You can plant tomatoes 12 inches apart if you are growing compact, determinate (bush) varieties. However, for standard, large, or indeterminate varieties, 12 inches is too close, and they should be spaced 18 to 36 inches apart to avoid overcrowding and disease.
Planting tomatoes too close together triggers resource competition and restricted airflow. This leads to stunted growth, a severe drop in fruit yield, and high susceptibility to fungal diseases like blight or powdery mildew, as moisture cannot evaporate from the leaves.
In most climates, October is too late to start new tomatoes from seed or transplants, as daytime temperatures and sunlight levels drop below the threshold needed for plants to thrive and set fruit. However, in USDA Zones 10–11 (or deep southern climates), October is actually the start of the winter growing season.
Never plant potatoes, fennel, brassicas (like cabbage and broccoli), corn, or black walnut trees near tomatoes. These combinations attract shared pests (such as hornworms), spread devastating soil-borne diseases (like blight), compete heavily for vital nutrients, or release toxic chemicals that stunt tomato growth.
Growing tomatoes successfully requires avoiding a few common pitfalls. The biggest mistakes are watering inconsistently (which causes blossom-end rot and cracking), neglecting plant supports, crowding plants, and over-fertilizing with nitrogen (which leads to leafy vines but no fruit).
Coffee grounds provide tomato plants with a slow-release boost of nitrogen, potassium, and magnesium. They help improve soil structure, attract beneficial earthworms, and can act as a natural deterrent against pests like slugs and snails.
A stressed tomato plant typically shows signs like drooping leaves, inward leaf curling, flower drop, or stunted growth. The exact physical appearance varies depending on the specific stressor:
Sprinkling baking soda around tomato plants is a popular gardening trick used to make fruit taste sweeter, deter soft-bodied pests, and prevent the spread of fungal diseases like powdery mildew and blight.
Yes, you should remove the first flowers if your plant is under 12-18 inches tall or still in its nursery pot. Pinching off early blooms redirects energy away from fruit production and toward root and foliage development, resulting in a much stronger, sturdier plant with higher yields later on.
When tomato plants grow large and lush but produce no fruit, the most common culprit is a nutrient imbalance (too much nitrogen), extreme temperatures, or poor pollination.
The "most powerful" tomato fertilizer isn't just one product, but a carefully balanced blend rich in phosphorus for root and flower development, potassium for fruit size, and crucially, calcium to prevent blossom-end rot. The most effective formulas are tailored to these specific needs.
The 2026 Tomato of the Year, crowned by the famous tomato festival Tomatomania, is the Sart Roloise.
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.
It is generally recommended to wait 3 to 4 years before planting tomatoes in the exact same spot. Doing this helps prevent the buildup of soil-borne diseases (such as blight and wilt) and keeps your soil from becoming depleted of essential nutrients like potassium and phosphorus.
Because taste is subjective, there is no single "best" tomato in the world. However, among gardeners, chefs, and tasting panels, a few elite varieties consistently claim the top spot depending on whether you are looking for sweet, savory, or culinary perfection.
There is no universal magic number for "too many" tomatoes, as it depends on whether we are talking about your plant's structural limits or your personal kitchen capacity.
Yes, tomatoes will continue to ripen in October, though the process slows down significantly as temperatures drop and days get shorter. As long as the fruit has reached a mature size (started changing color or grown to nearly its full variety size), it will ripen.
To increase flowering in tomatoes, ensure plants get 6–8 hours of direct sunlight and maintain temperatures between 65∘F and 85∘F. Use a fertilizer high in phosphorus and potassium but low in nitrogen, and self-pollinate flowers by gently shaking the stems.
Putting coffee grounds around tomato plants is a popular gardening trick used to provide a natural nitrogen boost, lower soil pH, improve soil structure, and deter pests like slugs and snails.
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.
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.
Yes, diluted milk can help tomato plants by providing calcium—which prevents blossom end rot—and nitrogen. However, university extension services debate its overall effectiveness compared to commercial fertilizers.
Assuming you have provided rich well-drained soil, pick a sunny spot and don't plant your tomatoes too close together. Tomato plants thrive in full sun and are healthier when provided good air circulation. Plant your seedlings deep, very deep. Tomato plants are one of the few vegetables that will root along the stem.
To maximize tomato size, use fertilizers high in phosphorus (for cell division) and potassium (for fruit development), along with adequate calcium to prevent blossom end rot.