How to Grow Glow Tomato

Glow Tomato

Solanum lycopersicum 'Glow'

vegetable

Glow is a determinate cherry tomato variety known for its vibrant orange-red color and sweet flavor. It produces abundant clusters of medium-sized cherry tomatoes on compact, bushy plants ideal for containers and small gardens. The variety is prized for both its productivity and disease resistance.

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

  1. Plant Glow 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 Glow Tomato

    Around Jun 21

    ≈ 65 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily minimum (8+ hours preferred)
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Water: Consistent moisture, 1-2 inches per week; water deeply at soil level to avoid fungal issues. Keep soil evenly moist but not waterlogged during fruit development.
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Spacing: 18 inches
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Days to maturity: 65-75 days from transplant
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Planting depth: 0.25 inches for seeds; transplants at same depth as nursery pot

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.8
Amendments:
Compost Aged manure Perlite for drainage Balanced fertilizer (5-10-10)

Growing Zones

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Thrives in zones 3-10; grow as annual in cooler zones

3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a

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Growth Stages

1

Seedling

2-3 weeks

Small plants with 2-4 true leaves emerging, typically 2-3 inches tall

Keep soil consistently moist but not waterlogged. Provide bright light (14-16 hours) under grow lights. Maintain 70-75°F temperature.

2

Vegetative Growth

3-4 weeks after transplanting

Plants developing robust stems and compound leaves; no flowers yet. Reaches 6-12 inches tall.

Harden off seedlings before transplanting. Space 18 inches apart. Install stakes or cages early. Pinch side shoots if desired for compact growth.

3

Flowering

2-3 weeks

Yellow flowers appear in clusters at leaf axils and stem tips; plant is 12-24 inches tall

Maintain consistent watering. Apply balanced fertilizer every 2-3 weeks. Provide good air circulation. Avoid high nitrogen which delays fruiting.

4

Fruiting & Development

4-6 weeks

Small green fruits form in clusters; gradually enlarge and change to orange-red over 20-30 days

Reduce nitrogen, increase potassium and phosphorus. Water consistently to prevent cracking. Remove lower leaves for air circulation once fruit sets.

5

Harvest

6-10 weeks or until frost

Fruits fully ripen to deep orange-red color; plant continues producing through frost or until plant exhaustion

Pick ripe fruit regularly to encourage continued production. Harvest every 2-3 days at peak season. Can pick slightly underripe fruit and ripen indoors.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Brassicas (cabbage, broccoli) Fennel Walnut trees Other solanums (potato) - same disease issues

Common Pests

  • Hand-pick daily; use Bacillus thuringiensis (Bt) spray; encourage parasitic wasps

  • Yellow sticky traps; neem oil spray; insecticidal soap; reflective mulch

  • Strong water spray; neem oil; increase humidity; predatory mites

  • Remove infected leaves; improve air circulation; mulch to prevent soil splash; fungicide if severe

  • Remove affected leaves promptly; stake for air circulation; drip irrigation only; copper fungicide

Uses

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Fresh eating and snacking

Culinary

Glow cherry tomatoes are sweet and flavorful, perfect for eating fresh from the plant, adding to salads, or halving for colorful appetizer platters. Their smaller size makes them ideal for lunchboxes and snacking. [source]

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Roasting and cooking

Culinary

These tomatoes hold their shape well when roasted or blistered in a skillet, developing concentrated sweetness. They're excellent for pasta sauces, salsas, and slow-roasted preparations. [source]

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Container gardening

Household

Glow's determinate, compact growth makes it ideal for pots, hanging baskets, and small spaces. It's excellent for patios, balconies, and deck gardens with minimal space requirements. [source]

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Preserving and canning

Culinary

The abundant yield makes Glow ideal for preserving—sun-drying, freezing whole, or making tomato jam. The meaty flesh and low seed content suit home preservation projects. [source]

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Pollinator attraction

Wildlife

Bright yellow flowers attract bees and other pollinators to the garden, supporting beneficial insect populations while ensuring excellent fruit set. [source]

Harvest Tips

Pick fruit when fully colored orange-red; Glow tomatoes will not ripen further after harvest. Pick every 2-3 days during peak production. For end-of-season harvest, pick mature green fruit and ripen on windowsill indoors (2-3 weeks). Vine will produce continuously until frost.

Fun Facts

  • 🌱 Glow tomatoes get their vibrant orange-red color from high lycopene and beta-carotene content, making them more nutritious than many red tomato varieties.
  • 🌱 A single Glow plant can produce 100+ cherry tomatoes in a season under optimal conditions, making it one of the most prolific home garden varieties.
  • 🌱 The determinate (bush) growth habit makes Glow self-supporting at heights under 3 feet, unlike indeterminate varieties that need constant pruning and support.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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