Marigold
Tagetes patula • Asteraceae
🌱 Seed Category
Flower
🌍 Origin Region
Mexico and Central America; adapted globally in temperate and tropical regions.
📅 Days to Maturity
50-60 days from sowing to bloom; long harvest window through first frost.
🌡️ Hardiness Zones
USDA Zones 2-11 (Annual); very frost sensitive.
About This Seed
Slender, needle-like seeds (achenes), approx 0.5-1cm long, typically dark brown or black at the base with a lighter tan/straw-colored tufted end. The resulting plant is bushy with deep green, pinnate leaves and vibrant orange, yellow, or maroon flowers.
Growing Information
Growing Season
Spring to Summer; sow after last frost or start indoors 6-8 weeks prior.
Germination
5-10 days; 70-75°F (21-24°C); high germination rate; requires light to germinate (sow shallowly). No pre-treatment needed.
Planting Instructions
Depth: 1/16 to 1/8 inch; Spacing: 8-12 inches; Soil: Well-drained loam; pH: 6.0-7.0.
Sunlight & Water Needs
Full Sun (6+ hours); moderate watering but drought-tolerant once established; avoid overhead watering to prevent rot.
Companion Plants
Beneficial for Tomatoes, Peppers, and Eggplants (repels pests); avoid planting near Legumes (can inhibit growth of some beans).
Special Characteristics
Contains alpha-terthienyl which repels root-knot nematodes; attracts bees and butterflies; edible petals; medicinal use for skin inflammation.