Grow seedlings: From the GreenBox to the garden

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With the gardening season comes the time for barbecues, sitting outside and homemade salads - and what better way than to harvest the vegetables yourself? With the Berlin GreenBox and our vegetable seedlings, it's a breeze to turn your windowsill or balcony into a true vegetable paradise.

"Strong and healthy seedlings at last".

The GreenBox is the perfect incubator for your vegetables. In our indoor greenhouse, your cuttings and seedlings grow in ideal conditions, with plenty of light, water and care all by themselves. So you don't have to worry about the right temperatures or enough sunlight - the GreenBox does the work for you. Via the app you can regularly check your water level and the current growth phase of your seedlings. It really couldn't be easier.

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You need to know

What is meant by seedlings anyway?

Seedlings are young plants that you grow as a pre-culture in growing soil before they go into a bed or larger growing pots. This gives them a head start on growth and protects the seedlings from frost in the cold frame. In Germany, most cuttings can only be planted outside in May, as they do not get enough light before then and it is still much too cold for them. Especially nightshade plants like tomatoes do not ripen as direct seed.

Why grow seedlings?

Seedlings are great if you want to grow different vegetables in the spring. Generally, you backtrack from the date you want to plant them - that's how you find out when the seeds should germinate. Don't worry, the information on the best conditions can always be found on the seed packets. With the Berlin GreenBox, growing and propagating your vegetable plants is particularly straightforward. Even hobby gardeners without a green thumb can't go wrong here!

Common problems with seedling growth

In Germany, it is too cold and dark before early summer to sow vegetable seeds directly in the ground. That's why most vegetables need to be grown in advance to give them a head start on growth. Growing vegetables in advance on a windowsill is also ideal for small apartments in cities - so you can enjoy fresh, home-grown vegetables even without a garden. The GreenBox also takes a lot of work off your hands: the seedlings can remain in the GreenBox until the roots have completely penetrated the PlantPlug and do not have to be pricked, i.e. separated.

Controlled environment for optimal plant growth

We want to make juicy greens and delicious vegetables possible for every household: That's why we've come up with an unbeatable concept that truly allows everyone to succeed with growing. Our GreenBox is made of stylish birch wood and is an eye-catcher in every home. Thanks to the built-in plant lamp and the smart water tank including water level sensor, your little plants grow virtually by themselves - and you can watch!

The advantages of your Berlin GreenBox for growing seedlings

The GreenBox is the perfect incubator for your vegetables. In our indoor greenhouse, your cuttings and seedlings grow in ideal conditions, with plenty of light, water and care all by themselves. So you don't have to worry about the right temperatures or enough sunlight - the GreenBox does the work for you. Via the app you can regularly check your water level and the current growth phase of your seedlings. It really couldn't be easier.

Setup of the Berlin GreenBox

Setup of the Berlin GreenBox

The setup of the Berlin GreenBox is done in no time at all. Our plug-and-play system makes your indoor greenhouse a breeze - simply insert the 8 substrate cones into the designated slots and distribute your chosen seeds on them according to the instructions on the package. Fill up the water tank, download the app and connect it to the GreenBox so you're always up to date. You're ready to watch your young vegetables grow.

With the GreenBox free choice: tomato seedlings or rather cucumbers?

The GreenBox has space for 8 PlantPlugs made of coconut fiber - you simply put the seeds into the substrate cones, distribute them in the slots of the GreenBox and fill up the water tank. With our ready-made seed sets we make sure that the plants grow under similar conditions and fit well together. Of course you can also choose from our seed assortment your own small garden from our seed assortment.

Choosing the right seeds for the indoor garden

Your indoor garden should do one thing above all: please you. Do you like to eat tomatoes for your life or spice with chilies? Or are you more of a salad fan and love cucumbers? Choose your seeds individually or select one of our sets and bring nature into your home. With the Berlin GreenBox you can grow your own seedlings and enjoy the anticipation of fresh, organic vegetables. Depending on the type of vegetable plant, the time for pre-growing varies. Generally, however, you can start pre-germination in spring, i.e. mid to late March.

Sowing the seeds

Sowing the seeds and promoting germination

Unlike seedlings from the hardware store, with sowing vegetables you have everything in your own hands from the beginning. You can be sure that the seedlings have no diseases or pests and in the end you hold the fruits (or vegetables) of your own labor in your hands. With our GreenBox you are guaranteed unbeatable results in a very short time, because quality is important to us in all areas.

The integrated plant lamp provides the seedlings with the optimal amount of light every day. Thanks to the water tank, they always get exactly the right amount of water and the app lets you know at any time which phase the seedlings are currently in. Whether it's bell pepper seedlings, chili seedlings, lettuce seedlings or tomato seedlings: with the GreenBox you're guaranteed to grow your favorite vegetables with ease.

Care seedlings

How to properly care for your seedlings in the GreenBox

With the PlantPlugs in the plugs, you can start distributing the seeds to the substrate cones. Exactly how many seeds you should use per plug is written on our seed packets. Fill up the water tank and cover the PlantPlugs with the U-plates and the germination hoods. Under the germination hoods the temperature rises so that the seeds have the perfect conditions. At the same time, the U-plates prevent the formation of mold. After a few days you should see the first small shoots . If they touch the germination cap, you can remove them. Our tip: The GreenBoxApp tells you when the time has come. Then you only have to make sure that there is always enough water in the tank.

