Growing Exhibition Onions

with John Soulsby

Ready to Grow Something Great?

Growing show-quality onions isn’t just gardening; it’s a craft. With the right guidance, you can learn the techniques that separate good growers from great ones. This course, taught by renowned grower John Soulsby, takes you step by step through the full onion cycle: from saving seed and selecting pips, right through to planting out and preparing for the show bench.

John is recognised as one of the UK’s leading exhibition growers. Known for his record-breaking onions and consistent success on the show bench, he has developed a proven system that produces uniform, high-quality results year after year, and now he’s sharing it with you. If you’ve ever wondered how top growers achieve onions that are uniform in shape, strong in growth, and clean enough for competition, the answer is in their methods.

If you’ve ever wondered how top growers get onions uniform in shape, strong in growth, and clean enough for competition, the answer is in their methods.

In this course, you’ll:

  • Learn seed-saving and pip techniques for reliable stock.

  • Master the potting and lighting methods that push plants on without forcing them.

  • Understand how to keep foliage clean and prevent rot or disease.

  • See exactly when and how to plant out for size and quality.

  • Discover how to prepare onions for consistent show results.

Whether you’re aiming for your local village show, building up stock for the future, or just want the satisfaction of growing cracking onions at home, this course gives you the tools and confidence to succeed.

Why This Course?

What You’ll Learn

  • Seed, Pip & Bulb Prep:

    Collect and store stock safely for next season.

  • Setting & Rooting:

    Use compost and light to establish strong plants early.

  • Seedling Care & Potting Up:

    Step through pot sizes with clean technique and steady growth.

  • Planting Out & Final Prep:

    Move plants into their final beds or pots with confidence, keeping them clean and disease-free.

Who Is This Course For?

What You’ll Need

To follow along, you’ll want:

  • Shallow trays or 3-litre pots

  • Fine seed compost & potting compost

  • Grow lights (optional but useful in winter)

  • Labels for tracking seed lines

  • A small watering can with a fine rose

  • Bleach solution for bulb cleaning

That’s it, simple tools, big results.

  • Growers who want to step up from kitchen gardening to show-quality results.

  • Exhibition competitors looking for more consistency on the bench.

  • Anyone keen to learn tried-and-tested methods from a grower with decades of experience.

You don’t need to be an expert to begin. Every lesson is clear, practical, and explained as if John were showing you in his own greenhouse.

Meet Your Instructor

John Soulsby has built a reputation as one of the UK’s most respected exhibition growers. From record-breaking wins to mentoring countless growers, his practical and no-nonsense methods are trusted by competitors and hobbyists alike.

Through this course, John shares the techniques he has refined over decades, so you can grow with clarity, consistency, and confidence.

Join Now

Join Now

Onion Growing Course
£60.00
One time


✓ Unlimited lifetime access

Choose your course 

Onion Growing Course
£60.00
One time

Course Bundle: Leek Growing Course + Onion Growing Course
£100.00
One time

Get anytime access to our growing collection of classes.


✓ Unlimited lifetime access
Leek Growing Course
£60.00
One time

Frequently asked questions