To protect tomato plants from extreme heat (temperatures consistently over 85∘ 𝐹), shield them with 30-50% shade cloth during the hottest part of the afternoon. Apply a 3-inch layer of organic mulch to keep roots cool, and water deeply at the base early in the morning.
Tomatoes start to suffer when daytime temperatures exceed 95∘ F and nighttime temperatures remain above 75∘ F. While the plants themselves can survive, this extreme heat stresses them out and causes "blossom drop," where flowers fall off before they can pollinate, effectively halting all new fruit production.
Gardeners use baking soda around tomato plants primarily to prevent fungal diseases, deter pests, and potentially sweeten the fruit by adjusting soil acidity.
Coffee grounds are added to tomato plants because they provide a slow-release source of nitrogen, improve soil structure, and can help deter pests like slugs and snails. They are best used in moderation or mixed into compost rather than piled thickly, as too many can compact the soil.
Cover your tomato plants when nighttime temperatures are forecast to drop below 50°F (10°C). While mature plants can survive brief dips into the mid-to-low 30s, anything below 50°F can stunt their growth, cause them to drop their flowers, and halt fruit production.
Protect your tomato plants from extreme heat by providing 30–50% shade, applying a 2 to 3-inch layer of organic mulch, and watering deeply. Sunscald and blossom drop can occur when temperatures climb over 85∘F85 raised to the composed with power F85∘F to 90∘F90 raised to the composed with power F90∘F, but these targeted tactics will help your plants survive and keep producing.
Never plant fennel, brassicas (like cabbage, broccoli, and kale), potatoes, or corn near tomatoes. These plants can stunt tomato growth, compete aggressively for nutrients, or spread devastating diseases and pests.
Baking soda can sweeten tomatoes and deter pests, but must be used sparingly to avoid harming plants. A light sprinkle around the base wards off slugs, ants, and aphids, and a diluted spray mix helps prevent fungus.
Epsom salts (magnesium sulfate) provide magnesium and sulfur to tomato plants, which boosts chlorophyll production, aids nutrient absorption, and corrects leaf yellowing. It promotes bushier foliage, stronger cell walls, and can enhance fruit size and flavor.
The best homemade tomato fertilizer is a nutrient-rich, liquid compost tea. It delivers a gentle, balanced boost of essential macronutrients (nitrogen, phosphorus, and potassium). To make it, steep a shovelful of aged manure or compost in a 5-gallon bucket of water for 24 hours, strain the liquid, and water your plants.
Hydrogen peroxide can be highly beneficial for tomato plants if used correctly. It is a cheap, effective, and readily available remedy used to control fungal diseases, manage pests, and aerate waterlogged soil. However, because it is a strong oxidizer, using too much can damage your plants.
To grow bigger tomatoes, maximize the fruit's size by pruning excess branches, restricting the plant to just one or two main stems, and plucking off early blossoms. This diverts the plant's energy into sizing up the remaining tomatoes rather than spreading resources across too many fruits.
To protect your tomato plants, use Neem oil for common pests like aphids and whiteflies, or Btcap B t𝑩𝒕 (Bacillus thuringiensis) specifically for caterpillars and tomato hornworms. For a quick DIY option, mix 1 teaspoon of mild liquid dish soap and 1 cup of vegetable oil per gallon of water.
Gardeners bury an egg in the planting hole because it acts as an organic, slow-release fertilizer. As the egg decomposes, it releases essential nutrients like calcium, nitrogen, and phosphorus directly to the tomato roots, which helps build stronger stems and prevents blossom end rot.
While tomato plants love the sun, they can get too much sun, especially when temperatures heat up. If you've wondered why my tomato plants not flowering, high temperatures and too much sun may be to blame. When daytime temperatures exceed 90 degrees F.
Yes, used coffee grounds help tomato plants by slowly adding nitrogen, potassium, and magnesium to the soil. They improve soil aeration and water retention, while their scent can help deter pests like snails and slugs.
When planting tomatoes, mix a handful of rich organic matter (like Compost) and a source of slow-release phosphorus and calcium, such as bone meal or crushed eggshells, into the bottom of the hole. This provides essential nutrients for strong root development and prevents blossom-end rot.
Epsom salt is not actually salt, it is magnesium and great for tomatoes, which love it. It will give you healthier plants and sweeter tomatoes. Add one tablespoon per gallon of warm water to help it dissolve. You only want to use it about once in awhile though.
Baking soda (sodium bicarbonate) is used to control fungal diseases, deter pests, and slightly reduce soil acidity. However, it must be applied with caution; overuse can cause dangerous salt buildup and damage plant tissue.
Nitrogen helps produce green leaves and stems, phosphorus helps produce root development, and potassium helps the plant withstand stress from heat or cold. A good all-purpose fertilizer would be a 10-10-10 NPK (nitrogen, phosphorus, and potassium). This type of fertilizer will work well for most plants and soil types.
Yes, you can spray peroxide on your plants to treat fungal issues (like powdery mildew) or deter pests. However, you must heavily dilute it to avoid burning the leaves.
The best overall companion plant for tomatoes is basil. It thrives in the same growing conditions, repels pests like mosquitoes and thrips, and is widely believed to enhance the flavor of the tomatoes themselves.
When growing tomatoes, avoid planting before the danger of frost has passed, as cold temperatures stunt growth. Do not plant shallowly; bury stems deep in the soil for stronger roots. Never water from above—wet leaves invite blight—and avoid over-fertilizing with nitrogen, which creates bushy leaves instead of fruit.