Repotting seedlings

The big moment: repotting seedlings

Through the repotting into larger pots or directly into the garden, you create more space for the plants to grow properly. At the same time, you'll free up the slots for your next GreenBox experience . But when is it time to repot the seedlings? It becomes really obvious when the roots are growing long and healthy out of the PlantPlug. Then you can take the whole plant, put it in a larger pot, and topdress it with peat-free soil with peat-free soil. Make sure that the pot is not too big - this can damage the vegetables. Our PlantPots are ideal for repotting!

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Harvest and use your seedlings

Even after repotting your plantlets should stand bright and warm, if you do not have your own garden: On the balcony or windowsill they are in good hands. Now it won't be long before you can harvest and process your tomatoes, chilies, cucumbers, herbs, zucchini or salads. Invite a few friends or prepare your family a delicious mixed salad from home-grown vegetables and enjoy!

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Our insider tip

When you grow lettuces, you can keep them longer if you pick from the outside in. Because as long as the lettuce heart is undamaged, new leaves will keep coming. By the way, if you want to have something from your young plants for a long time, you can propagate them via cuttings and let them take root.

Grow seedlings without GreenBox? Time consuming!

Spring has never been so green - with the Berlin GreenBox, your plants will have the best head start on the gardening season and look great doing it. From sowing to harvesting, BerlinGreen is the optimal choice for you and your cuttings. Uncomplicated, fast and without a green thumb, you will see the first results after just a few days.

5.000+ Satisfied Customers

  • Opinion about the GreenBox from Benjamin K. - easy to use

    "Super thing. Well explained and easy to use. It's just as easy as they say it is. It's fun to watch grow. Looking forward to the harvest."

    - Benjamin K. 🇩🇪

  • Opinion about the GreenBox from Daniela P. - an eye-catcher

    "Our two GreenBoxes are becoming more and more fun and we can't imagine life without them as eye-catchers."



    - Daniela P. 🇩🇪

  • Opinion about the GreenBox from Pericles K. - easy as pie

    "Everything worked out wonderfully and it makes a very good impression from the start! Easy as pie!"



    - Pericles K. 🇩🇪

  • Opinion about GreenBox from Marie J. - overjoyed with mini garden

    "Am overjoyed with my new mini-garden, which not only provides us with fresh produce, but is also super decorative and makes a beautiful lamp thanks to the integrated light circuit and with hood."

    - Marie J. 🇩🇪

  • Opinion about the GreenBox by Frank S. - easy to set up/set up.

    "Our planting set is exactly what we wanted. It looks great, is easy to set up/set up and with the app (great!) dead easy to maintain. So we ordered a second one right away."

    - Frank S. 🇩🇪

  • Opinion about the GreenBox from Dörthe S. - fast delivery

    "We like the product very much. The delivery came super fast, well packaged and in a high quality wood design. Assembly and app are very simple and straightforward, so you can get started right away."


    - Dörthe S. 🇩🇪

  • Opinion on the GreenBox by Florian F. - Observation of the new germs

    "My 10-year-old daughter likes the GreenBox very much and I also find it exciting to watch the new sprouts after almost 3 days with plants getting bigger and bigger."

    - Florian F. 🇩🇪

  • Opinion about the GreenBox from Jennifer K.

    "I am delighted every morning when I check how far the seeds have already germinated. My sister got the second box and is also very pleased! "


    - Jennifer K. 🇩🇪

  • Opinion about the GreenBox from Manfred B. - super quality

    "With you everything is just great! Simple ordering process - simple purchase - super quality - fast delivery And it thrives!!! What more could you want. I am very satisfied."


    - Manfred B. 🇩🇪

  • Opinion about the GreenBox from Julia J.

    "...And am totally thrilled. For almost 2 weeks now various lettuces, herbs, tomatoes and chilli grow in my kitchen. Everything has sprouted, I actually would not have expected that."


    - Julia J. 🇩🇪

  • Opinion about the GreenBox from Nicole T.

    "The ordering process was simple and straightforward. I was able to put the Greenbox into operation without much effort, the first plants germinate and even grow already. Looking forward to the first harvest :)"

    - Nicole T. 🇩🇪

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After about 2 to 4 weeks, your young vegetable will be ready to move to a larger home. Check the PlantPlugs from below beforehand - only when the substrate is well rooted is the plant ready for repotting.

In short, all plants are suitable for growing in the GreenBox! Whether herbs, salads, vegetables, houseplants or even flowers and ornamental plants: You can't go wrong with the smart greenhouse.

The best time to plant your homegrown seedlings in the garden is mid to late May. Then, even in Germany, it is already warm and sunny enough for the delicate plants to survive.

If you have grown your plants on the windowsill as a pre-crop, you need to get them used to the weather in the garden. This process is called "hardening offThis process is called "hardening off" - you put your seedlings outside a little longer each day until it's time to plant them. In the beginning, don't forget to bring them back inside at night!

In order for the seedlings to recover well from repotting, you should water them sufficiently and fertilize them at regular intervals. The rule of thumb for both is: not too often, but rather a lot at once. This will help you avoid root rot. Also make sure that the plants get enough light so that they continue to grow.

For best results, give your seedlings enough time to root through the PlantPlugs. Then, after repotting or planting out, it's just a matter of watering, sun, warmth and harvest. Enjoy your meal!