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Sindoor Seeds, Bixa orellana Plant Seeds

Bixa orellana • Bixaceae • Native to Tropical South/Central America

$17.49 In stock & ready to ship

Grow Sindoor Seeds, Bixa orellana for quality plants from seed. Ideal for ornamental gardens, tropical landscapes, nursery pots, natural dye plants, and rare plant collections, with fresh seed packs for reliable germination.

Plant Name: Achiote Seeds

Quantity: 100 Seeds

Selected: Achiote Seeds / 100 Seeds

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Natural product, results may vary

Germination depends on soil, temperature, moisture, and care. See our return policy for details.

Delivers in 8-16 business days
Fresh-sealed foil packets
Open-pollinated, non-GMO

At a glance

1
Sunlight Full sun
2
Water Moderate, consistent
3
Germ. temp 77-86°F (25-30°C)
4
Germination 7-10 days
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Soil type Well-drained, fertile loam
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Harvest 2-3 years (seeds)
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Lifespan Perennial evergreen
8
USDA zone 9-12

Sindoor plant care outdoors requires vigilance in cooler climates, as even a light frost can severely damage or kill an established plant, so always plan for frost protection or bring container-grown specimens indoors before temperatures drop below 10 degrees Celsius.

01

Botanical profile

Meet the Sindoor

Native to tropical regions of the Americas, bixa orellana has been cultivated for centuries by indigenous communities for body paint, food coloring, and ritual use, eventually spreading across South and Southeast Asia where it became deeply woven into cultural and religious practice. What makes this variety distinctive is its dual heritage as both a commercially important natural dye crop and a beloved garden specimen, meaning the seeds you are planting carry a long, intentional history of human cultivation behind them.
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Common name Sindoor
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Scientific name Bixa orellana
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Family Bixaceae
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Origin Tropical South/Central America
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Plant type Perennial evergreen
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Edible parts Seeds (aril/pigment)
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Flavor Subtle, peppery, earthy
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Mature size 10-26 ft tall

Step-by-step planting

Growing bixa orellana from seed is a rewarding process that asks for warmth, patience, and attention to a few key conditions in the early stages.

  1. 1
    Soak Seeds First

    Soak your sindoor seeds in warm water for 24 hours before sowing, which softens the seed coat and encourages more consistent uptake of moisture during annatto seeds germination.

  2. 2
    Prepare a Well-Draining Mix

    Fill small pots or seed trays with a mix of 60 percent good quality potting soil and 40 percent coarse sand or perlite, giving the roots airy, fast-draining conditions from the start.

  3. 3
    Sow at Shallow Depth

    Press two or three seeds into each cell at a depth of roughly 5 to 6 mm, just deep enough to cover them with a thin layer of soil while still allowing light to warm the surface above.

  4. 4
    Maintain Warm Soil Temperature

    Bixa orellana cultivation responds well to a consistent soil temperature of 25 to 30 degrees Celsius, so use a heat mat or place trays in a warm, bright spot away from cold drafts.

  5. 5
    Keep Moisture Steady

    Water gently to keep the growing medium evenly moist but never waterlogged, checking daily and using a fine mist or bottom-watering method to avoid disturbing the small seeds.

  6. 6
    Transplant After True Leaves Appear

    Once seedlings have developed two to three true leaves and are handling their pots well, move them carefully into larger containers or a prepared garden bed with rich, slightly acidic soil.

  7. 7
    Establish in Full Sun

    Choose a location with at least six hours of direct sun each day, as this natural sindoor plant grows most vigorously and flowers most freely when it receives abundant light throughout the growing season.

Year-round care

Spring

  • Sow after last frost
  • prepare soil with compost

Summer

  • Water regularly
  • feed monthly

Fall

  • Harvest before frost
  • store well

Winter

  • Rest
  • store seeds cool and dry

Full specifications

Seed type Open-pollinated, non-GMO
Scientific name Bixa orellana
Family Bixaceae
Origin Tropical South/Central America
Sun Full sun
Water Moderate, consistent
Soil type Well-drained, fertile loam
Soil pH 6.0-7.5
Germ. temp 77-86°F (25-30°C)
Days to germinate 7-10 days
Days to harvest 2-3 years (seeds)
Spacing 10-13 ft apart
Mature size 10-26 ft tall
USDA zones 9-12
Container friendly Yes, large pot
Pet safe Generally low toxicity

Shipping

  • Orders are delivered within 8 to 16 business days.
  • All orders include tracking.
  • Free shipping on all orders.
  • Seeds are packed in moisture-resistant, resealable foil packets.

Germination

Germination rates vary depending on climate, soil conditions, and care. Seeds perform best when planted in the right season at the correct temperature, with consistent moisture and adequate light. We take quality seriously and each batch is tested before packaging. If you have concerns about your seeds, reach out and we will do our best to help.

Frequently asked

Questions about Sindoor Seeds

How long do Sindoor seeds take to germinate?

Germination time for sindoor seeds varies depending on soil temperature, moisture consistency, and seed freshness, so it is difficult to give a single figure that applies to everyone. Under warm conditions around 27 to 30 degrees Celsius, many growers begin to see sprouts within 2 to 4 weeks, though some seeds may take longer. Factors like your local climate, the depth of sowing, and how steadily you maintain moisture all play a meaningful role in the outcome.

What soil is best for Sindoor plant?

Sindoor plant care starts with getting the soil right, and bixa orellana genuinely prefers a loamy, well-draining mix that is slightly acidic, roughly pH 5.5 to 6.5. It tolerates a range of soil types reasonably well but performs poorly in heavy clay that holds standing water around the roots. Adding compost at planting time improves both drainage and nutrient availability without overloading the plant.

Can Sindoor plant grow in containers?

Yes, and container growing is actually a practical approach in cooler regions because it lets you move the plant indoors when temperatures drop. Choose a pot that is at least 30 to 40 cm deep and wide to give the taproot room to develop, and make sure it has drainage holes. Keep in mind that container-grown plants will generally stay smaller than those planted in open ground, and they need more frequent watering during warm weather.

What USDA zones suit Bixa orellana?

Bixa orellana cultivation is most reliable in USDA hardiness zones 10 and above, where winters stay warm and frost is rare or absent. In zone 9, plants can sometimes recover from mild cold snaps if the roots are well established and the cold period is brief, but significant frost damage is a real risk. Gardeners in cooler zones often grow it as a large container plant or as a seasonal specimen, overwintering it in a greenhouse or sunny indoor space.

Are Sindoor seeds edible or toxic?

The seeds of bixa orellana are the source of annatto, a widely used natural food dye that colors cheeses, butter, and many other foods, so they are not toxic in any general sense. That said, the seeds themselves are not typically eaten whole or raw, and the concentrated pigment can cause mild skin staining during handling. If you have specific health concerns or allergies, it is worth consulting a professional before using any part of the plant medicinally or in food preparation.

How long until Sindoor plant produces seeds?

A sindoor plant grown from seed typically begins to flower and produce its characteristic spiky pods within 2 to 3 years under good conditions, though this timeline shifts depending on growing environment, soil fertility, and how much sun the plant receives. Plants grown in containers may take slightly longer to reach productive maturity than those in open ground. Once established and flowering, a healthy plant can produce seed pods annually each season.

How do I soak seeds before planting?

Place your kumkum tree seeds in a small cup of warm but not boiling water and leave them to soak for 18 to 24 hours in a warm spot out of direct sunlight. You will often notice the seeds swell slightly as they absorb water, which is a good sign that the seed coat is softening. After soaking, plant them promptly rather than letting them dry out again, as they are most ready to germinate right after this preparation.