In this post, you will learn How to Start Growing Tomato Seeds Indoors. Tomato plants are one of the easiest vegetables to start growing indoors from seeds. You need to start this process about four to six weeks before the last spring frost date in your region.
To speed up the process of tomato germination I prefer to soak the seeds before sowing. Read more about it HERE. Soaked seeds in water for 48 hours germinated in 3 days after being planted.
You will need:
Organic Tomato Seeds - You may use any organic certified tomato seeds.
Tomato Starter Container - You can purchase a seed starter on Amazon, but I keep it simple and use any kind of
Simple Steps
Fill a
Use finger to poke a small hole per seed about a quarter-inch deep. Place one seed in each hole. Then sprinkle additional soil to cover the holes with seeds about a half-inch thick. Once again gently firm the sprinkle soil mix and water it lightly (DO NOT flood the container with water).
Place a container in a warm full light place (I place on the window sill) about at least 70 F (21 C) to 80 F (27 C).
Check daily to keep the planting mix moist but not saturated. Once you see the first sprout keep the seedling to high light exposure or set on the window sill that has lots of direct sun.
Continue keeping the planting seed moist but not soggy.
Tomato plants 4 days after planting shown on the picture below. They were barely reaching half-inch in length.
When the seedlings are about 2 to 3 inches tall and have 2 sets of leaves, its time to transplant individual tomato seedlings into bigger pots. Read more about this process in the
The following picture shows the result of tomato plants germinated and grew about one and a half-inch tall 7 days after being planted.
Tomato plants are one of the easiest vegetables to start growing indoors from seeds. You need to start this process about four to six weeks before the last spring frost date in your region.
- Tomato Seeds
- Tomato Starter Container/kit
- Starter Soil Mix
-
Fill a container with seed starter mix or use organic potting soil mix (I get it at Costco for fraction of the cost). DO NOT use garden soil which often drains poorly and may carry disease. Gently press the soil to remove air pockets.
-
Use finger to poke a small hole per seed about a quarter-inch deep. Place one seed in each hole. Then sprinkle additional soil to cover the holes with seeds about a half inch thick. Once again gently firm the sprinkle soil mix and water it lightly (DO NOT flood the container with water).
-
Place a container in a wart full light place (I place on the window sill) about at least 70 F (21 C) to 80 F (27 C).
-
Check daily to keep the planting mix moist but not saturated. Once you see the first sprout keep the seedling to high light exposure or set on the window sill that has lots of direct sun.
-
Continue keeping the planting seed moist but not soggy.
-
When the seedlings are about 2 to 3 inches tall and have 2 sets of leaves, its time to transplant individual tomato seedlings into bigger pots. Read more about this process in the next post.
I order my seeds from Nikitovka Seeds.
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Very informative
Thank you for finding this post helpful!
Valya what kind of soil mix do you use for the tomatoes? Is there a brand you like?
I usually use an organic potting mix from Costco.
Thank you!!!
Hello, I found your article about how to start growing tomato seeds indoors really helpful..thanks, Richard
Just started my seeds indoors. Now starting to grow, your page was so helpful for what to do next.
Thank you for your feedback! 🙂