How to Grow Blaue Honig Tomato

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Blaue Honig Tomato

Solanum lycopersicum 'Blaue Honig'

vegetable

Blaue Honig is a German heirloom tomato variety known for its distinctive dark blue-purple coloring and rich, complex flavor with sweet undertones. The medium-sized fruits (3-4 oz) have an unusual deep indigo hue fading to red at the base, making them visually striking in gardens and kitchens. This determinate bush variety produces prolifically and is beloved by gardeners seeking unique, gourmet-quality tomatoes.

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

Plant Blaue Honig Tomato
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Blaue Honig Tomato
Around Jun 26

≈ 70 days after planting

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

Growing Conditions

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Sun: Full sun, 6-8 hours daily minimum (8+ hours preferred for best flavor)

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Water: Consistent moisture; provide 1-1.5 inches per week via drip irrigation or deep soaking. Keep soil evenly moist but not waterlogged. Water at soil level to minimize disease. More frequent watering in hot climates.

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Spacing: 24-36 inches between plants; rows 36-48 inches apart inches

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Days to maturity: 70-85 days from transplant

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Planting depth: Start seeds 0.25 inches deep indoors 6-8 weeks before last frost; transplant seedlings at 2-3 inches deep when they have true leaves

Soil

Type: Well-draining, fertile loamy soil rich in organic matter

pH: 6.0-6.8

Amendments:

Compost or aged manure Balanced fertilizer (5-10-10) Calcium (crushed eggshells or lime) to prevent blossom end rot Perlite for drainage if soil is clay-heavy

Growing Zones

Find your zone →

Thrives in zones 5-9; can be grown in zones 3-4 with season extension

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

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Growth Stages

Seedling

3-4 weeks indoors

Tiny plants with cotyledons and emerging true leaves; fragile and pale green

Maintain soil moisture, provide 12-16 hours of bright light daily, ensure good air circulation, fertilize with diluted liquid fertilizer every 2 weeks

Vegetative

3-4 weeks after transplanting

Rapid foliage growth; plants develop compound leaves and sturdy stems after transplanting to garden

Provide sturdy support or caging early, pinch off lower leaves once plant is established, remove suckers on determinate varieties if desired, maintain consistent watering and feeding with balanced fertilizer

Flowering

2-3 weeks

Yellow flower clusters appear at leaf axils; plant reaches full height for determinate type

Reduce nitrogen to encourage flowering; shift to phosphorus-rich fertilizer (e.g., 5-10-10), maintain consistent moisture to prevent flower drop, ensure pollinator access or shake gently for pollination

Fruiting

3-4 weeks

Small green fruits develop and grow; characteristic dark blue-purple coloring appears as fruits mature

Support branches with ripening fruit, continue consistent watering, mulch to regulate soil temperature, prune excessive foliage only if necessary for air circulation, monitor for pests

Harvest

2-4 weeks of continuous harvest

Fruits fully mature with deep blue-purple coloring and slight give when gently squeezed; sweet honey-like flavor fully developed

Harvest when fully colored (mostly dark purple/blue); can harvest at pink stage for ripening indoors if needed, continue watering until end of season for successive ripening, store at room temperature to enhance flavor

Companion Planting

Plan your garden →

Plant with:

Basil Parsley Carrot Onion Marigold Nasturtium Borage Chives

Avoid planting near:

Brassicas (cabbage, broccoli, cauliflower) Fennel Potatoes Other tomato varieties (for disease management)

Common Pests

Hand-pick in early morning or late evening; encourage parasitic wasps; use Bt (Bacillus thuringiensis) spray if infestation is severe
Use yellow sticky traps; spray with neem oil or insecticidal soap; encourage beneficial insects; remove heavily infested leaves
Mist plants regularly to increase humidity; spray with neem oil or sulfur dust; remove heavily affected foliage; ensure good air circulation
Remove lower leaves as plants grow; improve air circulation; mulch to prevent soil splash; apply copper fungicide preventatively; avoid overhead watering
Choose resistant varieties when possible; remove infected foliage immediately; apply chlorothalonil or copper fungicide; ensure good spacing and air flow

Uses

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Gourmet Fresh Eating & Slicing

Culinary

Blaue Honig tomatoes offer a unique sweet, complex flavor with subtle smoky undertones and low acidity, making them exceptional for fresh eating, slicing into salads, or showcase plating. The striking blue-purple coloring adds visual drama to culinary presentations. [source]

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Sauce & Preservation

Culinary

Their concentrated, honey-like sweetness makes them excellent for making specialty tomato sauces, jams, and preserves. The unique flavor profile creates distinctive condiments and cooking ingredients. [source]

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Ornamental Garden Feature

Craft

The unusual dark blue-purple coloring makes Blaue Honig both a productive vegetable and an ornamental plant feature. They're popular for display in kitchen gardens and photo-worthy harvests. [source]

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Anthocyanin-Rich Superfood

Medicinal

Like other blue and purple tomatoes, Blaue Honig contains elevated levels of anthocyanins, the beneficial antioxidant compounds responsible for its dark coloring. These compounds are associated with anti-inflammatory and cardiovascular health benefits. [source]

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Pollinator Support

Wildlife

Tomato flowers attract bees and other pollinators while growing in the garden, providing nectar and supporting local pollinator populations. [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 fully colored deep blue-purple with a slight give to gentle pressure. For best flavor, allow fruits to fully ripen on the vine. Blaue Honig tomatoes continue to ripen after picking. Can harvest at the pink stage and ripen indoors if frost threatens. Regular harvesting encourages continued production. Store at room temperature rather than refrigeration to preserve complex flavor.

Fun Facts

🌱 Blaue Honig means 'Blue Honey' in German, named for its unique dark blue-purple coloring and distinctly sweet, honey-like flavor profile that sets it apart from typical red tomatoes.
🌱 The blue-purple coloring in Blaue Honig comes from anthocyanins, the same beneficial compounds found in blueberries, making it one of the few truly 'superfood' tomato varieties.
🌱 This variety originated in Germany and is prized by heirloom tomato enthusiasts worldwide; seed saving is easy as it's a stabilized open-pollinated variety with true-breeding characteristics.

Gardening Terms

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

Full Sun Heirloom Mulch pH Pollination Sucker Transplant True Leaves

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