Alliums

Alliums span edible staples and umbels from Allium spp., with Allium Seeds thriving in full sun, well-drained soil; container-suitable, pollinator-friendly plants, sown indoors in late winter or after last frost.
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    Premium Organic Leek Seeds for Autumn HarvestDiscover the benefits of organic leek seeds with the Autumn Giants 2 variety, a late autumn leek known for its robust growth and excellent resistance. This variety of Allium...
  • Organic Leek De Carentan 2 Seeds Allium Porrum Autumn Variety Organic Leek De Carentan 2 Seeds Allium Porrum Autumn Variety
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    Organic Leek Seeds for Autumn Vegetable GardensDiscover the robust organic leek seeds of the De Carentan 2 variety, known for their exceptional winter-hardiness and late autumn planting suitability. These Allium porrum seeds thrive outdoors when...
  • Red Spring Onion Seeds Allium Fistulosum Spicy Flavor Variety Red Spring Onion Seeds Allium Fistulosum Spicy Flavor Variety
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  • Rijnsburger Onion Seeds Allium Cepa Large Round Yellow Storage Rijnsburger Onion Seeds Allium Cepa Large Round Yellow Storage
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    Premium Rijnsburger Onion Seeds for StorageDiscover the exceptional qualities of Rijnsburger onion seeds (Allium cepa), perfect for cultivating large yellow ball onions known for their excellent long-term storage capabilities. These yellow storage onions develop into...
  • Round White Onions Seeds Allium Cepa L. Sweet Aromatic Round White Onions Seeds Allium Cepa L. Sweet Aromatic
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    Sweet Round White Onions with Aromatic FlavorDiscover the delightful taste of round white onions from the variety Allium cepa L., known for their sweet and aromatic qualities. These Italian white onions develop a bright, round...
  • Shallot Bonilla F1 Allium Cepa Vegetable Seeds For Outdoor Sowing Shallot Bonilla F1 Allium Cepa Vegetable Seeds For Outdoor Sowing
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    Reliable Shallot Bonilla F1 Seeds for Outdoor SowingDiscover the versatility of Shallot Bonilla F1, a premium choice among Allium cepa varieties ideal for vegetable gardening enthusiasts. These shallot seeds belong to the onion family and...
  • Spring Onion White Lisbon Allium Cepa Seeds Mild Spicy Flavor Spring Onion White Lisbon Allium Cepa Seeds Mild Spicy Flavor
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    Discover Mild Spicy Flavor of Spring Onion White LisbonThe Spring Onion White Lisbon is a popular choice for fresh herb gardening and salad vegetables enthusiasts. Known botanically as Allium cepa, this spring onion variety features...
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    Premium Spring Onion White Lisbon Seeds for GardensDiscover the vibrant flavor of spring onion white lisbon seeds, a prized choice for any vegetable garden. This mild spring onion variety, known botanically as Allium cepa, offers...
  • Sprouting Leek Seeds Allium Porrum Fresh Flavor Vegetables
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    Fresh Organic Sprouting Leek Seeds for VegetablesDiscover the vibrant taste of organic sprouting leek seeds, ideal for enhancing your garden with a nutritious sprouting vegetable. Allium porrum produces tender sprouts with a distinct fresh leek...
  • Summer Leek Seeds Swiss Giants Allium Porrum Early Harvest Summer Leek Seeds Swiss Giants Allium Porrum Early Harvest
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    Premium Summer Leek Seeds for Early HarvestDiscover the exceptional summer leek seeds of the Swiss Giants leek variety, known for their robust growth and early summer harvest. These Allium porrum seeds produce medium-heavy, attractive white...
  • Swiss Giants Leek Seeds Allium Porrum Vegetable Variety Swiss Giants Leek Seeds Allium Porrum Vegetable Variety
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    Swiss Giants Leek Seeds for Vegetable GardeningDiscover the benefits of Swiss Giants leek seeds, a premium choice for vegetable gardening seeds that promise a bountiful early summer harvest. This variety, known botanically as Allium porrum,...
  • Tropea Onion Seeds Allium Cepa L Sweet Red Vegetable Seeds
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    Discover Sweet Tropea Onion Seeds for CookingTropea onion seeds offer a unique chance to cultivate the renowned Italian onion variety prized for its sweet red onion flavor and elongated onion shape. Originating from Tropea, Calabria,...
  • Winter Giants Leek Seeds Allium Porrum Vegetable Variety Winter Giants Leek Seeds Allium Porrum Vegetable Variety
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    Winter Giants Leek Seeds for Outdoor PlantingDiscover the versatility of Winter Giants leek seeds, an exceptional variety of Allium porrum tailored for early winter leek cultivation. This hardy leek variety thrives when sown outdoors from...
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    Robust Winter Giants Leek Seeds for Outdoor CultivationDiscover the exceptional qualities of Winter Giants leek seeds, an ideal choice for vegetable gardeners seeking a hardy leek variety perfect for autumn leek planting. This variety, Allium...
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Onion family staples for the kitchen garden

