Hero Yellow

French Marigold

Zone 6b Save Garden

🌱 60d to harvest Clumping

Sunlit and unapologetically bright, Hero Yellow blooms in velvety, warm golden-gold pom-poms that seem to glow even on the calmes…

Crop Dates

Milestone	Date
Start Indoors	Mar 14th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Jun 6th
Harvest Begins	Aug 5th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Clumping
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	55
Min Night Temp (°F)	50
Harden Off (days)	7

Recommended Companions

Genovese Compact Improved Basil

Lettuce Leaf Basil Basil

Dwarf Greek Basil Basil

Nanling Carrot

Clove Basil Basil

Hercules Carrot

Frequently Asked Questions

What pest or disease is most common on Tagetes patula (French marigold) and how do I treat it?

A frequent issue is powdery mildew (white, dusty patches on leaves), especially in humid weather with poor airflow. Remove and discard badly infected leaves, water at the soil surface, and space plants for good circulation; if it keeps spreading, spray with a potassium bicarbonate or horticultural fungicide following the label. Slug damage can also occur—hand-pick at dusk or use iron-phosphate bait around the base.

How often should I water Tagetes patula during its main growing phase?

During active growth (roughly weeks 3–8), keep the soil evenly moist but not soggy—water when the top 1 inch feels dry. Aim for deep watering so moisture reaches the root zone, then let the soil surface dry slightly before the next watering to prevent rot and mildew. In full sun, this often means watering about 1–2 times per week, depending on heat and container size.

How can I tell when Tagetes patula (Hero Yellow) is ready to harvest or should I pick flowers?

Tagetes patula is ready to harvest for cut flowers when individual blooms are fully formed and brightly colored, typically around 60 days from sowing/establishment. Pick flowers in the morning and when the petals are open but before they start to look ragged or fade; regular deadheading (removing spent blooms) also keeps it producing new flowers. For seed saving, leave a few blooms until the seed heads dry on the plant and turn brown before collecting.

Sunlit and unapologetically bright, Hero Yellow blooms in velvety, warm golden-gold pom-poms that seem to glow even on the calmest days. The flowers are richly layered with a compact, tidy form, offering a dense texture that holds its shape beautifully from bud to peak bloom. Grow Hero Yellow for showy, long-lasting color in beds and borders, and for companion planting where its cheerful presence enlivens the whole garden palette.

Sowing Tips

Transplant Conditions

Wait until soil reaches 55°F and nights stay above 50°F before moving outdoors. Harden off for 7 days first.

Expert Note

For best double blooms, provide full sun and avoid over-fertilizing—marigolds bloom longer with moderate feeding.