Not edible
Mild skin irritant, minor digestive upset if ingested by pets
French Marigold
Tagetes patula
Plant out 1 week after your last spring frost. Space plants 6 in (15 cm) apart.
Photo: George Chernilevsky, Public domain · source
When to plant
Timed from your frost dates, so it holds wherever you garden. Give yours and every step below becomes a date.
Optimal Transplant Purchased Seedling
From a plantRecommended from a plant- Plant out1 week after your last spring frost
- First harvestabout 50 days after planting out
Optimal Indoor Start
From seedRecommended from seed- Start indoors5 weeks before your last spring frost
- Begin hardening offaround your last spring frost
- Plant out1 week after your last spring frost
- First harvestabout 55 days after sowing
Optimal Transplant
From seed- Plant out1 week after your last spring frost
- First harvestabout 55 days after planting out
Optimal Direct Sow
From seed- Sow outdoors2 weeks after your last spring frost
- First harvestabout 55 days after sowing
Growing french marigold
- Spacing in the row
- 6 in (15 cm)
- Between rows
- 12 in (30 cm)
- Planting depth
- 1/4 inch
- Sun
- Full Sun
- Soil
- Well-drained, adaptable to various soil types, pH balanced.
- Germination
- 5-10 days at 70-75°F
- Harvest season
- Summer to Fall
- Mature height
- 6-18 inches
- Life cycle
- Annual
Sow seeds shallowly, cover lightly, maintain consistent moisture for germination.
Watering. Keep consistently moist until established, then allow soil to dry slightly between waterings. Avoid overhead watering to prevent mildew.
Neighbours
The companion chart →Feeding
- Seedlings
- Light liquid feed once true leaves appear, at half strength.
- Growing
- Low to moderate, balanced liquid fertilizer every 4-6 weeks.
- Flowering and fruiting
- Balanced fertilizer, slightly higher in phosphorus, to encourage continuous blooming.
- How often
- Every 4-6 weeks once established for granular; every 2-3 weeks for liquid.
- Note
- Over-fertilization can reduce flower production and promote excessive leafy growth.
Your french marigold, planned to the day.
Canopy turns these timings into dates from your own frost data, places every plant at its spacing on your garden map, and tracks it all the way to harvest.