How to grow seeds indoors
Reading a package
Each seed bag should have instructions on how to plant the seeds indoors. The information in the packet can tell you what conditions are needed for landing and what to expect.
Preparing the growing medium
First of all, you need to buy cups for seedlings or separate mini greenhouses, seedling cassettes. Through this process, a uniform moisture level can be achieved.
There is an option to plant seedlings together with special pots made from natural ingredients, you can buy such peat cups for seedlings here.
First you need to loosen and moisten the soil mixture, and then place it in containers.
It is necessary to moisten the soil mixture to the consistency of a squeezed sponge. Its condition should be moist and without lumps and without flowing water.
Be sure to use pre-soil already wetted, and fill seed trays or containers about 2/3 full. Tap the container to allow the soil mixture to settle.
Secure the top of the mix gently with your hand and don't stuff the potting mix tightly into the container - it should stay airy.
The main factor for greater success is the drainage hole in the seed tank at the bottom.
After preparing the containers, you can start planting seeds.
For example, some seeds may require a pre-cooling or soaking period, and some seeds require exposure to light to germinate.
Small seeds can be scattered over the potting mix. Larger seeds can be counted and planted individually. Use at least 3 seeds per container, as not all seeds will germinate and not all that germinate will survive. You can thin out additional ones later.
Final landing process
Cover the seeds with a more moist soil mixture, and then gently compact again.
Water the seeds
Even if the potting mix has been pre-moistened, it is still recommended to sprinkle some water over the planted seeds. You will ensure that the top layer of the mixture does not dry out too quickly, that the potting mix strengthens and that there is better contact between the mixture and the seeds. With very small seeds, it is best to moisten them with a spray bottle.
The hardest part is the process of growing seeds indoors. Because plants need to be provided with optimal temperature, humidity and light so that the seeds germinate and sprout.
You can start to cover the cups or greenhouses with clear plastic, or maybe they are already in the kit. This will serve to retain moisture and heat.
Place the container with the plant in a warm but draft-free place and check it daily.
When you see the seedlings begin to sprout - remove the top plastic and move to indirect light.
From now on, make sure the potting mix stays moist but not wet. Too wet soil can lead to fungal diseases.
Seedling growth monitoring
As the seedlings begin to pierce the soil, they will begin to straighten up and unfold. The seedlings will look like 2 leaves - the leaf-like structure (cotyledons) serves as a food source until they develop into true leaves and the plant becomes capable of photosynthesis. This is the point at which you should place the seedling under the light source.
Your seedlings will need constant light every day. The best way to provide regular, long doses of light is to connect fluorescent or high-intensity plant lights to an automatic timer.
As the seedling grows, the cotyledons will form into the first "true" leaves. Because it grows in a soilless mix, you will need to feed it extra. A balanced fertilizer, or a type of fertilizer high in nitrogen and potassium, promotes healthy roots and growth. Over-fertilizing will stress the seedlings, so use a water-soluble fertilizer diluted to 1/2 of the normal strength. Seedlings need to be fed every 2 weeks.
The seedlings can remain in their original containers until you are ready to plant them in their permanent location.
If more than one seedling is growing in the same container, either divide the seedlings into separate pots or cut off all but the strongest seedling. Do not uproot extra seedlings, because this will damage the roots of the remaining seedling.
Before it gets warmer outside, you need to make sure you already have healthy and stocky young plants. Before you move them into the garden, spend a week or two gradually introducing them to the new growing conditions. This is called "hardening". This gives the plants a chance to acclimate to sunlight, drying winds and climate change.
When the seedlings can comfortably grow outdoors and even overnight, your seedlings are ready to be transplanted into the garden or into permanent outdoor containers. Water the seedlings well before and after transplanting. Try not to transplant during the hottest and sunniest time of the day.