Well, I for one don’t work in the heat. I stay indoors. We don’t have heat as bad as you do I guess, but I can not take the heat nor can I take the sun.
Did I mention my 20 minute exposure that led to swollen arms, legs, and fever when I was 20 years old? I love the sunshine from my windows.LOL
If I am awake early like at sunrise or so, I run out and do what needs done most for 5 or 10 minutes. Same goes for just before sunset, about 15 minutes tops. I do sometimes turn on the patio light, and do stuff to the raised beds that are around the patio.
I have placed other beds so that they are naturally shaded from the sun on the hottest parts of the day by trees. The beds not so placed, have pvc pipe or some other method of placing a sun shade over them to help them survive.
They won’t do much in the way of setting fruit etc. but they will survive till cooler weather, and then you can get a good harvest in the fall. I plant mostly indeterminate tomatoes and stuff, so I don’t have to replant for a fall crop as much as possible.
In late fall I plant a bunch of stuff that will survive the winter, so that I don’t have as much early spring planting when the weather is cold, rainy, and miserable.
Buy some plant dollies from Walmart or have your son build some the size you need so that you don’t have to be dragging heavy stuff around. I bought a wooden one from Walmart, and hubby made some using it as a guide, out of one by twos and some wheels he screwed on them.
I grow tomatoes in 1 or 2 gallon pots all the time, just so that I can manage them without hurting myself, and get them moved without asking hubby to help me.
You will give it some thought and find a great solution with out a doubt.
“I grow tomatoes in 1 or 2 gallon pots all the time,”
Is that a large enough pot for a tomato to grow big? Don’t they take a larger container than that for the roots?