Carob Tree (Ceratonia siliqua)

Carob Tree

Ceratonia siliqua

Its pods hold sweet, nutrient-dense pulp—practical beauty and sustenance. Evergreen drought-tolerant tree; common names: St John's Bread, locust bean tree.

Full sun
1/week
Moderate
🌱

Plant Needs

☀️
Sunlight Full sun exposure for optimal growth and fruiting; tolerates partial shade but reduces pod production
💧
Watering Deep, infrequent watering; drought-tolerant once established; avoid waterlogged soil
🌡️
Temperature Hardy to mild frosts; thrives in warm, arid to semi-arid Mediterranean-like climates
🔍

Characteristics

  • Leaf: Alternate, pinnately compound; leathery, dark green leaflets with glossy surface
  • Flower: Small, greenish-white, unisexual; clustered in axillary racemes
  • Fruit: Brown, elongated pods with sweet, edible pulp and hard seeds
🛠️

Care Guide

Watering

Deep water every 2–3 weeks; allow soil to dry between waterings

Fertilization

Light, balanced organic feed once every 2 months. Avoid high-nitrogen fertilizers to prevent excessive foliage growth at the expense of fruiting

Banana peel compost tea:Use fully composted banana peels; dilute 1:20 with water for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Thin crowded branches in late winter to improve airflow and light penetration
  • Remove dead or damaged wood annually to maintain tree health
  • Shape young trees to establish a strong, open canopy for better fruiting
  • Prune base suckers regularly to prevent overcrowding and maintain tree form
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported adverse effects

Humans: No known toxic effects to humans; edible pulp is safe for consumption

📖

Garden Uses & Culture

Culture: Symbolizes sustenance and longevity in Mediterranean folklore; historically used as a famine food

Usage: Edible pod pulp for sweeteners and human consumption; seeds processed into locust bean gum for food and industrial uses; ornamental shade tree