I usually follow Garlic with Brassicas like Broccoli or Brussel Sprouts transplanted in late July to mid August or wait a little longer and put out some lettuce or radishes.

I'm thinking about next full season....

Next year you can plant pretty much whatever you want.

Rodney

Except garlic.

Definitely no garlic or other Alliums. Garlic brings so much potential diseases and nobody is 100% certain about what they got. Our farmers always destroy all the garlic leftover and trash them. I believe some of the beans can have the same root rot type of fungus. I do not know if tomato, pepper can grow well in the same plot. I'll be concerned with all the root crops.

If you want to be safe don't plant any alliums (onions, leeks, garlic), or any other bulbs. Tomato should be 100% fine.

I think you are over thinking it. If you see no signs of a problem this year then don't worry so much.

Compared to most of our garden crops alliums are relatively trouble free. Some of us don't have enough space to do a decent rotation in the first place, but still do well on most things.If you have the space I suggest you divide what you grow into three or four groups: the coles, the nightshades, the alliums, and misc. Divide you garden space into quarters and just rotate the groups through them. If you have enough space and the inclination to grow the melons, cukes and squashes make them the fifth group and divide the space into fifths. The space divisions don't have to be equal either, but that adds complexity to the arrangement; so be sure you are willing to handle it that way.

KISS principle is always a good thing to remember.

I wasn't aware garlic was a plant disease vector. Like what? I have been growing garlic in the same little organic plot for almost 8 years (1 or 2 years were fallow because I got too busy) without trouble. We often put our domestic pigeon litter into the spot after harvest and let it go until early fall, then plant and mulch with whatever is handy. (The main garden is in a different location since this one is close to black walnut trees.)

There is an old saying: "If it aint broke, don't fix it."

I first noticed problems after I planted garlic that I got from a friend which wasn't all that great looking from the get go. Eventually the symptoms seemed to end as I made the effort at crop rotation. There was an outbreak of rust that lasted a couple of years, but I think that problem is not related to infection of the soil so much as it was the perfect conditions for it to thrive. I planted my garlic as usual the next year and had no signs of rust. Had I planted the gift of garlic in a container for the first couple of years I could have avoided the losses I'm guessing.

I have about 600 square feet to garden in. I really can't rotate much at all; so I stick this in here and that in there during the season. Fall beds are another thing however, planned and carefully built up, first for garlics and then if time permits advance prep for next spring's beds, especially the earliest ones. I do not see much disease problem, although I really have very little choice, once the new season starts. Disease isn't my biggest issue; squirrels are!

I spaced my garlic 8x8 this year. I really don't know if I can afford to be that generous with my space. If size isn't significantly improved I will go back to 6x6. I got real lucky with my accidental mulch formula: bottom 2 inches half and half coir and sterile compost and then once the garlic grows up a bit about another 2 inches of last year's tree leaves. I did not have to pull a weed in any of my garlic beds this year. Amazing! I hope to be able to repeat that next spring.

Another thing I will do next year and maybe some more this year for the fall is transplant crisphead lettuce. Very early seems to suit that crop real well. I got some ready dandies! And I hope to have Copra onion sets for next spring too (with only moderate success I should have lots of them). I hope to be able to prepare next spring's beds for them this fall yet in addition to my garlic beds. Of course the best laid plans of mice and men... and all that.