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Siam Basil Seeds – Thai Basil, Heirloom, Culinary Herb, Non-GMO

354 Ratings
Original price $3.99 - Original price $3.99
Original price
$3.99
$3.99 - $3.99
Current price $3.99

Siam Basil (Ocimum basilicum var. thyrsiflora), commonly known as Thai Basil, is a sought-after heirloom herb that is both ornamental and culinary. It is known for its bold, anise-like aroma and spicy-sweet flavor, making it a key ingredient in Thai, Vietnamese, and Southeast Asian cuisine. With purple stems, deep green leaves, and vibrant pink flowers, Siam Basil is not only a flavorful addition to dishes but also a stunning feature in container gardens and herb beds.

This open-pollinated basil is heat-tolerant, thrives in full sun, and resists bolting, ensuring a prolonged harvest season. Whether you are growing basil for its culinary value or its ornamental appeal, Siam Basil is an excellent choice for any garden.


Why Grow Siam Basil?

  • Authentic Thai Flavor – A perfect addition to curries, stir-fries, and soups.

  • Beautiful & Aromatic – Deep purple stems and fragrant pink flowers enhance any garden.

  • Heat & Drought Tolerant – Thrives in warm climates and resists bolting.

  • Perfect for Containers – Grows well in pots and raised beds.

  • Pollinator-Friendly – Attracts bees, butterflies, and beneficial insects.

  • High Yield – Continues producing fresh leaves all season with regular harvesting.


How to Grow Siam Basil from Seeds

1. Planting Siam Basil Seeds

  • Sowing Time: Start seeds indoors 4-6 weeks before the last frost or directly outdoors after the soil reaches 70°F (21°C).

  • Germination: Seeds sprout within 5-10 days when provided with warmth and moisture.

  • Depth & Spacing: Sow seeds 1/4 inch deep, spacing plants 12-18 inches apart.

  • Light Requirements: Prefers full sun (at least 6-8 hours daily).

  • Watering Needs: Keep soil evenly moist but avoid overwatering.

2. Caring for Siam Basil Plants

  • Sunlight: Requires direct sun for robust growth and enhanced flavor.

  • Soil: Prefers well-draining, nutrient-rich soil with a pH of 6.0-7.5.

  • Fertilization: Apply organic compost or a balanced fertilizer (10-10-10) every few weeks.

  • Mulching: Helps retain moisture and control weeds.

  • Pruning & Harvesting: Pinch off flower buds to promote leaf production.

  • Pest Control: Watch for aphids and whiteflies; use neem oil for organic pest management.

3. Harvesting & Storing Siam Basil

  • Harvesting Time: Begin harvesting when plants reach 6-8 inches tall.

  • How to Harvest: Cut stems just above a pair of leaves using sharp scissors.

  • Preservation Methods:

    • Fresh: Use immediately for best flavor.

    • Dried: Air-dry or use a dehydrator for long-term storage.

    • Frozen: Store in olive oil cubes for later use.


Culinary Uses of Siam Basil

Siam Basil is an essential herb in Southeast Asian cooking, adding depth to a variety of dishes:

  • Thai Basil Chicken (Pad Krapow Gai)

  • Pho & Vietnamese Spring Rolls

  • Thai Green Curry & Stir-Fries

  • Basil-Infused Oils & Vinegars

  • Fresh Salads & Garnishes

  • Herbal Teas & Refreshing Drinks


Companion Planting with Siam Basil

Pairing Siam Basil with other plants can enhance garden productivity:

  • Tomatoes: Enhances flavor and deters pests.

  • Peppers: Shares similar growing conditions and benefits from pest protection.

  • Oregano & Rosemary: Complements in an herbal garden.

  • Marigolds: Acts as a natural pest deterrent.


Interesting Facts About Siam Basil

  • This Thai heirloom basil variety is a staple in authentic Thai cooking.

  • It differs from Sweet Basil by having stronger licorice and anise notes.

  • The purple-stemmed variety makes it a visually stunning ornamental herb.

  • Can be grown year-round in warm climates and is highly resistant to drought.


About Our Siam Basil Seeds

We offer premium-quality heirloom basil seeds for gardeners and chefs alike.

  • Non-GMO & Open-Pollinated – Grown using sustainable methods.

  • Untreated & Chemical-Free – Free from pesticides & fungicides.

  • Eco-Friendly Packaging – Resealable packets made from recycled materials.

  • Germination Guarantee – Regularly tested for high success rates.

Package Quantity:

  • 2g (Min. 100 Seeds)


Customer Reviews

  • “This basil is a must-have for Thai cooking! The fragrance and flavor are unmatched.”

  • “Easy to grow in containers! The deep purple stems and pink flowers are stunning.”

  • “I use it fresh in my curries and stir-fries. Best Thai basil I’ve grown so far!”


Order Your Siam Basil Seeds Today

Grow fresh, flavorful Siam Basil in your garden and elevate your culinary dishes. Whether you’re a beginner gardener or a seasoned chef, these heirloom seeds offer a rewarding experience.

Buy Siam Basil Seeds Now

 

Real Stories From Real People

I had a great experience with Seed Nerds! The seeds I ordered were well-packaged, and they started germinating within days. The quality is excellent, and I’m thrilled to see my garden growing so beautifully. I’ll definitely be ordering from them again!

James T.

Seed Nerds has an impressive variety of seeds to choose from. I was able to find unique flower and vegetable seeds that I couldn’t find anywhere else. The range is amazing, and it allowed me to diversify my garden with some rare plants. Highly recommend!

Rachel P.

Shopping with Seed Nerds was an absolute pleasure. The website was easy to navigate, and the delivery was timely. I received exactly what I ordered, and everything was neatly packaged. The customer service was also very helpful when I had questions about my order. Great experience all around!

Michael L.