Our final Bulb sale of the season will take place on: Wednesday 26th November 2026 at 10.00am. All bulbs to be sold without reserve.
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Seed Potatoes and Onion Sets

Supplying the horticultural industry with trusted produce and professional service.

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Trusted by growers and the horticultural trade across the UK

The Spalding Horticultural Centre supplies seed potatoes and onion sets to growers, landscapers, and garden retailers across the UK. With a long-established reputation within the horticultural industry, we provide reliable produce and support to trade customers throughout the planting season. Our focus is on quality, consistency, and service - helping businesses source dependable stock year after year.

With a long-established reputation within the horticultural industry, we provide reliable produce and support to trade customers throughout the planting season. Our focus is on quality, consistency, and service - helping businesses source dependable stock year after year.

Burlap sacks labeled 'Caithness Potatoes Scottish Basic Seed 25 Kilos Nett' stacked with a sign showing potatoes variety information.
Auction

Our Product Range

Supplying quality seed potatoes and onion sets through the Spalding Horticultural Centre.

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Potatoes

Seed Potatoes

The Spalding Horticultural Centre supplies first early, second early, and maincrop seed potatoes in bulk bags, 25kg sacks, and pre-packs. Sourced from established suppliers and trusted across the UK trade, we provide reliable stock and consistent service for growers, landscapers, and garden retailers.

Pile of yellow onions on the left side and red onions on the right side.

Onion Sets

We supply high-quality onion sets for the trade, sourced from trusted growers to ensure dependable performance. Available to garden centres, landscapers, and commercial growers nationwide, our onion sets form an important part of our seasonal product offering.

Large pile of pink shallots with some papery skins visible.

Shallots

We offer a reliable supply of shallots, providing trade buyers with a quality planting option that complements onion sets and seed potatoes. Sourced from reputable suppliers, our shallots are well suited to both retail and production environments.

Close-up of many whole garlic bulbs with dry roots clustered together.

Garlic

Our seasonal garlic bulbs provide an additional planting option for growers and garden retailers. Selected for their quality and suitability for UK growing conditions, they form a natural extension of our onion and shallot range.

Why Spalding?

Why Choose Spalding Horticultural Centre

Why Trade Buyers Choose Spalding Horticultural Centre for their seed potatoes and onion sets

Row of clear glass jars filled with colorful mixed flowers including sunflowers, cosmos, zinnias, and snapdragons on a dark surface.

Established Reputation

Part of the long-standing Spalding horticultural and auction hub, trusted by growers and the wider trade for decades.

Indoor garden center with multiple metal racks filled with potted plants and flowers organized by type.

Quality Produce

All stock is sourced from reputable suppliers to ensure reliability and consistency.

Trade Expertise

Our team understands the needs of professional growers, landscapers, and garden retailers.

Comprehensive Service

From auctions to wholesale horticultural supplies, everything is available in one central location.

The Spalding Advantage

Spalding Horticultural Centre

Our Seed Potato and Onion Set Department is part of the wider Spalding Horticultural Centre, home to horticultural supplies, auctions, and florist sundries.

This means you can source everything you need in one place - from bulbs and compost to tools and packaging - supported by decades of horticultural expertise and trusted service.

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Logo with 'Horticultural Supplies' in white.
Florist Supplies logo
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Aerial view of a large industrial warehouse with Spalding Auction sign, solar panels on the roof, and numerous parked vehicles around.
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Resources

Price Lists

Download our latest pricing and prepack information for trade

Onion Sets Price List

How to Buy

Ordering & Delivery Information

Visit us in person or contact us to arrange collection or delivery.

Please note: it is not necessary for you to attend an auction to purchase seed potatoes or onion sets. All purchases are on a cash and carry type basis between Monday and Friday 7.30 am to 4.00 pm.

In most cases, Bulbs are to be collected … but at the Buyer’s request the Agent can arrange delivery of Bulbs by courier, which shall be at the Buyer’s cost and risk.

Opening Times

Monday
7:30am - 4:00pm
Tuesday
7:30am - 4:00pm
Wednesday
7:30am - 4:00pm
Thursday
7:30am - 4:00pm
Friday
7:30am - 4:00pm

Visit us in Person

Spalding Auction,
Enterprise Way,
Pinchbeck, Spalding,
Lincolnshire, PE11 3YR
Delivery Information

Delivery or Collection

We offer a delivery/collection service for all items purchased or sold within the Auction. To obtain a quote for this service please telephone, email or speak to one of our members of staff.

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BULBS
Bulbs can be collected or the customer or they can arrange collection by courier, which shall be at the buyer’s cost and risk.