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How to Sow Seeds in a Pot & Garden

With spring and good weather, it is time to remove the seeds from the fruits or from the envelopes so that they begin to awaken and thus become beautiful plants. The truth is that sowing is always a pleasure, but if we bury them more than necessary, we will wait in vain for them to germinate, since in order to do so they need to be able to “feel” the sunlight.

But not only that: if we water them excessively, they will most likely end up rotting, so how can we avoid it? Let’s know how to plant seeds in a pot outside and have 100% success (or almost). Mostly people grow their gardens in Polytunnels to keep them safe from storms and winds.

Treat the seeds with copper sulfate

The greatest enemy of seeds and seedlings is the fungus. This microorganism acts very fast, so much so that when it becomes visible to us it is too late. Therefore, it is very important to treat the seeds with copper sulfate before sowing them and, again, every 20-25 days after sowing .

We will place them on a tray, cover them with a little copper sulfate, and spray them well with water. Another option is to put them in a glass of water to which we will have added a pinch of sulfate for 24 hours.

Choose a substrate that has good drainage

Drainage is essential to prevent the roots from suffocating. For seedlings, the use of vermiculite is highly recommended (see image above). Not only will it allow the excess water to come out without any problem, but it will also keep the seeds at a much more comfortable temperature for them by absorbing heat .

As if that were not enough, it is very easy to find for sale in nurseries, garden stores and agricultural stores or you can find it on Amazon. So once we have it we just have to fill the pot with it almost completely.

Don’t bury the seed too much

The seeds to be able to germinate do not have to be deeply buried. For example, if they are small and are 0.5cm wide, we never have to cover them with a layer of substrate more than 1cm thick , otherwise they will have many problems to germinate, and even more to have a good development.

Also, it is convenient that they are not too close together . The ideal is to sow a maximum of two or three seeds in each pot, so they can have space and grow well.

Water regularly

For germination to occur we have to water from time to time, preventing the substrate from drying out. Generally, it will be watered 3-4 times a week with rainwater or lime-free water , either with a small watering can or, even better, with a sprayer.


These are good times to have a seedbed or sow seeds in your garden. If you do,  in spring you will enjoy green soil full of the flowers and fruits that you have grown . Before you start planting, try to find the type of plant that grows best in your geographic region.

To grow  seeds , you must first prepare the soil. Surely you know the  rake with steel teeth , with it remove the substrate, so you will make furrows that will soften the soil, this will help you make cultivation paths and aerate the land. The seeds have the necessary nutrients and as their roots grow they are fragile, so you should avoid compost, it is dense and will not allow the growth of your planting.

Before depositing the  seeds,  the soil must be moistened, to know if it is suitable for sowing. Take a piece of soil and make a ball with it, if it falls apart easily, the substrate is ready to be planted.

The seeds should be planted between 1.27 and 0.63 cm deep. You should know that some seeds germinate better when they are moistened before being planted. Try to start your planting where there is light most of the time. Most of the seeds sprout well at a temperature of 25ºC.

Take advantage of the removed soil to install an  irrigation system , since the soil with seeds will need to remain moist most of the time, but without flooding.

Following these steps will allow seedlings to sprout, which will require all-day light and moisture. After a while you will see that some grow more than others, and for them to develop properly, you will have to prune the weak and fragile stems. Thus, the strongest will take advantage of the necessary nutrients and will grow lush and healthy. When it is large enough, add  organic compost .


Selena is a blogger and a guest contributor for a well-known brand that includes MESHEBLE. In her leisure time, she plays tennis.

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