Here’s another photo of these cosmos in situ - they grow to about 30cm and flower all summer long. The seeds are easy to pick and they germinate very well.
I’ve also got hundreds and hundreds of dahlia seeds - we grow our dahlias from them each year. Some of them are ‘Bishops Children’ that have beautiful dark foliage. Others are just bedding dahlias. We’ve even kept the tubers from them and over wintered them to grow on the next year (with great success). So, if you would like any of what’s on offer, just let me know and I’ll pop them in the post for you. 