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Plant library  ·  Annual Flowers

French Marigold

Tagetes patula

French marigold is a compact annual that brings a low, defined layer to sunny planting plans. At about 1 foot tall and wide, it suits the front of ornamental beds, the perimeter of vegetable beds, and containers where its rounded footprint can be repeated in a clear rhythm. Its flowering season runs from early summer into fall, giving a planted edge a long period of occupancy without adding height that obscures neighboring crops or flowers.

Sunlight Full Sun
Water Moderate
Planning spacing 0.75 ft
Typical mature size 1 ft tall, 1 ft wide
Typical bloom Early summer - fall

French Marigold spacing and mature footprint

Space French Marigold 9 inches apart, measured center to center (23 cm).

The mature spread is about 12 inches (30 cm), so plants set at that distance grow together into a closed canopy over the bed.

Treat 9 inches as a planning baseline — cultivar and local growing conditions shift the final footprint.

Compare with the full annual flower spacing chart

Three plants set 0.75 ft apart, center to center; shaded circles show the 1 ft mature spread.

Placement and use

Use French marigold along bed fronts, at path-side corners, or in short repeated runs that visually finish a planting area. Keep the plants inside the bed edge rather than letting their mature width spill into a narrow walking route; a planted strip about 1 foot deep gives each plant room while preserving circulation. In containers, place it near the outer rim or as a low middle layer beneath taller plants, leaving enough open surface for watering.

Spacing and mature footprint

Set plants 9 inches apart, center to center, for a closely filled edging or a compact block of color. Each plant can reach about 1 foot wide, so this spacing allows neighboring crowns to knit together as they mature rather than remaining as separate dots. For a looser outline beside vegetables or along a path, retain a clear strip beyond the planting line so foliage and spent flowers remain easy to reach.

Sun, water, and soil

Reserve an open, full-sun position with well-drained soil. Water regularly during dry periods, especially where plants are confined by container walls or compete with larger nearby roots, while avoiding a persistently wet planting pocket. A bed that drains freely also makes it easier to maintain a tidy low edge through the flowering season.[1][2]

Seasonal notes

This annual occupies its space for one growing season, with blooms from early summer through fall. Build it into seasonal gaps at the front of beds or around warm-season vegetables, then plan for the planting to be cleared and replanted after frost ends its display. Removing spent flower heads regularly helps extend the flowering period and keeps formal edging looking deliberate.[1][2]

Growing facts

Botanical name
Tagetes patula
Type
Annual
Category
Annual Flowers
Lifecycle
annual
Sunlight
Full Sun
Water
Moderate
Planning spacing
0.75 ft
Typical mature size
1 ft tall, 1 ft wide
Typical bloom season
Early summer - fall
Plan a garden with french marigold

References

  1. French Marigold - Tagetes patula — North Carolina Extension Gardener Plant Toolbox
  2. Tagetes patula | French marigold — Royal Horticultural Society