The Chihuahuan Desert, long a corridor for trade between Mexico City and Santa Fe, New Mexico, is now home to five million people. The Rio Grande basin covers 172,000 square miles, crossing three U.S. states, more than a dozen Native American nations and five Mexican states.
Plant Answers. PLANT: March is a month to plant the gardener's favorite vegetables such as tomatoes, sweet corn and snap beans and pepper as well as cucumbers, lima or butter beans, cantaloupe, okra (if the soil has warmed sufficiently --70 degrees F. or higher), southern peas, pumpkin, squash, peanuts and watermelon.
These March gardening tips and chores apply to USDA Plant Hardiness Zones 5 & 6, which encompass Western Pennsylvania. Flowers & Vegetables If you'd like to try your hand at growing your own plants, March is the time to start indoor seeds of tomatoes, peppers, eggplant, and other warm-season veggies.