Onions are no different than any other seeds when it comes to containers. ;) The Container FAQ here offers many suggestions and a picture of many and they will all work for onions too. Link below is to a previous discussion with even more suggestions unless you want to invest in more professional seed starting set-ups. Search 'container' for even more discussions and ideas. As to number of seeds - onions are usually sowed quite thickly and then thinned as needed or transplanted so you can just scatter sow the seeds all over the top of you soil in whatever size container you choose to use. Dave Here is a link that might be useful: Favorite seed starting continers to use discussion

To get the fresh air doesn't editornj also need to take the tight fitting lids off? Or poke a mess of holes in them? Not just drainage holes,right? Thanks Still New and Trying to Learn Everything Quick Audrey

Hi September, 1. Oh yes, I would say it's a good mix. None of the plants need real high humidity or humidity requirements that are different from each other. 2. My feeling is to make sure that it is damp, but be very careful not to put too much water in it from the beginning. You can always add water. You would be surprised how dry the soil can for the terrarium to work. 3. Put the lid on and see if it fogs up. If it fogs up you need to dry it out some more. Here I'd like to talk a little bit about your soil density. It looks a little too dense for a terrarium. I would take your soil out and mix it half and half with perlite. Even plants that need a lot of humidity are usually not aquatic plants. They can drown in dense soil. Especially under humid conditions you don't want the soil to be too dense or moist. 4. Not sure if your ferns were in terrariums, but if you follow the conditions above your, fern should do just fine. Good luck Larry PS: I would also make a suggestion that you open the lid and breathe into your terrarium every couple of days. It's not critical that you do that and many people will say that it's unnecessary, but I find that it helps to get some air flow and some carbon dioxide into the terrarium once in a while.

Thank you! We just had major rainstorms this afternoon so may wait until Saturday to start. I assume on weeks where major rain as occurred, you can simply water enough to apply the right amount of fertilizer and water more deeply when water is actually needed? I think I saw on another post, some recommended a couple of liters of fertilizer "water" per 20 gallon container and closer to 1 liter for 7-10 gallon. Does that sound about right? In the past, I have been much more laid back about fertilizer regimen, but want to pay better attention this year, and hopefully get better yields. Thanks again for the info! Valerie