Have you googled garden planner? I have used the software that I accessed through Territorial's website. It's free for 30 days, then there's a yearly subscription fee. Bit of a learning curve on how to use, but it worked well for an absolute newbie in learning spacing, etc. I chose not to renew after the first year, as I've now learned enough to do my own plans, and I do enjoy that part.

It does not plan your garden out for you--you click the plant, and stretch a box to show the space you want it in--it will then tell you how many seedling you'll need. It also doesn't necessarily do companion, but it will allow you to track succession, rotation, etc IF you put the info in for it. But with a free trial, you only lose your time if you don't like it. I'm sure there are others as well, but I don't know that you're going to find one to completely plan your garden for you.

I use the one from Territorial Seeds which is $25.00 a year if you renew after the 30 day free trial. It is worth it to me to make notes to review what happen in the previous years. I have been using it for 3 years now and think it is worth every penny.

You can find some tutorials on the Internet and it will be much more cheaper.

www.krosagro.pl