Keep the plants in a tray of water and at least 5 hours of sunlight. Remove old leaves and flowers as required.
Drosera filiformis - Dies back to a resting bud over Winter.
Drosera adelae - Comes from North Queensland so requires some warmth over winter and a semi shaded position.
Drosera binata - Australian Native.
Drosera capensis - It's leaf will wrap over insects, see photos in images.