Can you get moshlings with out planting seeds

Yes. At the moment you can get three. Lady Goo Goo, Wurly and Plinky. To get them you must be a Moshi Member. To get Lady Goo Goo complete Mission 1, Wurly is Mission 2 and Plinky Mission 3. To do these Missions go to the Volcano. Located on the Map.

Hard Time Finding the Volcano?

It's next to Puzzle Palace.