Tucson, AZ is located in USDA hardiness zone 9a, which means it has a hot and arid climate. Here are some of the best plants to grow for food at home in Tucson:

1. Tomatoes
   – Tomatoes are a popular crop that grows well in Tucson. They need plenty of sun and warm weather to thrive.
2. Peppers
   – Peppers, including jalapeños, bell peppers, and serrano peppers, grow well in Tucson’s hot climate. They are easy to grow and produce a lot of fruit.
3. Squash
   – Summer squash, including zucchini and yellow squash, grow well in Tucson’s warm climate. They are low-maintenance and produce a lot of fruit.
4. Beans
   – Both bush and pole beans grow well in Tucson. They can be planted in the spring and will produce a lot of beans throughout the summer.
5. Melons
   – Melons, including watermelons, cantaloupes, and honeydews, grow well in Tucson’s warm climate. They need plenty of water, so be sure to water them regularly.
6. Cucumbers
   – Cucumbers are easy to grow in Tucson and produce a lot of fruit. They can be grown on trellises to save space.
7. Herbs
   – Many herbs, including basil, parsley, cilantro, and thyme, grow well in Tucson’s warm climate. They are easy to grow and can be grown in containers or in the ground.
8. Citrus trees
   – Citrus trees, including oranges, lemons, and grapefruits, grow well in Tucson’s warm climate. They require a lot of water, so be sure to water them regularly.
9. Eggplant
   – Eggplants grow well in Tucson’s warm climate. They are low-maintenance and produce a lot of fruit.
10. Sweet potatoes
    – Sweet potatoes are a good choice for Tucson’s hot climate. They need plenty of sun and can be planted in the spring.