Square plant pot, various sizes

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Square Plant Pots - Space-Saving and Versatile

Square Plant Pot: Your Perfect Companion for Plant Cultivation

Square plant pots, also known as four-sided pots or 4-sided pots, provide the perfect solution for space-saving plant cultivation. Whether you’re working with hydroponics or traditional soil, these pots are versatile. In this article, you'll learn everything you need to know about our square plant pots, which not only save space but also offer optimal conditions for your plants.

Why Square Plant Pots?

Square plant pots are the first choice for plant cultivation under artificial light. The reason is simple: they allow you to place more plants under a lamp and efficiently utilize your space, for example, in a grow box.

Easy to Fill

These square plant pots can be filled with a variety of growing media, such as soil, expanded clay, perlite, or coconut fiber substrate (Coco). Thanks to their generously sized drainage holes at the bottom, they effectively prevent waterlogging. A practical tip: use 1-4 cm of expanded clay as a drainage layer to provide additional protection against waterlogging.

Square Plant Pots for Professionals and Hobby Gardeners

Not only professional gardeners swear by square plant pots, also known as container pots. Their great advantage is the space-saving design, making them perfect for cultivation in tight spaces. Our plant pots are made of food-safe PP plastic, are free of harmful substances, and are ideal for fruits, vegetables, herbs, flowers, palms, and more.

The Right Saucer for Your Plant Pot

Matching saucers are the perfect complement to our square plant pots. They not only catch excess water but also allow for bottom watering. However, this method should only be used once your plants have grown sufficiently and developed roots to absorb water. Alternatively, the saucer can also be used as a cover for the pot.

Environmentally Friendly and Durable

Our plastic pots are made from high-quality recycled materials and are 100% recyclable, contributing to a cleaner environment. They are also UV and frost-resistant, ensuring their durability and reusability.

Odor Note

Although our pots are usually odorless, a slight smell may occasionally occur due to transportation and storage. However, this will dissipate in the following days.

Discover the benefits of square plant pots and optimize your plant cultivation in an intelligent and sustainable way. If you have any questions, we are happy to help you choose the right plant pot.

Size Matters - Choosing the Right Plant Containers

Plants not only need sufficient light, water, and nutrients to develop optimally but also enough space. This is not a problem in garden beds where roots can spread freely, but in balcony boxes, plant pots, and indoor settings, it is. For optimal long-term growth, repotting is essential. We have some tips on how to choose the right plant containers for balconies, terraces, and more.

Regular Repotting is Important

Sooner or later, the roots in a pot reach their limit: the pot becomes root-bound, and it no longer provides enough space for the plant to grow optimally. Repotting helps increase the stability of the plants and prevents one-sided growth. It is especially important when repotting newly purchased plants, which are often in too small pots.

Repotting can be done year-round. However, the best time is at the start of the growing season between February and April. As a general rule, repotting should be done every one to three years, or more frequently for older plants.

The Right Size for a Plant Container

The new pot should not be too large. The new container should be about 2-3 cm larger than the previous one – or for older plants, about 5-6 cm larger in diameter. If the pot is too large, plants will direct their energy into root growth rather than flower and leaf growth. As a general rule, the pot should be about twice as wide and just as deep as the root ball, with the roots having a 5-10 cm gap from the pot’s edge.

Tall and Narrow or Shallow and Wide?

Tall-growing plants are best suited to tall, narrow pots, which provide good counterbalance and stability. Smaller and medium-sized plants also tend to thrive in tall, slender containers. In contrast, plants that grow wide should be potted in wider containers.

Not all plants have the same space requirements. For example, tomatoes need at least 10-20 liters of space per plant to spread out in the lower area and not just grow taller. Potatoes also need large containers or plant bags to form sufficient tubers in the root zone.

For ornamental plants, it’s similar: Oleanders, Ficus, or palms tend to grow wider rather than taller, and their roots need room to spread. Roses, on the other hand, thrive in narrow, taller containers, while Dieffenbachias or ornamental grasses are content in smaller containers.

