Planting Timeline
Showing dates for Brandywine in USDA Zone 7
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Brandywine · Zones 4–10
Growing Details
Zone-by-Zone Planting Calendar
| Zone | Indoor Start | Transplant | Direct Sow | Harvest |
|---|---|---|---|---|
| Zone 4 | February – March | May – June | — | August – September |
| Zone 5 | February – March | May – June | — | July – October |
| Zone 6 | February – March | April – May | — | July – October |
| Zone 7 | January – March | April – May | — | June – October |
| Zone 8 | January – March | March – May | — | June – November |
| Zone 9 | December – March | February – April | — | May – November |
| Zone 10 | November – March | January – April | — | April – December |
Complete Growing Guide
Growing Brandywine tomatoes demands patience and dedication, but the payoff in flavor is unmatched among heirloom varieties. Start by selecting your sunniest garden spot with at least 6-8 hours of direct sunlight and excellent air circulation to prevent fungal issues.
Soil preparation is critical for these heavy feeders. Work in 3-4 inches of well-aged compost or manure, ensuring pH stays between 6.0-6.8. Poor drainage will doom your plants, so consider raised beds if your soil holds water. Mix in a balanced granular fertilizer (10-10-10) at planting time.
Start seeds indoors 8-10 weeks before your last frost date. Brandywine has notoriously slow germination—often 10-14 days—so be patient. Keep soil temperature around 70-75°F for best results. Once seedlings have their first true leaves, transplant to 4-inch pots. Harden off gradually over 7-10 days before transplanting outdoors when soil reaches 60°F.
Space plants 36 inches apart—these sprawling indeterminate plants need room. Install sturdy 8-foot stakes or heavy-duty cages at planting time. The massive fruits (often exceeding 1 pound) will snap branches without proper support. Use soft ties and check weekly as plants grow.
Fertilize every 3-4 weeks with a low-nitrogen formula once flowering begins—too much nitrogen delays fruiting and increases disease susceptibility. Maintain consistent soil moisture with 1-2 inches weekly, using drip irrigation or soaker hoses to keep foliage dry.
Prune suckers regularly and remove lower leaves touching soil to improve air circulation. In humid climates, consider removing some interior foliage to prevent late blight. Mulch heavily around plants but keep mulch 3 inches from stems.
Common mistakes include over-fertilizing with nitrogen, inconsistent watering (causes blossom end rot and cracking), and inadequate support systems. In zones 8-10, provide afternoon shade during peak summer to prevent sunscald.
Harvesting
Brandywine tomatoes are ready when they develop their characteristic dusky pink color with slight yellow shoulders, typically 85-100 days from transplant. Unlike red varieties, don't wait for deep coloration—fully ripe Brandywines have a pinkish-red hue that may seem underripe to newcomers.
Test ripeness by applying gentle pressure near the stem—ripe fruits yield slightly but aren't soft. The tomato should release easily with a gentle upward twist. If it resists, wait another day or two. Harvest in early morning when temperatures are cool and plants are fully hydrated for maximum flavor and shelf life.
Due to their large size and thin skin, Brandywines are prone to cracking during heavy rains. Harvest slightly underripe fruits before storms and allow them to finish ripening indoors on a windowsill. Support heavy fruits with your free hand while harvesting to prevent branch damage. Check plants daily once fruits begin sizing up, as peak ripeness lasts only 2-3 days before quality declines.
Storage & Preservation
Fresh Brandywine tomatoes store best at room temperature, stem-side down, away from direct sunlight. Never refrigerate unless fully ripe—cold temperatures destroy their complex flavor compounds. Properly harvested fruits last 3-5 days on the counter, developing deeper flavor as they rest.
For preservation, Brandywine's low acid content makes them unsuitable for water-bath canning unless combined with added acid. However, they excel when frozen whole (remove skins after thawing for sauce), dehydrated into intensely flavored chips, or processed into paste for freezing. Their exceptional flavor shines in fermented applications like green tomato kimchi or pickled green slices. Roasted Brandywine puree freezes beautifully and captures their summer essence for winter soups and stews.
History & Origin
Brandywine traces its lineage to the 1880s, originating from the Amish communities in Chester County, Pennsylvania, near Brandywine Creek. The variety gained widespread recognition through Johnson & Stokes seed company catalogs in the 1890s, where it was marketed as the ultimate large pink tomato for discerning gardeners.
The variety nearly disappeared during the mid-20th century hybridization boom but was rescued by seed saver Ben Quisenberry of Kentucky in the 1980s. Quisenberry obtained seeds from Dorris Sudduth Hill, whose family had maintained the strain for generations. Seed Savers Exchange helped popularize the variety among home gardeners in the 1990s.
Today, several distinct Brandywine strains exist, including Red Brandywine, Yellow Brandywine, and Black Brandywine, though the original pink variety remains the standard. The name likely derives from either Brandywine Creek or the brandy-colored shoulders some fruits display. This heirloom represents the peak of 19th-century tomato breeding for flavor over commercial traits.
Advantages
- +Unmatched complex flavor with perfect sweet-acid balance that defines heirloom tomato excellence
- +Massive 1-2 pound fruits provide exceptional value per plant despite lower yields
- +Indeterminate growth habit extends harvest season from mid-summer through frost
- +Superior slicing texture with meaty flesh and minimal seed cavities
- +Strong vigorous vines that, when properly supported, can reach 8+ feet tall
- +Excellent heat tolerance once established, thriving in zones 3-10
- +Saves true to type when properly isolated, preserving genetics for future seasons
Considerations
- -Extremely susceptible to late blight, early blight, and fusarium wilt without preventive care
- -Prone to fruit cracking during irregular watering or heavy rains due to thin skin
- -Slow maturation at 85-100 days limits growing season in northern climates
- -Requires intensive staking and support due to massive fruit size and sprawling habit
- -Low disease resistance makes organic growing challenging in humid climates
Companion Plants
Plant Together
Basil
Repels aphids and whiteflies, may improve flavor
Marigold
Deters nematodes and aphids with natural compounds
Oregano
Repels spider mites and provides ground cover
Parsley
Attracts beneficial insects like hoverflies and parasitic wasps
Carrots
Help break up soil and don't compete for nutrients
Chives
Repel aphids and may reduce fungal diseases
Nasturtium
Acts as trap crop for aphids and cucumber beetles
Lettuce
Provides living mulch and utilizes different soil levels
Keep Apart
Black Walnut
Produces juglone toxin that causes tomato wilt and stunted growth
Fennel
Inhibits growth through allelopathic compounds
Brassicas
Compete for nutrients and may stunt tomato growth
Corn
Both attract corn earworm and compete for similar nutrients
Pests & Disease Resistance
Resistance
Very limited disease resistance, requires preventive care
Common Pests
Tomato hornworm, aphids, spider mites, cutworms
Diseases
Late blight, early blight, fusarium wilt, cracking, blossom end rot