Sown Cauliflower, Cabbage, Broccoli, Tomato, Onion and Pepper Seeds

I sowed the following seeds today and placed them into a heated propagator in the Greenhouse:

Mr Fothergills Sweet Pepper 'Colour Spectrum' into a 3 inch pot
Mr Fothergills Sweet Pepper 'Romano Mixed' into a 3 inch pot
Thompson & Morgan Tomato 'Gardener's Delight' into a 3 inch pot
Mr Fothergills Cauliflower 'Candid Charm F1 - Mini Veg' into a 3 inch pot
Mr Fothergills Cauliflower 'Mayflower F1' into a 3 inch pot
Thompson & Morgan / Mr Fothergills Onion 'Red Baron' into a 3 inch pot
Suttons 'Rosetta' (Greenhouse Type) into a 3 inch pot
Mr Fothergills Cauliflower 'All The Year Round' into a 3 inch pot
Mr Fothergills Cabbage 'Hispi F1' into a 3 inch pot
Marshalls Cabbage 'Derby Day' into a 3 inch pot
Mr Fothergills Broccoli (Autumn) 'Beaumont F1' into a 3 inch pot

Current Weather Conditions - Heavy Snow but not settling with a dry afternoon Maximum Temperature 2 Degrees Celsius
Current Greenhouse Temperature - 12 Degrees Celsius