French Marigold Seeds


Plant Description:
French Marigold
Tagetes Patula
Annual, Open-Pollinated
Blooms: All Summer Long
Time to Sow: Spring
Light conditions: Full Sun
Uses: Medicinal, Companion Planting (keeps pests away)

SKU: frenchmarigold Categories: , , Tags: ,

Grow Vibrant and Colorful Gardens with French Marigold Seeds

Introduction to French Marigold Seeds

French Marigold seeds are the perfect addition to any garden, providing an array of bright, colourful, and long-lasting blooms. These easy-to-grow plants are beloved for their versatility and resilience, making them a favourite among gardeners of all skill levels. Plant French Marigold seeds in your garden for a beautiful display of colour, and enjoy their many benefits, from pest control to companion planting.

Growing French Marigold Seeds

  1. Sowing: Start French Marigold seeds indoors 6-8 weeks before the last frost date, or sow them directly in the garden after the risk of frost has passed. Plant the seeds about 1/8-inch deep, and maintain a temperature of 70-75°F (21-24°C) for germination.
  2. Germination: French Marigold seeds typically germinate within 5-14 days. Ensure the soil remains consistently moist during this period.
  3. Transplanting: Once the seedlings have developed their first set of true leaves, transplant them into individual pots or thin them out in the garden, spacing them 8-12 inches apart.
  4. Sunlight: French Marigolds thrive in full sun and well-draining soil, though they can tolerate partial shade.
  5. Watering: Keep the soil evenly moist, but be careful not to overwater, which can lead to root rot.
  6. Fertilizing: Apply a balanced, slow-release fertilizer at planting time, and then fertilize every 4-6 weeks throughout the growing season.

For detailed information on growing French Marigold seeds, please see our article here: How to Grow French Marigolds & Companion Planting.

Pest Control and Companion Planting

French Marigolds are well-known for their natural pest-control properties. These flowers produce a substance called alpha-terthienyl, which is toxic to a range of insects, including aphids, whiteflies, and nematodes. The roots of French Marigolds also release a chemical that repels harmful soil-borne nematodes, making them an excellent companion plant for vegetables, particularly tomatoes, peppers, and cucumbers.

Planting French Marigolds in and around your vegetable garden can help protect your plants from insect pests, reducing the need for harmful pesticides. They can also help improve soil health by suppressing harmful soil-borne pathogens and increasing the population of beneficial soil microorganisms.

French Marigolds are also an effective companion plant for roses, as they can help deter aphids and other pests that commonly attack roses. Planting them around the base of your rose bushes can help protect your plants and promote healthy growth.

Harvesting and Saving French Marigold Seeds

To enjoy French Marigolds year after year, you can easily harvest and save their seeds:

  1. Allow a few marigold flowers to mature and dry on the plant fully.
  2. Carefully remove the dried flower heads and gently pull them apart to reveal the seeds.
  3. Collect the seeds and spread them on a paper towel to dry them for a few days.
  4. Once the seeds are dry, store them in a cool, dark place in a labelled envelope or container.


French Marigolds are an excellent choice for any gardener seeking vibrant, long-lasting blooms and the added benefits of natural pest control. With their easy-to-grow nature and stunning colour palette, French Marigolds will make a beautiful addition to your garden or landscape.

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Seed Quantity

50 seeds, 250 seeds, 500 seeds, 1,000 seeds, 4,000 seeds


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