Yarrow: when to sow, plant and see it flower
Sowing, planting and flowering dates for your climate, with growing advice.
Photo: Pezibear, Pixabay Content License · image resized
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 | Plant out | Flowering |
|---|---|---|---|---|
| South and east of England | 26 January – 21 April | 23 March – 22 July | 23 March – 22 May; 4 September – 3 October | 23 May – 3 October |
| South-west England and Wales | 15 January – 10 April | 12 March – 11 July | 12 March – 11 May; 20 September – 19 October | 12 May – 19 October |
| Midlands, northern England and Northern Ireland | 6 February – 2 May | 3 April – 2 August | 3 April – 2 June; 1 September – 27 September | 3 June – 2 October |
| Scotland | 16 February – 12 May | 13 April – 12 August | 13 April – 12 June; 1 September – 18 September | 13 June – 12 October |
| Ireland | 23 January – 18 April | 20 March – 19 July | 20 March – 19 May; 11 September – 10 October | 20 May – 10 October |
Growing
- Life cycle
- Perennial (flowers again every year)
- Family
- Asteraceae
- Latin name
- Achillea millefolium
- Cold tolerance
- Hardy (withstands frost)
- Emergence
- 5–14 days
- Spacing
- 30–50 cm
Sources
- 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)
- Aujardin.info — plant encyclopedia and bulb planting guides
- 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)
- RHS — Plant pages (hardiness ratings H1-H7)
- Johnny's Selected Seeds — Flower Growing Guide and key growing information pages
- 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)
- Promesse de Fleurs — advice pages (jacinthe read in full; the others through search-result summaries only, the pages return their navigation shell)