How to Grow Tomato Seedlings Indoors

There are numerous varieties of tomatoes. However, they can be classified into two basic categories: determinate (bush) and indeterminate (vine). Whether you are growing indeterminate tomatoes or determinate tomatoes, you can grow tomato seedlings indoor and then transplant outdoors.

There are five stages of growing tomatoes.

  • Sowing seeds
  • Fertilizing seedlings
  • Transplanting seedlings
  • Taking care of tomato plants
  • Harvesting fruits

Generally speaking, tomatoes grow in the winter, however, the seedlings cannot tolerate harsh cold. Some varieties of tomato grow in the summer, however, the seedlings cannot endure too much heat. However, you grow seeds indoor throughout the year by creating microclimate.

Sowing seeds

You can sow tomato seeds in a seeding tray or any kind of flat container. If you are using a seeding tray, fill it with potting mix and toss one seed on each hole.  If you are using a flat container, fill the container with potting soil and sprinkle tomato seeds thinly. If the seeds are sowed densely, the seedlings will become thin and weak. The best way to sow tomato seeds in a flat container is by mixing one spoon tomato seeds with two spoons of sand and sprinkling on the container. Cover the seeds with a thin layer of soil and water thoroughly. Tomato seeds are prone to ants and other insects. Therefore, extra care should be taken while sowing. You can use disinfectant on the potting soil or spray disinfectant after sowing the seeds. You can also speed up germination process by covering the soil with peat moss or plastic sheet. If you are using plastic sheet, remove the sheet when you see the sprouts.

Fertilizing

When the tomato seedlings become one inch, feed them. You can use compost, compost tea or artificial fertilizer. Tomato seedlings need nitrogen, therefore, make sure your fertilizer contains a good level of nitrogen. You should also water your tomato seedlings regularly. However, do not make the soil soggy.

Transplanting

Tomatoes seedlings need repotting. Repotting is done is two stages.

Transfer the seedlings on another container when the seedling is two inches. Tomato seedlings become two inches tall in two weeks if you have given them good fertilizer and water.

Transfer the repotted tomatoes in another place where you want your tomato to grow mature. This is generally in two weeks after the first repotting.

You should give them fertilizer after the roots have settled which is generally in 4-5 days. The seedlings need phosphorous. Therefore, make sure your fertilizer contains a high level of phosphorous. Water the plants regularly. Your tomato seedlings should also get a good amount of light.

Taking care of tomato

Tomato is prone to mildew and other fungal disease. Caterpillar also causes risk to tomato plants. You should provide water and fertilizer to the tomato plants in the flowering and fruit bearing stages.

Harvest

The first harvest will be ready in 90-120 days of sowing the seeds.

Conclusion

Whether you are planting seedlings outdoor or growing plants indoor, you can start indoor seedlings. Indoor seeding is best for the plants that need warmth during growing season. Indoor seedling is also a better option for growing seed if mildew is a problem in your area. If you are in a dry area and your plants need humidity, indoor seedling is a better option. Generally speaking, starting seeds indoors gives plants a good head start and brings early harvest as well as great yield.

80 Comments on “How to Grow Tomato Seedlings Indoors”

  1. Helpful piece – growing our own food is very important as this helps us minimize our spending on foods. When we grow our own food, we also get to eat organic.You provide real value to your readers.

  2. should helping– growing our own food is very so important as that is helps us minimize our spending on foods, we should provite to get organic food.You provide real value to growing.

  3. Nice guide, I am myself growing vegetables and it is sure that tomato needs a lot of warmth. Make some posts about pest and how to get rid of them.

  4. Nowadays when everything is going out of reach from low-income people, such ideas can be very useful to live a respectful life growing these things at home

  5. Helpful article. It helps to grow tomato in our own field so that we wont have to spend money on it. We can consume our own grown tomato.

  6. Is this method have to do something with the soil? I’m trying to plant tomatoes for quite sometime now but still all I got is dried seeds in the soil. lol
    Thank you for this information I will try to grow tomatoes again as I have the motivation.

  7. Tomato is a blood glowing vegetable. It can grow. In. A hot weather. Under covered plasic sheets. Hot atmosphere required for it

  8. I’ve tried growing tomatoes in our backyard. It was very fun. You get to harvest it’s own produce in no time and it’s very easy to grow it. Just make sure it’s getting enough sunlight exposure and water, very important.

  9. Nice idea, now i can eat fresh and organic tomatoes . thumbs up for this. it’s really helpful for farmer. thanks

  10. This is an amazing agricultural article. It described and given an excellent information about how to cultivate tomato indoors. It will help lot of small farmers. Thanks a lot

  11. Growing tomatoes in our backyard could be so much fun. Thanks for this helpful article on how to grow tomatoes indoor.

  12. Thank you so much for this. I have always wanted to know how to grow tomatoes since it has become more expensive in the market these days.

  13. A very informative article on how to grow tomato seedlings indoors. I feel I can now do it without even referring to the article.

  14. Very interesting and impressive way for getting the knowledge of growing the different varieties of food; its really cool…

  15. Very much informative article. Tomato is a great source of vitamin C. But getting healthy, fresh and juicy tomatoes we need best seeds to plant and good harvest. This article explained everything is details which is very much helpful for tomato growers. Thanks.

  16. nice i did not know that tomatoes can grow indoor and you get to harvest it is own produce in no time and it’s very easy to grow it and its very helpful artical.

  17. Very useful post especially to a Mom like me. Growing your own organic vegetables will lessen your expense. Good Job 🙂

  18. Very useful post especially to a Mom like me. Growing your own organic vegetables will lessen your expense. Good Job 🙂

  19. Really, the article is more than fantastic and contains lots of accurate and valuable information
    We wait for more

  20. I love tomatoes and so as planting. Thanks for the info, helps a lot. Will surely follow this when I plant my first tomato.

  21. Nice post, I so happy to read this. I am very interest in gardening so this is very helpful to me.

  22. I have planned to farm tomatoes in my garden and I’ve searched in Google. I reached many websites but I’m not satisfied from that websites. But when I reached thehomemakers.club I got the exact idea to farm tomatoes. Thank you so much.

  23. I have planned to farm tomatoes in my garden and I’ve searched in Google. I reached many websites but I’m not satisfied from that websites. But when I reached thehomemakers.club I got the exact idea to farm tomatoes. Thank you so much.

  24. Growing tomatoes in our backyard could be so much fun. Thanks for this helpful article on how to grow tomatoes indoor.

  25. i didn’t know that i can plant tomato in a container, thanks for the informative article home makers club.

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