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Eden Valley Seeds

Carob Tree Seeds – Ceratonia siliqua Mediterranean Evergreen Tree

Carob Tree Seeds – Ceratonia siliqua Mediterranean Evergreen Tree

Regular price $16.99 USD
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Key Features

  • Mediterranean Tree: Carob is an evergreen tree traditionally grown in Mediterranean regions.

  • Distinctive Foliage: Features glossy, dark green compound leaves with a leathery texture.

  • Decorative Flowers: Produces small, inconspicuous flowers on mature trees.

  • Unique Seed Pods: Develops long, thick pods that turn brown when mature.

  • Garden and Landscape Use: Suitable for warm-climate gardens, orchards, and ornamental landscapes.

Growing Benefits

  • Adds attractive evergreen foliage to gardens throughout the year.

  • Provides a distinctive Mediterranean character to warm-climate landscapes.

  • Produces interesting pods that can be harvested when mature.

  • Offers an opportunity to grow a traditional Mediterranean fruit tree.

  • Develops a strong root system when established in suitable soil.

Seed Specifications

  • Common Name: Carob, Carob Tree, Locust Bean, St. John's Bread

  • Botanical Name: Ceratonia siliqua

  • Plant Type: Evergreen perennial tree

  • Colors: Dark green foliage, reddish-green flowers, brown mature pods, shiny brown seeds

  • Height: Generally grows around eight to fifteen metres, depending on growing conditions

  • Sunlight: Full sun

  • Soil: Well-drained sandy, loamy, or calcareous soil

  • Water: Moderate watering during establishment; drought-tolerant once established

  • Germination Time: Approximately two to five weeks under suitable conditions; hard-coated seeds may take longer

  • Sowing Depth: Around one to one-and-a-half centimetres

  • Spacing: Allow approximately seven to ten metres between mature trees

  • Growing Zones: Best suited to warm, Mediterranean-type climates; approximately USDA zones nine to eleven

  • Flowering/Maturity: Flowers develop on mature trees; pods generally take about a year to develop and ripen

  • Uses: Ornamental landscaping, shade, edible pods, livestock fodder, and traditional food applications

Growing Tips

  • Prepare Seeds Before Planting: Gently scarify the hard seed coat and soak seeds in warm water to encourage water absorption.

  • Choose a Sunny Location: Select a bright, open location with plenty of direct sunlight.

  • Avoid Waterlogged Soil: Use well-draining soil to protect developing roots from excessive moisture.

  • Handle Seedlings Carefully: Transplant young plants with their root ball intact to avoid damaging the developing taproot.

Seed Storage

  • Store carob seeds in a cool, dry location.

  • Keep seeds inside an airtight container to protect them from moisture.

  • Avoid direct sunlight and excessive heat during storage.

  • Label the container with the seed name and storage date.

  • Keep stored seeds away from humidity and insects.

Unique Facts About Carob Seeds

  • Mediterranean Heritage: Carob trees are native to the Mediterranean region and have been cultivated for centuries.

  • Chocolate Alternative: The sweet pulp inside mature carob pods is dried and ground into carob powder, commonly used as a cocoa alternative.

  • Distinctive Seeds: Carob seeds have hard, shiny brown seed coats and are naturally resistant to water absorption.

  • Historic Carat Connection: Carob seeds were historically associated with the carat weight system because of their relatively uniform size and weight.

Growing Instructions

Planting Season

  • Sow seeds during spring or early summer when temperatures are consistently warm.
  • Choose a warm location protected from cold winds and frost.

Seed Preparation and Sowing

  • Carob seeds have a naturally hard outer coating that can delay germination.
  • Carefully nick or lightly abrade the seed coat without damaging the inner seed.
  • Soak seeds in warm water before sowing.
  • Plant seeds approximately one to one-and-a-half centimetres deep in individual pots containing well-draining seed-starting mix.

Spacing and Sunlight

  • Provide bright sunlight and gradually acclimatize young seedlings to full sun.
  • Allow sufficient space for the tree's broad mature canopy.
  • Leave generous spacing between trees when planting in an orchard.

Soil and Watering

  • Use sandy, loamy, or slightly alkaline soil with good drainage.
  • Water after sowing to maintain consistent moisture.
  • Keep the growing medium lightly moist during germination without making it soggy.
  • Once established, carob trees tolerate dry conditions and require less frequent watering.

Germination and Transplanting

  • Germination may occur within a few weeks under favourable conditions.
  • Some seeds may take considerably longer because of their hard seed coats.
  • Grow seedlings in individual deep containers to accommodate their developing taproots.
  • Transplant carefully once seedlings are strong enough, keeping the root ball undisturbed.

Fertilizing and Plant Care

  • Apply a light, balanced fertilizer during active growth if the soil requires additional nutrients.
  • Avoid excessive nitrogen fertilization.
  • Remove damaged or crossing branches when necessary.
  • Maintain good drainage and protect young trees from frost.

Flowering and Maturity

  • Carob trees take several years to reach reproductive maturity when grown from seed.
  • Mature trees produce small flowers, generally on older branches and woody stems.
  • Female flowers require suitable pollination to produce pods.
  • Mature pods become thick, leathery, and brown as they ripen.