How to Grow Trailblaze Tomato

Trailblaze Tomato

Solanum lycopersicum 'Trailblaze'

vegetable

Trailblaze is a determinate (bush) tomato variety bred for early maturity and disease resistance, producing medium-sized red fruits. It was developed by the USDA and is known for its ability to set fruit even in cooler conditions. This variety is particularly valued for short-season growing regions and its resistance to early and late blight.

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Example Trailblaze Tomato timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Trailblaze Tomato

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Trailblaze Tomato

    Around Jun 11

    ≈ 55 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Trailblaze Tomato dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, minimum 6-8 hours daily, preferably 8+ hours
💧
Water: Consistent moisture; water deeply 1-2 inches per week. Water at soil level in mornings to reduce disease pressure. Avoid overhead watering.
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Spacing: 24 inches
📅
Days to maturity: 55-65 days from transplant
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Planting depth: 1/4 inch for seeds; bury transplants up to first true leaves

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.8
Amendments:
compost aged manure peat moss or coconut coir balanced fertilizer (5-10-10)

Growing Zones

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Zones 3-9; excellent for short-season gardeners and northern climates

2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Seedling

3-4 weeks

Emergence of seed leaves followed by first true leaves; small green plants 2-4 inches tall

Provide bright light (14-16 hours), maintain soil moisture, avoid overwatering. Keep temperature 70-75°F. Fertilize weekly with half-strength liquid fertilizer after true leaves appear.

2

Transplant/Early Growth

2-3 weeks indoors before transplanting

Stocky plants 6-10 inches tall with 4-6 true leaves, ready for hardening off and transplanting outdoors

Harden off plants by gradually exposing to outdoor conditions over 7-10 days. Plant in garden 24 inches apart after last frost. Water gently after planting.

3

Vegetative/Flowering

3-4 weeks

Bushy growth with multiple branches and flower clusters beginning to form; flowers appear in clusters

Provide consistent water and nutrients. For determinate varieties like Trailblaze, minimal pruning is needed. Support with stakes or cages early. Remove lower leaves once flowering begins to improve air circulation.

4

Fruit Set/Development

3-4 weeks

Developing green fruits at varying sizes; fruits enlarge and begin color change

Maintain consistent watering (1-2 inches weekly). Fertilize every 2-3 weeks with balanced or fruiting formula. Ensure good air circulation. Watch for disease symptoms.

5

Ripening/Harvest

2-3 weeks of active harvest

Fruits turn deep red and reach full size; plant becomes dense with mature fruit

Continue regular watering but reduce slightly if rains are heavy. Harvest ripe fruits regularly to encourage continued production. Fruits ripen all at once due to determinate growth habit.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

fennel dill brassicas (cabbage, broccoli) potatoes corn

Common Pests

  • Hand-pick; apply Bacillus thuringiensis (Bt); encourage parasitic wasps

  • Spray with insecticidal soap or neem oil; encourage ladybugs and lacewings

  • Use yellow sticky traps; spray neem oil or insecticidal soap; improve air circulation

  • Increase humidity; spray with water; apply neem oil or miticide if severe

  • Remove infected leaves; improve air circulation; avoid overhead watering; apply copper fungicide if needed

Uses

🍳

Fresh eating and slicing

Culinary

Medium-sized fruits are ideal for fresh eating, slicing for sandwiches, and salads. The flavor is classic tomato with good balance of sweetness and acidity. [source]

🍳

Sauce and canning

Culinary

The concentrated ripening of this determinate variety makes it perfect for batch processing into sauce, salsa, or canning. Higher solids content suits preservation. [source]

💊

Nutritional benefits

Medicinal

Rich in lycopene, vitamin C, and potassium. Lycopene is a powerful antioxidant with potential cardiovascular and cancer-preventive properties. [source]

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Home garden reliability

Household

Excellent choice for beginner gardeners and short-season climates due to early maturity and disease resistance. Requires minimal maintenance compared to indeterminate varieties. [source]

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Pollinator support

Wildlife

Tomato flowers attract bees and other pollinators, supporting garden biodiversity and fruit set. The bushy growth provides shelter for beneficial insects. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Harvest when fruits are deep red and slightly soft to slight pressure. Trailblaze is a determinate variety that ripens most fruits within a concentrated timeframe (2-3 weeks). Twist gently or use pruning shears. Can harvest at 'breaker stage' (first blush of color) and ripen indoors. All fruit typically ripens by end of season.

Fun Facts

  • 🌱 Trailblaze was developed by the USDA in the 1950s specifically to ripen early and set fruit in cool weather, making it a breakthrough variety for northern gardeners and short-season climates.
  • 🌱 As a determinate variety, Trailblaze produces all its fruit within a compressed 2-3 week window, making it ideal for simultaneous harvesting and canning operations rather than continuous harvesting.
  • 🌱 The variety demonstrates natural resistance to early blight (Alternaria) and late blight (Phytophthora infestans), two of the most destructive tomato diseases, making it a sustainable choice for organic gardeners.

Gardening Terms

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