• Indigo Herb Seeds for planting with true indigo foliage and pink-purple flowers
  • Indigo Herb Seeds for planting with true indigo foliage and pink-purple flowers
  • Indigo Herb Seeds for planting with true indigo foliage and pink-purple flowers
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EdenValleySeeds

Indigo Herb Seeds for Planting – True Indigo Natural Dye Garden Seeds

Indigo Herb Seeds for Planting – True Indigo Natural Dye Garden Seeds

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$18.89 USD
$18.89 USD
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DELIVERY ESTIMATE
Oct 21 – Oct 23 Estimated arrival
ORDER Oct 11 Order placed
ORDER READY Oct 13 – Oct 14 2–3 business days
DELIVERED Oct 21 – Oct 23 10–12 business days total
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Key Features

  • True indigo variety with attractive green, pinnate foliage and compact growth.
  • Produces small pink to purple flowers in slender clusters during warm growing periods.
  • Grows as an upright, branching herbaceous shrub in suitable warm climates.
  • Excellent choice for dye gardens, educational gardens, cottage gardens, and ornamental planting.
  • Leaves contain compounds traditionally processed to produce natural indigo blue dye.

Growing Benefits

  • Adds distinctive foliage and delicate flowers to warm-climate gardens.
  • Offers an interesting plant for learning about traditional natural dyeing.
  • Suitable for garden spaces dedicated to useful and historically important plants.
  • Can provide seasonal interest through its flowers, foliage, and seed pods.
  • As a legume, it can form associations with nitrogen-fixing bacteria in the soil.

Seed Specifications

Common Name: True Indigo, Indigo, Dyer's Indigo
Botanical Name: Indigofera tinctoria
Plant Type: Shrubby herb / perennial in warm climates
Colors: Green foliage; pink, purple, or reddish flowers
Height: About one to two metres, depending on growing conditions
Sunlight: Full sun to partial shade
Soil: Well-drained soil; neutral to mildly variable soil conditions are tolerated
Water: Moderate and consistent moisture; avoid waterlogging
Germination Time: About four to five days under suitable conditions
Sowing Depth: About one to two centimetres
Spacing: About thirty centimetres between rows
Growing Zones: Generally suited to warm USDA Zones ten through twelve
Flowering/Maturity: Flowering may begin about three to four months after sowing under suitable conditions
Uses: Natural dye garden, ornamental planting, educational gardens, traditional dye production

Growing Tips

  • Sow seeds in warm soil after the danger of frost has passed.
  • Choose a sunny location with good drainage and protection from prolonged waterlogging.
  • Keep the seedbed evenly moist while seeds are establishing, without making the soil soggy.
  • Provide enough space around plants for airflow and healthy branching.

Seed Storage

Store unused seeds in a cool, dry, dark place. Keep them in a tightly sealed, moisture-resistant container away from heat and direct sunlight. Avoid storing seeds in damp conditions or places with frequent temperature changes.

Unique Facts About Seeds

  • True indigo is one of the historically important plants used to produce natural blue indigo dye.
  • The species belongs to the legume family, Fabaceae.
  • Its seed pods are slender and can contain several seeds; botanical references describe pods with multiple seeds.
  • Indigofera tinctoria forms relationships with nitrogen-fixing bacteria through root nodules.

Growing Instructions

Planting Season: Sow during warm weather after the risk of frost has passed. True indigo performs best in tropical and subtropical conditions.

Sowing: Sow the seeds directly into prepared soil or start them in containers before transplanting. Place seeds at a depth of about one to two centimetres.

Spacing: Maintain approximately thirty centimetres between rows and provide sufficient room for the plants to develop their branching habit.

Sunlight: Grow in full sun for strong growth, although partial shade can also be tolerated.

Soil: Use fertile, well-drained soil. Avoid areas where water remains around the roots for extended periods.

Watering: Keep the soil consistently moist while seedlings establish. Once established, the plant can tolerate some dry conditions, but consistent moisture supports active growth and flowering.

Germination: Under suitable conditions, seeds may germinate within about four to five days.

Transplanting: If started indoors or in containers, transplant young plants carefully after they have established and outdoor temperatures remain warm.

Fertilizing: Begin with fertile, well-prepared soil. Avoid excessive fertilization; a balanced garden fertilizer can be used according to its label when plants show a need for additional nutrition.

Care: Keep the growing area weed-free and maintain good airflow around the plants. Avoid excessive irrigation and prolonged wet soil.

Flowering and Maturity: Flowering can begin roughly three to four months after sowing under favorable conditions. The plant develops flowers followed by slender seed pods.