Purple coneflower: when to sow, plant and see it flower

Sowing, planting and flowering dates for your climate, with growing advice.

Purple coneflower

Photo: YvonneHuijbens, Pixabay Content License · image resized

Sown this year, this flower only blooms the following year: the flowering shown is that of an established plant.

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.

ClimateSow under coverPlant outFlowering
South and east of England26 January – 22 May23 March – 21 June; 4 September – 3 November22 June – 3 October
South-west England and Wales15 January – 11 May12 March – 10 June; 20 September – 19 November11 June – 19 October
Midlands, northern England and Northern Ireland6 February – 2 June3 April – 2 July; 1 September – 28 October3 July – 2 October
Scotland16 February – 12 June13 April – 12 July; 1 September – 19 October13 July – 12 October
Ireland23 January – 19 May20 March – 18 June; 11 September – 10 November19 June – 10 October

Growing

Life cycle
Perennial (flowers again every year)
Family
Asteraceae
Latin name
Echinacea purpurea
Cold tolerance
Hardy (withstands frost)
Soil temperature to germinate
18 °C minimum
Emergence
10–15 days
Spacing
30–40 cm

Sources