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When is the best time to buy a greenhouse?

Do you dream of growing your own vegetables, herbs, or flowers in a greenhouse? Then sooner or later you will ask yourself: when is the right time to buy and install a greenhouse? The short answer: timing really makes the difference. With the right planning, you will not only enjoy your greenhouse sooner, but you will also get the maximum return from it immediately.

The best period to buy a greenhouse

Would you like to start growing without delay? Then it is best to aim for the period from late January through March.

Why then exactly?

  • Your greenhouse will be ready perfectly in time for spring — the ultimate moment when the growing season gets underway.
  • You can start sowing and planting immediately.
  • Many manufacturers offer attractive winter promotions or early bird discounts during this period.

In other words: you combine a practical advantage with a financial benefit.

Think ahead: delivery times make the difference

You do not buy a greenhouse overnight — especially not if you opt for a custom-made model.

By anticipating this wisely, you avoid having your greenhouse installed only after spring has already passed. And that would be a pity, as those first few months are invaluable to every hobby gardener.

Tip: plan your purchase several months before you actually want to start growing.

Is summer a good time?

At first glance, summer seems attractive, but in practice, it is less ideal for installing a greenhouse.

  • The temperature in a greenhouse can rise quickly
  • It becomes less pleasant to furnish or assemble your greenhouse
  • You miss the start of the most important growing season

That does not mean it is impossible — it is simply less efficient.

And what about the autumn?

Autumn is a quieter time for gardening, and this is also reflected in the use of a greenhouse.

  • There are fewer crops that you can still start
  • You will not immediately get the full potential out of it

But… autumn also has a surprising advantage

Smart move: buy in autumn, install in spring

Do you want to do it really well? Then this is a strategy that is becoming increasingly popular:

Buy your greenhouse in autumn and schedule the installation for February or March.

Why this is smart:

  • You avoid longer delivery times during busy periods
  • You have plenty of time to make choices without rushing
  • Your greenhouse will be perfectly ready at the start of the growing season

A little forward thinking provides a head start of months here.

Conclusion: timing = success

Buying a greenhouse is more than a practical decision — it is an investment in how and when you want to garden.

The golden rule?
Ensure your greenhouse is ready before spring begins.

Whether you choose a quick installation in February or a well-considered preparation in autumn: with the right timing, you will enjoy your greenhouse longer, more, and better.

Frequently Asked Questions

You benefit from the following warranty periods:

  • 10 years on the quality and alloy of the aluminium
  • 10 years on the paint finish (powder coating) in case of delamination, peeling, flaking, corrosion, chalking, discolouration and loss of gloss where the pre-defined tolerances are exceeded, in accordance with the Qualicoat or Qualinod specifications
  • 10 years on the adhesion and tension of the glazing rubbers
  • 10 years on production defects in the glass
  • 5 years on PVC components and their UV resistance

The following damage is not covered by the warranty:

  • Damage caused by failure to follow the installation and operating instructions
  • Damage resulting from use other than the intended normal use
  • Damage due to lack of maintenance
  • Normal wear and tear
  • Materials and items used at the customer’s specific request
  • Structures not part of the Janssens range but manufactured at the express request of the customer or distributor

Our greenhouses are intended for growing vegetables, fruit, flowers, etc. The following characteristics are inherent and vary depending on the situation, environment and use:

  • Condensation on glass or profiles
  • Draughts at doors, windows or gaps
  • Roof windows, roof connections and gutters are not 100% watertight
  • No waterproof barrier beneath the foundation frame

Regulations regarding the installation of greenhouses and outbuildings vary by region. Always check with your local planning authority before purchasing a greenhouse.

Do you have any questions?

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Webmaster Janssens

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