Want sweetpeas to germinate 'just like that'. Here's how: 1. Save and use own saved seeds..they are the quickest to germinate!.... ....Otherwise. Get good quality seeds. For example from Roger Parsons Sweetpeas, English Sweet Peas, Easton Walled Garden, and many more 2. Germination temperature Sweetpea seeds need a constant 'minimum' temp of 10°C for a week or 2. As soon as they germinate. Into a cooler location they go! This will stop seedlings getting leggy. I always keep my pots in the greenh