From crisp salad onions to robust storage bulbs, this collection of Allium Seeds gathers essential members of the onion tribe for versatile harvests. Representing Allium spp., it spans onion seeds, leek seeds, chive seeds, garlic chive seeds, shallot seeds, bunching onion types, spring onions and scallions, plus the reliable welsh onion. These culinary allium seeds underpin countless savoury dishes, while the tufted, nectar-rich blooms of chives and garlic chives offer a subtle flowering display that supports pollinating insects and heightens garden biodiversity. Whether edging herb beds or filling kitchen borders, Allium genus seeds supply fresh greens for quick snips as well as bulbs for curing and storage. Thoughtfully curated Onion family seeds balance mild salad onions with fuller-flavoured types for layered cooking, all within a focused range of Allium Seeds adapted to home plots and compact spaces.

Successful results begin with light, fertile conditions: full sun and well-drained soil with steady moisture suit this group, with a neutral to slightly alkaline profile preferred. For timing, within Allium Seeds, start indoors in late winter in a gentle seed starting mix, then transplant after hardening off seedlings; direct sowing after the last frost also fits many types, and in mild climates, autumn sowing may favour overwintering onions. Many selections within Allium Seeds perform well in containers—especially chives, garlic chives, and compact bunching onions—bringing productive greenery to terraces as part of full sun vegetables. Day-length onions and salad onions can be staged for harvest across seasons, while cut-and-come-again chives supply frequent sprigs. With steady soil fertility for alliums and consistent care, transplanting alliums remains straightforward for both borders and pots.

Focused selection across Allium Seeds also considers garden resilience, with choices noted for downy mildew resistance and steady performance against premature bolting. Companion planting for onions can further support healthy growth and reduce pressure from onion thrips. As edible staples with occasional ornamental value, these onion and leek seeds bridge kitchen utility with tidy structure, providing leafy freshness and bulb harvests while the flowering display of chives quietly animates beds and containers.

Allium spp. (onion family)

It provides links to the broader vegetable collection and closely related categories within the onion family and beyond, including chives, leeks, root crops, and leafy greens. This helps with comparing options and planning rotations across compatible vegetable groups for different beds and sowing windows.

Allium spp. (onion family)

From onion seeds and shallot seeds to leek seeds, chive seeds, garlic chive seeds and bunching onion types (spring onions/scallions, Welsh onion), Allium crops thrive in full sun and fertile, well-drained soil kept evenly moist. Aim for neutral to slightly alkaline conditions. Start indoors in late winter in a fine seed starting mix, then direct sow in spring after the last frost; in mild climates, autumn sowing may suit overwintering types. Harden off seedlings before transplanting alliums, setting them shallowly and firming for good root contact. Choose cultivars matched to local day length for bulbing/storage onions, and maintain steady growth to reduce bolting. Space for airflow to limit downy mildew, and mulch lightly to conserve moisture.

  • Prioritise soil fertility for alliums: incorporate mature compost; moderate nitrogen with good potassium supports firm bulbs and steady growth.
  • Practice 3–4 year rotation; favour downy mildew resistance; monitor onion thrips—fine mesh or reflective mulch can help. Companion planting for onions can diversify the bed; effects vary.
  • Container-friendly: bunching onions and chives perform in 15–20 cm deep, free-draining pots with consistent moisture and light feeding.
  • Allow some chives or garlic chives to flower; globe blooms attract pollinators and beneficial insects.
  • Edible leaves, stems and bulbs; harvest spring onions at pencil width, and enjoy cut-and-come-again chives.
  • Many alliums offer ornamental umbels; leaving a few seed heads adds structure without compromising the main crop.

How do you grow Allium seeds successfully from sowing to transplanting?

