Planting Timeline
Showing dates for Beefsteak in USDA Zone 7
All Zone 7 tomato →Zone Map
Click a state to update dates
Beefsteak · Zones 3–11
Growing Details
Zone-by-Zone Planting Calendar
| Zone | Indoor Start | Transplant | Direct Sow | Harvest |
|---|---|---|---|---|
| Zone 3 | March – April | June – June | — | August – September |
| Zone 4 | March – April | May – June | — | August – September |
| Zone 5 | March – April | May – June | — | July – October |
| Zone 6 | February – March | May – June | — | July – October |
| Zone 7 | February – March | April – May | — | July – October |
| Zone 8 | January – March | April – May | — | June – November |
| Zone 9 | December – March | March – May | — | June – November |
| Zone 10 | November – March | February – May | — | May – December |
Complete Growing Guide
Growing prize-winning beefsteak tomatoes requires patience and attention to detail, but the massive harvests are worth the effort. Start by preparing your planting site in full sun with rich, well-draining soil amended with 3-4 inches of aged compost or well-rotted manure. These giants are heavy feeders and need deep, fertile soil to support their substantial fruit production.
Start seeds indoors 6-8 weeks before your last frost date, planting them ¼ inch deep in seed-starting mix. Maintain soil temperature between 70-80°F for optimal germination. Once seedlings develop their first true leaves, transplant to 4-inch pots and begin weekly feeding with diluted liquid fertilizer. Gradually harden off plants over 7-10 days before transplanting outdoors when soil temperatures reach 65°F and nighttime temperatures stay above 55°F consistently.
Space transplants 3-4 feet apart to ensure adequate air circulation, which is crucial for preventing fungal diseases. Install heavy-duty cages or stakes at planting time—beefsteak plants can reach 6-8 feet tall and will need substantial support for their pound-plus fruits. Drive stakes at least 2 feet deep and use soft ties to secure stems as they grow.
Feed every 2-3 weeks with a balanced fertilizer (like 10-10-10) early in the season, then switch to a lower-nitrogen formula once flowering begins to prevent excessive foliage at the expense of fruit development. Maintain consistent soil moisture with 1-2 inches of water weekly, using drip irrigation or soaker hoses to keep foliage dry. Apply 3-4 inches of organic mulch around plants to retain moisture and regulate soil temperature.
Avoid common mistakes like overhead watering (which promotes disease), inconsistent watering (leading to blossom end rot and cracking), and overcrowding plants. Remove suckers that develop between main stems and branches to focus energy on fruit production. In zones 8-10, provide afternoon shade during peak summer heat to prevent stress and improve fruit quality.
Harvesting
Harvest beefsteak tomatoes when they show full color development but still have some firmness—they should yield slightly to gentle pressure but not feel soft. Unlike smaller varieties, beefsteaks often develop their characteristic pink-red color 2-3 days before reaching peak ripeness. Look for a subtle color change from glossy to slightly matte on the skin surface.
Perform the 'shoulder test'—the area around the stem should lose its green color completely, even if the rest of the fruit is still developing color. Harvest in early morning when temperatures are cool and fruits are fully hydrated. Use both hands to support large fruits while twisting gently—if the tomato doesn't release easily, it needs more time. Cut the stem with clean pruners rather than pulling, which can damage the plant and create entry points for disease. Since beefsteaks can weigh 12-16 ounces or more, check plants daily during peak season as heavy fruits can break branches if left too long.
Storage & Preservation
Store fully ripe beefsteak tomatoes at room temperature for 3-5 days, stem-side down to prevent moisture loss. Never refrigerate unless overripe—cold temperatures destroy their flavor compounds and create mealy texture. For slightly underripe fruits, place in a paper bag with a banana to accelerate ripening.
Due to their size and high water content, beefsteaks aren't ideal for traditional canning but excel at other preservation methods. Slice and freeze on parchment-lined trays, then transfer to freezer bags for up to 8 months—perfect for winter cooking. Core and stuff with rice or grain mixtures before freezing whole. Make and freeze fresh tomato sauce, taking advantage of their meaty texture and mild flavor. Dehydrate thick slices in a dehydrator or low oven (135°F) for 8-12 hours to create intensely flavored tomato leather or chips.
History & Origin
Beefsteak tomatoes represent one of America's oldest and most beloved heirloom categories, with origins tracing back to the late 1800s. Unlike many modern varieties bred for uniformity, 'Beefsteak' developed as a regional type rather than a single cultivar, with gardeners across the Northeast and Midwest selecting for increasingly larger fruits throughout the early 1900s.
The variety gained prominence during the Great Depression when home gardeners prized tomatoes that could provide substantial nutrition and satisfy hunger with just one or two fruits. Seed companies began offering 'Beefsteak' selections in their catalogs by the 1920s, though considerable variation existed between different strains.
The name 'Beefsteak' reflects both the tomato's substantial, meaty texture and its deep red color reminiscent of raw beef. This variety represents the American ideal of 'bigger is better' in gardening, becoming a symbol of abundance and successful cultivation. Many regional strains developed over decades, with gardeners saving seeds from their largest, best-flavored fruits, creating the genetic diversity that makes beefsteak tomatoes adaptable to various growing conditions while maintaining their signature massive size.
Advantages
- +Produces massive 12-16 ounce fruits that create impressive sandwich slices
- +Excellent mild, sweet flavor with low acidity appeals to acid-sensitive individuals
- +Reliable heavy yields once established, often producing 15-20 large fruits per plant
- +Meaty texture with fewer seeds makes them ideal for stuffing and fresh eating
- +Strong indeterminate growth habit extends harvest season from mid-summer through frost
- +Impressive visual impact makes them perfect for farmer's markets and garden shows
- +Adapts well to various growing methods including containers with adequate support
Considerations
- -Highly susceptible to cracking during periods of irregular watering or heavy rain
- -Prone to blossom end rot if calcium uptake is disrupted by inconsistent soil moisture
- -Limited disease resistance requires vigilant monitoring and preventive care
- -Heavy fruits often cause branch breakage without proper staking and support systems
- -Longer 85-90 day maturity period limits growing season in northern climates
Companion Plants
Plant Together
Basil
Repels aphids and whiteflies, may improve tomato flavor
Marigold
Deters nematodes and repels hornworms and other pests
Carrots
Loosens soil around tomato roots and doesn't compete for space
Parsley
Attracts beneficial insects and acts as living mulch
Peppers
Similar growing requirements and compatible root systems
Oregano
Repels aphids and spider mites while attracting pollinators
Chives
Repels aphids and may help prevent fungal diseases
Nasturtium
Acts as trap crop for aphids and cucumber beetles
Keep Apart
Black Walnut
Produces juglone toxin that causes tomato wilt and death
Fennel
Inhibits tomato growth through allelopathic compounds
Corn
Both attract corn earworms and compete for similar nutrients
Brassicas
Heavy nitrogen feeders that compete with tomatoes for nutrients
Pests & Disease Resistance
Resistance
Limited resistance; requires good garden hygiene and air circulation
Common Pests
Tomato hornworm, aphids, spider mites, cutworms
Diseases
Blossom end rot, cracking, late blight, fusarium wilt