirloom and specialty onions
. Culinary enthusiasts and gourmet dishes

Sowing & Harvest

. Sow: February – April
. Harvest: July – September

Quick Tip

For the sweetest flavor, harvest when the tops have naturally fallen over and allow bulbs to cure in a dry, airy location before storage.

Red Onion 'Wenta' Seeds (Allium cepa)

Grow crisp, flavorful onions with Red Onion 'Wenta', a reliable variety that produces medium to large bulbs with a deep red-purple skin and firm, white flesh. Known for its mild yet distinct taste, this onion is excellent for salads, sandwiches, and everyday cooking. A great all-rounder that combines beauty, flavor, and storage ability.

How to Grow

• Sow seeds outdoors in spring or late summer.

• Choose fertile, well-drained soil in full sun.

• Sow 1 cm deep in rows 25–30 cm apart.

• Thin seedlings to 10–15 cm apart for full bulb development.

• Harvest when tops yellow and fall over, then cure for storage.

Key Features

• Attractive deep red-purple bulbs

• Crisp, mild yet flavorful taste

• Medium to large size, great uniformity

• Good storage quality

• Easy to grow and dependable

Ideal For

• Fresh salads and garnishes

• Sandwiches, roasting, and grilling

• Long-term kitchen storage

• Home and market gardens

Sowing

• Best time: Spring or late summer

• Depth: 1 cm

• Spacing: Thin to 10–15 cm, rows 25–30 cm apart

• Prefers fertile, sunny, well-drained soil

Quick Tip

• For sweeter onions, keep soil consistently moist during bulb formation.

Red Onion ‘Rossa di Toscana’ – 300 Seeds (Allium cepa)

Grow flavorful, vibrant onions with Red Onion ‘Rossa di Toscana’ (Allium cepa). This Italian heirloom variety produces medium-sized, deep red bulbs with a mild, sweet taste, perfect for fresh salads, cooking, and pickling. Easy to grow and highly productive, it’s ideal for kitchen gardens, raised beds, and allotments.

How to Grow

• Sow seeds indoors 8–10 weeks before the last frost or directly outdoors in early spring.

• Use fertile, well-drained soil in full sun.

• Sow seeds 0.5–1 cm deep and thin seedlings to 10–15 cm apart.

• Keep soil consistently moist for germination (10–14 days).

• Harvest bulbs when tops begin to yellow and fall over; cure in a dry, airy place before storage.

Key Features

• Medium-sized, deep red bulbs with mild, sweet flavor

• Heirloom Italian variety

• Ideal for fresh salads, cooking, and pickling

• Hardy, productive, and easy to grow

• Suitable for kitchen gardens, raised beds, and allotments

Ideal For

• Vegetable gardens, raised beds, and allotments

• Fresh salads, cooking, and pickling

• Succession sowing for continuous harvest

• Homegrown culinary use

Sowing

• Best time: 8–10 weeks before last frost indoors or early spring outdoors

• Depth: 0.5–1 cm

• Spacing: Thin to 10–15 cm apart

• Prefers full sun and fertile, well-drained soil

Quick Tip

• Sow in succession every 2–3 weeks to enjoy a continuous supply of sweet, vibrant red onions.

🧅 Allium cepa Onion ‘Paris Silverskin’ – Classic Small White Pickling Onion with Mild, Sweet Flavour

‘Paris Silverskin’ is a traditional, fast-maturing white onion variety grown especially for small, perfectly round pickling onions. The smooth, silver-white skins and mild, sweet flavour make it ideal for pickling, cocktails, salads, and garnishes. This reliable, early type produces uniform bulbs and is excellent for both kitchen gardens and commercial-style production. Also, suitable for growing as spring onions when harvested young.

Key Features

● Classic small white pickling onion

● Smooth, silvery-white skins and mild flavour

● Early and uniform bulbs

● Suitable for pickling or harvesting young as spring onions

● Reliable, productive variety for beds and containers

How to Sow & Grow Onion ‘Paris Silverskin’ (UK)

Direct outdoors: III–VII (March–July) in fine, well-prepared soil

Harvest: VII–IX (July–September) for small bulbs; earlier for spring onions

Germination temperature: 10–20 °C (50–68 °F)

Average germ time: 10–21 days

Depth: 1 cm (½ in)

Light required: Yes

Moisture: Keep soil consistently moist but not waterlogged

Environment: Full sun

Soil type: Fertile, well-drained soil; avoid fresh manure

Plant spacing: 2–5 cm (1–2 in) for pickling onions; 10 cm (4 in) for larger bulbs

Height: 30–40 cm (12–16 in)

Sowing & Growing Tips (variety-specific)

● Thin seedlings early for uniform bulb size.