Fertilization Also Depends on Pot Size

The less space a plant has in its pot or container, the more often fertilization is needed. After all, with less available space, the amount of soil decreases, which both provides fewer nutrients immediately after repotting and stores fewer nutrients for later artificial fertilization.

Growing Trees in Pots

Even trees can be cultivated in pots despite the confined conditions. Helpful factors include a less pronounced growth habit and good cutting compatibility. Additionally, there are now numerous dwarf varieties and special columnar trees that naturally require less space for their roots. As a guideline, the pot should be about twice the size of the root ball.

Tips for Repotting

Loosening the soil before potting helps break up clumps and compactness.
After repotting, water the soil thoroughly. A gap between the soil surface and the edge of the pot greatly helps with watering.
Before placing the plant in the pot, gently loosen the root ball with your fingers or a knife.
The root ball should be moist before placing it in the pot. Watering beforehand may be advisable.

Choosing the right plant container is crucial for the healthy growth and development of your plants. With these tips, you can ensure they feel at home in their new container and thrive beautifully.

Item information	Value
Pot type:	Square
Volume:	1L 2L 3L 5L 5,7L 7L 11L 14L 18L 25L 30L

Product safety information

Manufacturer information:

Gärtnereibedarf Kortmann GmbH
Olfener Str. 112
Nordrhein-Westfalen
Lüdinghausen, Deutschland, 59348
https://www.cultivalley.de

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Most helpful item review

1 from 1 person found this helpful.

Blumentöpfe
Schöne Töpfe,sehr stabil,besser als erwartet.Preis Leistung sehr gut.Lieferung sehr schnell.Werde meine Töpfe nur noch hier bestellen.

Marie-Elisabeth K , 02.06.2022 Voucher received

How do reviews work?

Entries 1 – 10 of 28

Sehr gutes Produkt
Schöne und stabile Pflanztöpfe. Schnelle Lieferung. Immer gerne wieder.

Peter G , 20.08.2025 Verified purchase Voucher received

Stabiler Topf
Guter Topf zu einem fairen Preis.
Kann man empfehlen.

Kevin S , 13.06.2023 Verified purchase

alles ok mit den Töpfen
die Töpfe sind klasse und der Preis auch ok.

Ingrid B , 05.06.2023 Verified purchase

Pflanztopf
Top hat alles super geklappt und die Lieferung ging richtig schnell.

Denny W , 20.06.2022 Verified purchase

Paul
Top Verkäufer 1A schnell und Kulant!!! Schnelle Lieferung und Ware war auch Gut .

Paul G , 24.05.2022 Verified purchase Voucher received

Pflanzen
Die Töpfe sind super und ich würde sie immer wieder nehmen...

Nadine W , 18.05.2022 Verified purchase Voucher received

Geniale Pflanztöpfe
Stabil für Balkon geeignet einfach supi 10 Sterne von mir und immer wieder gern !!!!! Hätte auch gerne ein Foto hinzugefügt.

Rita M , 18.05.2022 Verified purchase Voucher received

14 Liter Topf sieht anders als auf dem Bild aus, trotzdem schön
Auf den Bildern hat der 14 Liter Topf oben ein Muster. Das ist nicht so, er ist uni- so leicht uneben. Sieht aber trotzdem schön aus. Das Material wirkt nicht billig. Ich kann die Töpfe empfehlen.

Grit S , 16.05.2022 Verified purchase Voucher received

Super
Sehr platzsparend aufzustellen. Rochen beim Auspacken stark nach Plastik, das verflog sich draußen aber schnell.
Gutes Preis-Leistungsverhältnis.

Svenja P , 12.05.2022 Verified purchase Voucher received

Super
Sonntag Abend bestellt, Dienstag geliefert und seit Mittwoch mit Paprika und Peperoni bepflanzt. Stehen mit passenden Untersetzer im Wintergarten. Da die Toepfe super aussehen werde ich noch andere Grossen bestellen und vor dem Haus die gesammelten Werke umpflanzen. Und der Preis ist auch unschlagbar.

Roswitha H , 11.05.2022 Verified purchase Voucher received