Made a fatal mistake last year so a tip for anyone else:
4 years ago I grew nothing, didn't even know what a tomato plant looked like.......2 years later, I was growing tomatoes like weeds (they originate from the Americas), I had them everywhere, so much fruit that I was literally giving carrier-bags-full of them away (it was a local ugly-looking variety that I bought from the local market and saved the seeds) great for juicing and pulping, superb in stews and curries.....then I got "cocky" and ditched Mr Huge-but-Ugly for a variety I saw in Walmart (large, perfectly round, nice taste)....I tried everything, fancy home-made cages, trellising, different spots in the garden, loads of blooms that wilted in the Northern Mexico heat, absolutely hammered by huge armies of beetles and leaf-hoppers, refused to ripen (pale orange was the best I got)......not one single tomato in 4 months......ditched the lot, ripped up all the vines.
Picked up two packets of seeds yesterday (cherry tomatoes and Jitomates) as I need to start from scratch and I cannot find the "local variety" just at the moment......moral of the story, even when you think you have it cracked, nature turns and bites you on the arse....the original "ugly" was obviously local and prolific and matches this climate and altitude (and a natural resistance to bugs) whereas the "Walmart variety" could have come from anywhere, probably mass-produced in a temperature-controlled, light-controlled, sprayed daily with anti-bug liquid, greenhouse in California......if it works, stick with it.
Onions I've cracked and save seeds, same with carrots, tomatoes I need to start again (this time I will seed-save), Swiss Chard is going in today and I should have masses of leafy greens (and the root is huge and grows new leaves faster than I can eat them) peas are a bit mehhh in this heat, peppers are coming up fast and I can start picking this month........really need to crack my sweet potatoes for a bulk veggie, vines are massive but no tubers in their own 4m x 2m bed....grrrrr