How to Grow Honeyheart Tomato

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Honeyheart Tomato

Solanum lycopersicum 'Honeyheart'

vegetable

Honeyheart is a sweet cherry tomato variety known for its exceptionally sugary, honey-like flavor and small, round fruits. The indeterminate vines produce abundant yields throughout the growing season, making it a favorite among gardeners seeking premium-quality snacking tomatoes. This heirloom-type cultivar combines disease resistance with excellent taste.

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

  1. Plant Honeyheart 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 Honeyheart Tomato

    Around Jun 26

    ≈ 70 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 8+ hours daily (more sun = sweeter fruit)
💧
Water: Consistent moisture, 1-2 inches per week; water deeply at soil level to prevent cracking and disease. Avoid wetting foliage.
📏
Spacing: 24 inches
📅
Days to maturity: 70-85 days from transplant
🌱
Planting depth: 0.25 inches for seeds; transplants buried up to first true leaves

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.8
Amendments:
compost aged manure perlite or vermiculite for drainage balanced fertilizer (5-10-10)

Growing Zones

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Thrives in zones 5-10; can be grown in zones 3-4 with season extension techniques

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

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Growth Stages

1

Seedling

2-3 weeks

Tiny cotyledons emerge, followed by first true leaves. Plants are delicate and pale green.

Keep soil moist but not waterlogged. Provide bright light 14-16 hours daily. Maintain 65-75°F. Thin to strongest seedling per cell if starting in open trays.

2

Vegetative Growth

3-4 weeks after transplanting

Plant develops robust stems and compound leaves. Indeterminate varieties continue growing indefinitely. No flowers yet.

Harden off transplants over 7-10 days before outdoor planting. Plant deeply to bury stem and encourage root development. Install sturdy stakes or cages early. Maintain consistent watering.

3

Flowering

Throughout season; continuous flowering on indeterminate types

Yellow flowers appear in clusters (inflorescences) along the stem. Plant may show vigorous foliage growth.

Pinch off lower leaves once flowering begins to improve air circulation. Apply balanced fertilizer weekly or use drip irrigation with diluted fertilizer. Watch for blossom end rot (calcium deficiency)—ensure consistent watering.

4

Fruiting

30-45 days from flower to mature red fruit

Small green fruits develop and gradually enlarge. Fruits ripen from green to red over 20-30 days, developing sweetness and color.

Prune suckers (shoots between main stem and branches) on indeterminate varieties to direct energy to fruit. Reduce nitrogen to avoid excessive foliage. Water consistently to prevent splitting. Support heavy fruit clusters with twine if needed.

5

Harvest

Continuous from mid-summer until first frost

Fruits turn fully red (or color variety designation) and yield slightly to gentle pressure. Peak sweetness is achieved at full ripeness.

Pick ripe fruits regularly to encourage continued production. Harvest in early morning for best flavor. Can pick at breaker stage (first blush of color) and ripen indoors. In fall, harvest all fruit before frost; green tomatoes ripen at room temperature in 2-3 weeks.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

brassicas (cabbage, broccoli) fennel kohlrabi dill

Common Pests

  • Hand-pick; encourage parasitic wasps; spray Bacillus thuringiensis (Bt) if infestation is severe

  • Spray with strong water stream; use insecticidal soap; introduce ladybugs; neem oil as last resort

  • Increase humidity; spray undersides of leaves with water; use neem oil; ensure adequate air circulation

  • Yellow sticky traps; insecticidal soap; neem oil; reflective mulch to confuse insects

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

  • Choose resistant varieties; remove infected tissue immediately; fungicide; ensure good drainage; destroy plant debris in fall

Uses

🍳

Fresh eating and snacking

Culinary

Honeyheart tomatoes are prized for eating fresh off the vine. Their exceptional sweetness and honey-like flavor make them ideal for salads, appetizers, and straight snacking. [source]

🍳

Preserves and slow-roasting

Culinary

Small, sweet cherry tomatoes are excellent for slow-roasting with olive oil and garlic, or for making tomato confit and preserves that concentrate the sugars. [source]

🏠

High yielding garden crop

Household

Indeterminate Honeyheart varieties produce continuously until frost, providing abundant fresh fruit from mid-summer through fall for a single home gardener. [source]

🍳

Lycopene-rich superfood

Culinary

Fully ripe red tomatoes are rich in lycopene, a carotenoid antioxidant associated with cardiovascular and prostate health. Cooking slightly increases bioavailability. [source]

🎨

Seed saving

Craft

Honeyheart is an open-pollinated variety, making it ideal for home seed saving. Ferment seeds in tomato pulp for 2-3 days, rinse thoroughly, and dry for next season's planting. [source]

Harvest Tips

Pick fruits when fully red and slightly soft to touch—this is when sugar content peaks. Morning harvest yields best flavor. For end-of-season harvesting, pick all fruit at breaker stage (first hint of color) before frost; store in a cardboard box at room temperature (68-70°F) to ripen indoors over 2-3 weeks. Cherry tomatoes are best consumed fresh within 1-2 weeks of harvest.

Fun Facts

  • 🌱 Honeyheart tomatoes can contain up to 9% sugar by weight when grown in optimal sunny conditions, rivaling some dessert fruits in sweetness.
  • 🌱 Tomato plants are technically perennials in frost-free climates; indeterminate varieties like Honeyheart can live and produce for several years if protected from cold.
  • 🌱 The name 'Honeyheart' reflects both the fruit's honey-like sweetness and its tender, juicy heart—characteristics prized by heirloom tomato enthusiasts since the variety's introduction in the 1990s.

Gardening Terms

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

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