The Basics Of Growing Tomatoes

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Tomatoes are one of the most popular vegetables to grow at home, and for good reason. Not only do they taste delicious, but they’re also packed with nutrients like vitamins A and C, potassium, and fiber. In this article, we’ll take a look at the optimal conditions for growing tomatoes, including soil and temperature, as well as the nutrients they require throughout their life cycle.

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Soil Conditions For Growing Tomatoes

Tomatoes prefer well-draining soil that’s rich in organic matter, such as compost or aged manure. They also prefer a slightly acidic soil with a pH of around 6.0-6.8. If your soil is too alkaline, you can add sulfur or an acidifying fertilizer to lower the pH. If your soil is too acidic, you can add lime to raise the pH.

growing tomatoes from seed

Tomato pH is important because it affects the availability of essential nutrients to the plant. A proper pH allows for the proper uptake of nutrients like nitrogen, phosphorus, potassium, calcium, and magnesium. If the pH is too low or too high, it can lead to nutrient deficiencies or toxicities, which can result in stunted growth, yellowing leaves, and poor fruit production. Additionally, soil pH can affect the activity of microorganisms in the soil, which can impact the overall health and productivity of the plant. Maintaining the proper pH level is an important part of growing healthy and productive tomato plants.

Temperature For Growing Tomatoes

Tomatoes are a warm-weather crop and thrive in temperatures between 70-80°F during the day and 60-70°F at night. If the temperature drops below 55°F, tomato growth will slow down, and if it drops below 50°F, the plant can suffer damage. This makes waiting for optimal temperatures extremely important when planting tomatoes in the garden.

Check out our complete guide on Hardening Off Plants to set your plants up for success!

Nutrients For Growing Tomatoes

Tomatoes require a variety of nutrients at planting and throughout their life cycle. Here are some of the most important ones:


growing tomatoes in containers

Nitrogen is important for vegetative growth and should be added at planting time and throughout the season. A balanced fertilizer with a ratio of 10-10-10 or 12-12-12 is a good choice to add at planting time. Furthermore, compost, aged manure, blood meal, feather meal, alfalfa meal, and fish emulsion are all good sources of nitrogen for organic gardening throughout the season.


growing tomatoes vertically

Phosphorus is important for root development and flower production. Add a high-phosphorus fertilizer, such as bone meal or rock phosphate, at planting time.


tomato plants

Potassium is important for fruit development and disease resistance. Add a high-potassium fertilizer, such as wood ash, kelp meal, or greensand, at planting time and throughout the season.


growing tomatoes in raised beds

Calcium is important for preventing blossom end rot, a common tomato disease. Add gypsum, crushed eggshells or bone meal to the soil before planting. Additionally, a milk and water mixture can be used to water the soil around the tomato plants, being careful not to get it on the leaves. Alternatively, you can spray the milk mixture directly on the soil around the plants.

Harvest Time

how to grow tomatoes

Tomatoes are typically ready to harvest 60-80 days after planting, depending on the variety. The best time to harvest is when the tomato is fully ripe but still firm. You can tell if a tomato is ripe by its color – it should be fully red (or yellow, depending on the variety) with no green areas. If you gently squeeze the tomato and it gives slightly, it’s ready to harvest.

In conclusion, growing tomatoes requires the right soil conditions, temperature, and nutrients. By following these tips, you can grow a healthy and productive tomato crop and enjoy delicious, homegrown tomatoes all season long.

Hey Beautiful! I’m Tara, garden enthusiasts, keeper of chickens, herbal homesteader and stay at home mom of 3 tiny humans and a sourdough starter named Ma. I love teaching others how to live a self-sufficient and sustainable life through homesteading, scratch cooking, and remembering to live barefoot, wild and free!

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