Snapdragon: when to sow, plant and see it flower

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

Snapdragon

Photo: anncapictures, 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.

ClimateSow under coverPlant outFlowering
South and east of England26 January – 21 April; 4 September – 3 October22 April – 22 May22 June – 3 November
South-west England and Wales15 January – 10 April; 20 September – 19 October11 April – 11 May11 June – 19 November
Midlands, northern England and Northern Ireland6 February – 2 May; 29 August – 27 September3 May – 2 June3 July – 28 October
Scotland16 February – 12 May; 20 August – 18 September13 May – 12 June13 July – 19 October
Ireland23 January – 18 April; 11 September – 10 October19 April – 19 May19 June – 10 November

Growing

Life cycle
Annual (sown and in flower the same year)
Family
Plantaginaceae
Latin name
Antirrhinum majus
Cold tolerance
Half-hardy (dislikes hard frost)
Emergence
7–14 days
Spacing
10–30 cm

Sources