Tomato Plant (Lycopersicon esculentum)

Tomato Plant

Lycopersicon esculentum

Juicy red fruits burst with sun-warmed sweetness, a staple of kitchen gardens. Herbaceous annual; common name: tomato.

Full sun
2–3/week
Beginner
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Plant Needs

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Sunlight Requires full sun for optimal fruit production; provide partial shade during extreme midday heat to prevent sunscald on fruit.
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Watering Water deeply at the base to avoid wetting foliage, which can trigger fungal disease; allow the top 2–3 cm of soil to dry between waterings.
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Temperature Thrives in 20–28℃; frost will kill plants, and temperatures above 32℃ may cause blossom drop and reduced fruiting.
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Characteristics

  • Leaf: Compound pinnate leaves with serrated edges and fuzzy, glandular hairs
  • Flower: Small, bright yellow star-shaped blooms in clusters of 5–10
  • Fruit: Rounded or oblong berries; green when unripe, ripening to red, yellow, or orange
  • Stem: Hairy, branching stems; indeterminate varieties produce long, trailing vines
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Care Guide

Watering

Maintain consistent soil moisture during fruiting to prevent blossom end rot; avoid overwatering to prevent root rot

Fertilization

Apply balanced, slow-release fertilizer at planting; side-dress with compost every 2 weeks. Avoid high-nitrogen fertilizers, which can promote leaf growth over fruit production.

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours; dilute the tea 1:20 with water before applying to the root zone; discard solid peels to prevent pest infestations.
Pruning
  • Remove suckers (side shoots) from indeterminate varieties to focus energy on fruit production
  • Trim yellowing lower leaves to improve airflow and reduce fungal disease risk
  • Stake or cage vining varieties to support heavy fruit clusters and prevent fruit rot
  • Harvest ripe fruit regularly to encourage continued blooming and fruiting
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Unripe fruit and foliage contain glycoalkaloids; ripe tomatoes are non-toxic. Large ingestions may cause vomiting, diarrhea, or weakness.

Humans: Unripe fruit and foliage contain solanine; ripe fruit is non-toxic. Ingesting large amounts of unripe material may cause oral irritation or nausea.

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Garden Uses & Culture

Culture: Symbolizes homegrown nourishment and abundance in many culinary traditions.

Usage: Ripe fruit is a culinary staple, eaten raw or cooked in sauces, salads, and soups; foliage is not edible.