Chris, you need to give us more to work with
One acre plot, hot summers, cold winters, spring and autumn rains - with that, I would be shooting blind to make any kind of recommendations
How hot? When is your "last frost"? How much rain? How long is the summer dry spell, and how dry? What is the soil like? Clay, sand, organic matter?
What is the terrain? Sloping, flat, rocky? If it slopes does it slope toward the sun or away? What is growing on it now? What is around it? Open fields, woods, something else? Is it shaded? Is it exposed to the wind?
All of these impact your choices of what things to plant and how to plant them. Fukuoka-sama spent years learning what would work on his land
Plants for the future has a database that might be helpful in deciding what plants you want to grow in your situation.
If I had this
project, I would get out on the land and just walk over it for awhile, even if it is the middle of winter. Walking the land will help you understand what slopes it has, how water moves on it and how you might want to manage that movement. It will give you a feel for the wind exposure and where the sun hits the land. Assuming it is frozen, you will not get a sense for the texture of the soil itself, but even so there are plenty of things to observe.
Has the land been conventionally farmed in the past? If so, you probably have some significant compaction to deal with. Fukuoka-sama would say use daikon to break up compacted soil - but you have a challenge that is expecting to see substantial results in one year (I am assuming) and really cannot wait for the slower processes of
roots decompacting soil to work for you.
Thinking about how I would approach it, with the limited information I have: I would get a detailed outline of the parcel and then figure out the best way to divide it into four foot square beds with one foot wide walkways. I would get that pattern laid out on the site as soon as possible and start working the beds with a broadfork as soon as the ground allows. Get that compaction issue I am assuming is there addressed asap.
I would plan out seed mixes for the beds, looking for variety but not going too far with the variety. I would think in terms of growing in layers and in mutually beneficial combinations (three sisters is a classic, but only one of many), but also in terms of chronological succession.
Early plantings of peas and radishes might be followed by peppers and bush beans that like the heat. Herbs like basil and dill could be broadcast seeded to take up space where weeds might pop up.
I might look for plants that provided multiple products, like beets, where the greens and the roots are edible, or amaranth with edible leaves and seeds.
I might think about the possibility of making a few of my beds into small ponds, instead, to hold and infiltrate more water and to encourage beneficial creatures that will help manage my problem insects.
I would expect that as the garden grew, I would lose some of my pathways as plants spread and covered them. I am ok with that, I would just try to not walk in the beds proper and not worry too much about the squash overgrowing the fennel. All that rampant photosynthesis is a good thing and if the plants I want to grow are covering all the space preventing plants I did not choose from succeeding, that is great! Maybe in the process some plants I wanted to grow lose out, but that is ok too. Let the more successful plants win and don't mourn for those that could not make it.
By planting with multiple layers and planning to plant with succession over time, combined with choosing multi-crop plants, your one acre
should be able to produce an amazing quantity of food.
And while it can be done with no inputs other than seeds and labor, I won't suggest that it can be done by "doing nothing". It will take some real work in planning and preparing the soil.