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How to grow pot marigolds

Frost-hardy · Daisy family

When to sow and plant

  • Start indoors 22 February – 8 March
  • Plant out 19 April – 3 May

Based on: average for Germany, last frost 19 April, safe from 6 May

Planting calendar for your area
Where the dates come from

The weeks come from our sources; the dates use the average frost in Germany. Enter a German postcode to get dates for your area.

  • Start indoors: 6–8 weeks before the last frost (UW–Madison Extension Horticulture: Calendula, Calendula officinalis)
  • Plant out: 0–2 weeks after the last frost (Utah State University Extension: Calendula in the Garden)

Good and bad neighbours

Good neighbours · 1

  • CarrotStudy· B

    In the same trial, carrots next to pot marigolds had the least nematode damage.

    B: Hint from one study

    Carrot

Crop rotation

After the daisy family, leave the bed free of it for at least 3 years.

  • The same species should go back to the same spot after a break of 3 years at the earliest.
  • Example: grown here in 2026, again from 2030.

At a glance

Family
Daisy family (Asteraceae)
Frost
Hardy, tolerates frost
Spacing (row × plant)
– × 20 cm (– × 8 in)
Life cycle
Annual

Questions and answers

When can I plant out pot marigolds?

Plant out, average for Germany: 19 April – 3 May. Enter a German postcode above for your area, or your own frost date in the planting calendar.

How far apart should I plant pot marigolds?

– × 20 cm (– × 8 in) (row × plant), according to Utah State University Extension: Calendula in the Garden.

What grows well next to pot marigolds?

Carrot: Good neighbour (B).

How long a break do pot marigolds need in the same bed?

After the daisy family, leave the bed free of it for at least 3 years. The same species should go back to the same spot after a break of 3 years at the earliest.

More from the daisy family

Sources

Show 7 sources
  1. RHS Find a plant: Calendula officinalis
  2. UW–Madison Extension Horticulture: Calendula, Calendula officinalis
  3. Utah State University Extension: Calendula in the Garden
  4. Südtiroler Bauernbund: Merkblatt Fruchtfolgen im Gemüsebau (Oktober 2022)
  5. Landwirtschaftskammer Schleswig-Holstein: Fruchtfolge im Garten (Gartenmerkblatt, 2020)
  6. GBIF Backbone Taxonomy (über die GBIF-API, species/match)
  7. Jankowska, Jędrszczyk, Poniedziałek 2012: Effect of intercropping carrot with French marigold and pot marigold on the occurrence of some pests and quality of carrot yield. Acta Agrobotanica 65(4): 133–138 (Abstract via AGRIS)

Retrieved on 23 October 2026. Facts in our own words, one source per value.