Sow Allium seeds (onion, leek, chive, shallot, bunching/Welsh onion) thinly on a moist, fine seed-starting mix and cover very lightly—these seeds prefer a shallow sow. Provide bright light and good airflow, keeping the medium evenly moist but never waterlogged. Full sun supports sturdy growth. Once seedlings show true leaves, a gentle, balanced feed can help. Harden off gradually before moving to fertile, well‑drained soil that holds consistent moisture; a neutral to slightly alkaline pH suits the onion family. Transplant with care to minimize root disturbance, and keep beds weed‑free so young Alliums are not outcompeted.

When should I start onion seeds indoors, and when can I sow outside?

Start onion seeds indoors in late winter so seedlings are ready to go out after the last frost. Direct sowing can begin in spring once soils have warmed and frost risk has passed. In mild climates, autumn sowing may be possible for overwintering types, including some leeks and day‑length‑appropriate storage or salad onions. For scallions/bunching onions, staggered sowings through the growing season can give a steady harvest. Whatever the schedule, provide full sun and steady moisture for even growth, and match varieties to your local daylight pattern so bulbs or stems mature as intended.

What spacing works for onions, leeks, and chives grown from seed?

Spacing depends on the crop and your harvest goals. Bulb onions benefit from moderate room so bulbs can swell; leeks generally need more space than onions to thicken properly; chives and garlic chives form clumps that can be grown closer together or in small clusters. Bunching/spring onions tolerate tighter spacing for slender stems. If uncertain, thin gradually to improve airflow and light penetration, which can help limit issues such as downy mildew and reduce habitat for onion thrips. In richer soils, plants often fill space faster, so slightly wider gaps can maintain good plant health.

Why do onions bolt from seed, and how can I reduce the risk?

Bolting (premature flowering) is usually triggered by a combination of factors: exposure to prolonged cold after germination (vernalization), a day‑length mismatch for the variety, or stress such as drought, heat spikes, or root disturbance. To lower the risk, sow at the recommended time, harden off gently, and transplant without damaging roots. Keep moisture consistent and fertility balanced—rapid swings in growth can encourage flowering. Choose bolt‑tolerant or appropriate day‑length types for your conditions, and avoid starting so early that seedlings experience an extended chilly period before settling into warmer growth.

Are chive seeds suitable for containers, and what do they need to thrive?

Chive and garlic chive seeds are well suited to containers. Use a broad, well‑drained pot with quality mix, place in full sun, and keep moisture steady—never soggy. A fertile medium supports leafy, cut‑and‑come‑again growth; occasional light feeding helps sustained harvests. Sow thinly and allow clumps to establish, then trim leaves regularly to encourage fresh shoots. Bunching onions can also perform in pots, though they typically prefer slightly more depth than chives. Good airflow and prompt removal of spent foliage keep container plantings tidy and productive.

Do Allium flowers benefit pollinators, and can I let some plants bloom?

Yes—many Allium flowers, including chives, garlic chives, bunching/Welsh onions, and ornamental relatives, offer accessible nectar and pollen that attract bees and other beneficial insects. Allowing a portion of your planting to bloom can support pollinators while still providing edible harvests from the rest. Flower heads also add ornamental value. If self‑seeding is a concern, remove spent blooms before seeds drop; chives, for example, may lightly self‑seed if left unchecked. Maintain plant vigor with full sun, consistent moisture, and fertile, well‑drained soil so flowering does not overly stress the patch.

Products are sourced from vetted growers and seed houses, with lot-level traceability and quality checks for germination, purity, and varietal identity. Shipments and packaging meet applicable phytosanitary and label requirements, and suppliers certify compliance with relevant standards. Guidance provided is general and may vary with local conditions including microclimate, soil, hardiness zone, and hemisphere; product pages carry specific instructions. Availability, specifications, and regulatory classifications may be updated as supplier documentation evolves.

Onion family staples for the kitchen garden

Allium Seeds offer a versatile route to kitchen staples including onions, leeks, bunching onions, shallots, and chives. Sow indoors 8–10 weeks before the last frost for bulbing onions and leeks, or direct sow once soil is workable and draining freely; in mild climates, autumn sowing may be possible for overwintered transplants. Provide full sun and fertile, well-drained soil with steady moisture; avoid fresh manure and prolonged dryness, which can split bulbs or trigger premature bolting. Space seedlings to allow bulb expansion, keeping bunching types closer for slender stems. Mulch to conserve moisture and suppress weeds, and cultivate shallowly to protect fine roots. Bulbing onions are mature when tops yellow and fall; cure in a dry, airy place before storage. Leeks are ready when shanks are thick and firm, while chives and garlic chives can be cut repeatedly from established clumps. Day length influences bulbing, so select varieties aligned with local light conditions. Vegetables Seeds