● Keep beds weed-free — onions dislike competition.

● Water consistently during early growth, less once bulbs swell.

● Harvest when tops fall over and skins begin to dry.

● Excellent for succession sowing for continuous supply.

Special Features

● Perfect for traditional pickled onions

● Early, uniform and ideal for small-space gardens

● Can also be used as spring onions when harvested young

Onion Tosca – 80 Seeds (Allium cepa)

Description:
Grow flavorful, versatile onions with Onion Tosca (Allium cepa). This high-quality variety produces medium-sized, firm bulbs with a mild, slightly sweet taste. Ideal for salads, cooking, and pickling, Tosca onions are easy to grow from seed and suitable for kitchen gardens, raised beds, and allotments. Resistant to common diseases, they offer reliable harvests throughout the season.

Key Features

• Medium-sized, firm bulbs with mild, sweet flavor

• Suitable for salads, cooking, and pickling

• Disease-resistant and reliable variety

• Easy to grow from seed

• Ideal for home and small-scale gardens

Ideal For

• Kitchen gardens and raised beds

• Culinary use: raw, cooked, or pickled

• Allotments and small vegetable plots

• Home gardeners seeking reliable onions

Sowing & Growing

• Sow Indoors: February–March

• Transplant Outdoors: April–May, after frost

• Germination: 10–14 days at 15–20°C

• Spacing: 10–15 cm apart in rows 25–30 cm apart

• Height: 30–40 cm

• Light: Full sun

• Soil: Fertile, well-drained, rich in organic matter

Care Tips

• Water regularly but avoid waterlogging

• Thin seedlings to prevent overcrowding

• Fertilize lightly during growth

• Harvest when bulbs are firm and tops begin to yellow

Onion 'Signum' Seeds (Allium cepa)

Grow strong, reliable crops with Onion 'Signum', a versatile variety producing uniform, medium-sized bulbs with excellent storage qualities. Known for its firm texture and balanced flavor, this onion is a staple for every kitchen, perfect for cooking, salads, and long-term use through winter. A resilient and productive choice for gardeners.

How to Grow

• Sow indoors in early spring or directly outdoors when soil is workable.

• Prefers fertile, well-drained soil in full sun.

• Sow seeds thinly 1 cm deep in rows 25–30 cm apart.

• Thin seedlings to 10 cm spacing.

• Keep soil moist but not waterlogged.

Key Features

• Produces medium, round, uniform bulbs

• Firm texture with mild, balanced flavor

• Excellent for storage after harvest

• High yields with reliable performance

• Suitable for fresh use or winter storage

Ideal For

• Everyday kitchen use

• Long-term storage and winter supplies

• Fresh cooking, salads, soups, and stews

• Gardeners seeking a reliable, classic onion

Sowing

• Best time: Early spring to early summer

• Depth: 1 cm

• Row spacing: 25–30 cm

• Plant spacing: 10 cm after thinning

• Harvest: Mid to late summer

Quick Tip

• For the longest storage life, allow bulbs to dry thoroughly before storing in a cool, dark place.

Summer White Onion ‘Alibaba’ Seeds (Allium cepa)

Grow mild, crisp onions with Summer White Onion ‘Alibaba’ (Allium cepa). This early-maturing summer variety produces medium-sized, pearly white bulbs with a sweet, delicate flavor, perfect for fresh salads, cooking, and light pickling. Easy to grow and reliable, it’s ideal for kitchen gardens, raised beds, and allotments.

How to Grow

• Sow seeds indoors 8–10 weeks before the last frost or directly outdoors in early spring.

• Use fertile, well-drained soil in full sun.

• Sow seeds 0.5–1 cm deep and thin seedlings to 10–15 cm apart.

• Keep soil consistently moist for germination (10–14 days).

• Harvest bulbs when tops begin to yellow and fall over; cure in a dry, airy place before storage.

Key Features

• Medium-sized, pearly white bulbs with mild, sweet flavor

• Early-maturing summer variety

• Ideal for fresh salads, cooking, and light pickling

• Hardy, productive, and easy to grow

• Suitable for kitchen gardens, raised beds, and allotments

Ideal For

• Vegetable gardens, raised beds, and allotments

• Fresh salads, cooking, and pickling

• Succession sowing for continuous harvest

• Homegrown culinary use

Sowing

• Best time: 8–10 weeks before last frost indoors or early spring outdoors

• Depth: 0.5–1 cm

• Spacing: Thin to 10–15 cm apart

• Prefers full sun and fertile, well-drained soil

Quick Tip

• Sow in succession every 2–3 weeks to enjoy a steady supply of tender, mild white onions.