Solanum lycopersicum
Also known as: Garden Tomato, Love Apple, Cherry Tomato, Beefsteak Tomato
Sun Requirements
full sun
Water Needs
moderate
Growing Zones
3-11
Days to Harvest
75 days
Planting Depth
1/4 inch for seeds, bury 2/3 of stem for transplants
Spacing
24-36 inches apart for determinates, 36-48 inches for indeterminates
Tomatoes are the crown jewel of the home garden, offering unmatched flavor, versatility, and satisfaction. These warm-season vegetables have transformed from their humble origins in South America to become one of the world's most beloved and widely grown crops. Whether you're growing compact cherry varieties in containers or sprawling heirloom beefsteaks in raised beds, tomatoes reward gardeners with abundant harvests of sun-warmed fruit that surpasses anything available in stores. Success with tomatoes comes from understanding their needs as heat-loving plants that require consistent care, adequate support, and protection from common pests and diseases. With hundreds of varieties available—from early-season determinates perfect for short growing seasons to indeterminate heirlooms that produce until frost—there's a perfect tomato for every gardener, climate, and culinary preference. This comprehensive guide provides everything you need to grow healthy, productive tomato plants that will supply your kitchen with fresh fruit all season long.
Complete instructions from seed to harvest
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Best plant combinations and garden layouts
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Month-by-month care instructions
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Prevention and treatment guide
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Compare different cultivars and types
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When and how to harvest for best results
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Delicious ways to use your harvest
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Growing exceptional tomatoes requires attention to detail and understanding of their specific needs throughout the growing season. These sun-loving plants thrive in warm conditions with consistent moisture, rich soil, and proper support. Success begins with selecting appropriate varieties for your climate and growing conditions, starting with quality seeds or transplants, and providing optimal growing conditions from day one. The key factors for tomato success include full sun exposure (6-8 hours daily), well-draining soil rich in organic matter, consistent moisture without waterlogging, adequate spacing for air circulation, and proper support systems to handle their vigorous growth. Regular maintenance including pruning, fertilizing, and pest monitoring ensures healthy plants that produce abundant, flavorful fruit from mid-summer through the first frost.
Plant tomatoes only after all danger of frost has passed and soil temperatures reach at least 60°F, preferably 65°F or higher. Choose the sunniest location in your garden with protection from strong winds. Prepare planting areas by working in 2-4 inches of compost or well-aged manure to depth of 12 inches. Dig planting holes twice as wide as the root ball and deep enough to bury 2/3 of the stem—tomatoes develop roots along buried portions, creating stronger plants. Remove lower leaves before planting, add a handful of balanced organic fertilizer or bone meal to each hole, and mix with soil. Space plants according to variety requirements, install support systems at planting time, and water thoroughly after planting. Apply 2-3 inches of organic mulch around plants, keeping it 2-3 inches away from stems to prevent pest problems.
Maintain consistent soil moisture by providing 1-2 inches of water weekly through deep, infrequent watering rather than frequent shallow applications. Apply water at soil level using drip irrigation or soaker hoses to keep foliage dry and prevent disease. Begin feeding 3 weeks after transplanting with balanced liquid fertilizer, transitioning to lower-nitrogen formulations once flowering begins. Prune regularly by removing suckers (shoots between main stem and branches), lower leaves touching the ground, and any diseased foliage. Support plants by tying to stakes or training through cages as they grow, using soft materials that won't cut stems. Monitor regularly for common pests like hornworms, aphids, and cutworms, treating organically when possible. Harvest fruits when fully colored but still firm, or pick green tomatoes before frost and ripen indoors.
Discover which plants work best together to create a thriving, natural garden ecosystem
Companion planting with tomatoes leverages beneficial plant relationships to create healthier, more productive gardens while reducing pest problems naturally. The most effective companions provide pest deterrence through aromatic compounds, improve soil health through diverse root systems, or utilize space efficiently without competing for resources. Classic companions like basil not only repel harmful insects but may also enhance tomato flavor, while marigolds release root compounds that suppress nematodes and other soil pests. Successful companion planting considers timing, spacing, and the specific benefits each plant brings to the tomato ecosystem. Understanding which plants to avoid is equally important—black walnut trees release chemicals toxic to tomatoes, while heavy-feeding brassicas compete intensely for nutrients.
Ocimum basilicum
Repels aphids, thrips, and spider mites; may improve flavor
Tagetes patula
Root compounds deter nematodes and many soil pests
Daucus carota
Different root zones prevent competition; helps break up soil
Tropaeolum majus
Trap crop for aphids; edible flowers and leaves
Petroselinum crispum
Attracts beneficial insects like hoverflies and parasitic wasps
Allium schoenoprasum
Repels aphids and may deter some fungal diseases
Avoid because: Release juglone which is toxic to tomatoes and causes wilting
Avoid because: Heavy feeders that compete for nutrients; different pH preferences
Avoid because: Allelopathic compounds inhibit tomato growth
Avoid because: Both attract corn earworms; compete for space and nutrients
Avoid because: Can stunt tomato growth when allowed to go to seed
Explore our detailed guides above for everything you need to know about growing healthy, productive tomato plants.