Pot marigold: when to sow, plant and see it flower
Sowing, planting and flowering dates for your climate, with growing advice.

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When to sow and plant in your region
Average dates, computed from the frost dates of each climate. For your exact dates, choose your town.
| Climate | Sow under cover | Sow outdoors | Flowering |
|---|---|---|---|
| South and east of England | 9 February – 1 March | 23 March – 21 June; 4 September – 3 November | 23 May – 3 December |
| South-west England and Wales | 29 January – 18 February | 12 March – 10 June; 20 September – 19 November | 12 May – 19 December |
| Midlands, northern England and Northern Ireland | 20 February – 12 March | 3 April – 2 July; 29 August – 28 October | 3 June – 27 November |
| Scotland | 2 March – 22 March | 13 April – 12 July; 20 August – 19 October | 13 June – 18 November |
| Ireland | 6 February – 26 February | 20 March – 18 June; 11 September – 10 November | 20 May – 10 December |
Growing
- Life cycle
- Annual (sown and in flower the same year)
- Family
- Asteraceae
- Latin name
- Calendula officinalis
- Cold tolerance
- Hardy (withstands frost)
- Emergence
- 5–10 days
- Spacing
- 25 cm
Sources
- The Old Farmer's Almanac — Companion planting chart
- Orto Da Coltivare — Cosa piantare vicino ai pomodori
- Oregon State University Extension (news, 23 March 2018) — Practice the good neighbor policy in the garden
- RHS — Three ways to use companion planting
- RHS — Plant pages (hardiness ratings H1-H7)
- University of Illinois Extension — Annuals
- NC State Extension Gardener Handbook — 10. Herbaceous Ornamentals
- Gerbeaud — flower and bulb fiches (cosmos, souci, capucine, tournesol, alysse, zinnia, nigelle de Damas, coquelicot, pavot de Californie, pois de senteur, muflier, reine-marguerite, ipomée, mauve annuelle, annuelles rustiques, giroflée ravenelle, digitale, myosotis, pensée, rose trémière, pâquerette, lupin, ancolie, delphinium, échinacée, rudbeckia, gaillarde, achillée, tulipe, crocus, jacinthe, perce-neige, muscari, ail d'ornement, dahlia, glaïeul, lis, bulbes d'automne, profondeur de plantation)
- Jardiner Malin — flower and bulb fiches (same species; the lin, bleuet and lavatère pages are seed product pages, and lin is red flax)
- Royal Horticultural Society — growing guides (annuals and biennials: sowing in spring, sowing in autumn; sunflower, sweet pea, zinnia, lavatera, foxglove, lupin, hollyhock, delphinium, aquilegia, rudbeckia, achillea, tulip, daffodil, crocus, hyacinth, snowdrop, allium, dahlia, gladioli, lily, bulbs)
- The Old Farmer's Almanac — flower growing guides (cosmos, calendula, marigolds, nasturtiums, sunflowers, sweet alyssum, zinnias, sweet peas, snapdragons, morning glories, poppies, bachelor's buttons, foxglove, pansies, hollyhocks, lupines, columbine, delphiniums, coneflowers, black-eyed Susans, yarrow, dianthus, tulips, daffodils, crocuses, hyacinths, snowdrops, dahlias, gladiolus, lilies)
- Johnny's Selected Seeds — Flower Growing Guide and key growing information pages