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Growing materials

Seed trays

Discover our collection of seed trays, essential for any gardener who wants to grow their own plants. Seed trays are perfect for efficient and organised sowing of vegetables, herbs and flowers. They provide the ideal environment for seedlings to germinate and grow, thanks to the controlled climate and easy drainage. Our seed trays are durable and reusable, meaning they can be used year after year. Also use our search function and filters to quickly find your favourite trays.

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Buy seed tray | mini greenhouse for seeds & cuttings – Pickers

Buy seed trays: get started perfectly with sowing and cuttings

Want to take your garden or indoor growing to the next level? Then buying a seed tray is a smart move. The best seed tray increases your chances of success and helps you get the most out of your growing experience. Such a tray supports young plants from day one. With the right seed tray, you create an ideal environment for germination, rooting, and growth. Seed trays are also ideal for sowing organic seeds, combining quality and convenience for an optimal start. Whether you want to grow seeds, cuttings, or microgreens, a good seed tray makes the process clear, efficient, and successful. A seed tray also protects young seedlings from pests like snails and birds, as well as extreme weather conditions like cold or too much sun.

What is a seed tray?

A seed tray is a platform with individual compartments or perforations where you place seeds in seeding soil. A seed tray often consists of multiple compartments that are sturdy and durable, allowing for reuse and the selection of environmentally friendly options. You can sow one compartment at a time, ensuring even germination. Seed trays can be divided into hard and soft varieties based on their material. Various sizes of seed trays are available, ranging from 3 cm to 9 cm in size.

Seed trays are specially designed to optimize the germination process and make growing young plants as efficient as possible. Many trays come with a transparent cover to retain heat and moisture, creating a mini greenhouse where your plants can germinate and grow protected.

Benefits of a good seed tray

  • Better start for seeds through focused soil and moisture balance
  • Easy control and management per compartment or tray
  • Ideal for organic growing without quality transfer
  • Reusable material guarantees sustainability; reusing seed trays reduces waste and contributes to an environmentally friendly garden
  • A hard seed tray lasts extra long and is ideal for reuse, making it a sustainable choice. Hard seed trays last much longer than soft seed trays. Trays made of sturdy plastic are more durable and last longer.

Advantages of small cells in a hard seed tray

Seed trays with small compartments are a real boon if you want to sow successfully and without hassle. These handy, compact spaces give each seedling its own space, allowing the roots to develop freely without tangling with their neighbors. Transplanting becomes a breeze, and you won't damage any roots – exactly what your plants need to grow healthily and strongly in your garden. Using sturdy trays prevents roots from tangling and promotes healthy development.

For small seeds, such as those of herbs, flowers, or delicate vegetables, these small cells are simply perfect. Your seeds stay neatly where they belong and get just the right amount of soil to germinate and grow. These compartments also offer plenty of space and stability for tomatoes, peppers, and other plants that like deep roots. This allows you to sow and grow both tiny and larger seeds with confidence. Trays with large cells are suitable for large seeds or fast-growing plants.

Another handy advantage is that the soil stays moist much more easily in small cells, which your seedlings will appreciate for their germination and growth. You have much more control over the moisture content in each cell, reducing the risk of dried-out or moldy seedlings. This ensures strong, healthy plants that are ready to enter the world as soon as they're big enough.

Small-cell seed trays can also be used for years, especially if you choose sturdy ones made from recycled materials. Combined with some good cutting soil and perhaps a mini greenhouse, you can create the perfect environment for your seedlings. Whether you want to grow flowers, vegetables, or herbs: with the right seed tray and a little love, you'll enjoy years of gardening pleasure and an abundance of healthy plants from your own garden.

Which users is it suitable for?

A seed tray is relevant for different groups:

  • Beginners who are just starting to sow and want clear instructions
  • Experienced gardeners who grow cuttings or microgreens
  • Those who save space or opt for systems in the windowsill
  • Parents and children gardening together as an educational project

Which type of seed tray is right for your project?

Depending on space and purpose, you can choose from different models: there are many different models of seed trays available to choose from.

  • Hard plastic seed tray 31x53 cm - 45 holes – ideal for sowing larger seeds such as zucchini, cucumber, melon, and pumpkin. Large-cell trays are ideal for large seeds like zucchini and pumpkin, as these plants need plenty of root space. You can use these trays to grow a variety of plants, from seed to plant. Transplanting a seedling from the tray to pots or the garden is easy, and using pots or containers is also a good alternative to trays, especially if the roots need more space. Some gardeners make a small block of soil instead of a tray, which can simplify the sowing process.
  • Hard plastic seed tray 31x53 cm - 77 holes – this is the all-around tray for medium-sized crops such as tomatoes, peppers, bell peppers, as well as beetroot and spinach seeds. You can also use these trays for growing roses or other unusual plants.
  • Hard plastic seed tray 31x53 cm - 104 holes – offers space for small seeds such as cabbage, arugula, lettuce, and many flower varieties. Each cell contains a plug: a combination of plant, soil, and roots. Plugs are easy to prick out and ensure that transplanting occurs without damaging the roots.
  • Hard plastic seed tray 31x53 cm - 150 holes – perfect for growing large quantities of plants from smaller seeds. You can make your own trays or components to optimize the sowing process.
  • For extra-large seeds or deep-rooting crops, we offer Deep Root Trays in 9 cm (peas and beans), 12 cm (leeks), and 15 cm (broad beans) depths . These trays are also very useful for planting cuttings. Supports are a handy accessory for watering and regulating humidity.

What are deep root trays?

For plants with a strongly developing root system—such as tomatoes, peppers, sunflowers, or trees— deep root trays are ideal. These deep seed trays give young plants the space they need to develop long, strong roots. This prevents root curl and transplant stress, and results in stronger plants from day one. Plukkers offers deep root trays in 9, 12, and 15 cm depths.

How do you optimally use a seed tray?

  1. Fill the holes with seed mix, pressing lightly so that they are firmly in place.
  2. Sow at the correct depth, according to the seed packaging.
  3. Once the seeds are sown, close the lid and check the moisture level; keep the top moist.
  4. Place the tray in a bright room at 20–25 °C.
  5. Open the hood daily to prevent mold once sprouts appear.
  6. Once true leaves are visible, transplant to a larger pot or into the garden.

Why buy seed trays from Plukkers?

Plukkers offers trays that have been tested for quality, durability, and ease of use. You'll receive clear instructions for germination temperature, humidity, and duration. Thanks to the use of materials free of harmful substances, you're guaranteed healthy starters. Furthermore, trays integrate seamlessly with other Plukkers growing systems, such as propagators, and we offer support for questions about sowing. Our sturdy seed trays can last up to 15 years.

Sustainable and reusable

A seed tray is an investment: wash it after use and reuse it. Plastic trays last for years. This way, you combine convenience with environmental responsibility.

In summary

Buying seed trays gives you control over your starting plants. Whether you're growing vegetables, flowers, or microgreens, a good tray supports germination, growth, and health. Choose the model that suits your space, method, and lifestyle. By sowing seeds indoors early in the season, the seedlings have a head start when transplanting outdoors, resulting in an earlier harvest. Start a tray today and enjoy healthy plants soon.

Read our full guide: Which trays, containers, pots, pots, bases and under-dishes

Seed trays in pictures

In this video on YouTube Tom shows how to sow in deep root trays. But you can also copy that for regular trays of course.

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