According to author and horticultural professor Jeff Gillman, who has conducted extensive research on blackspot remedies, a spray composed of one part milk and two parts water is the best answer to the disease. He says this simple solution, if applied weekly, will control blackspot as well as any synthetic fungicide, including Chlorotalonil.
Did you know that cornmeal is birth control for seeds? Sprinkle it on your garden and it will keep weed seeds from germinating and growing into plants. Of course, cornmeal will keep any seed from germinating, so don’t try this on your vegetable garden until your plants are established and you’ve ﬁnished planting seeds.
Do this in the fall: Plant bulbs in Pots. Store the potted bulbs in an unheated garage or storage room. You'll need to water every few weeks since the pots won't have access to rainfall. In addition to small pots, pack bulbs "shoulder-to-shoulder" in big containers for an abundant display in spring. Toss aside the spacing recommendations so you can get as many bulbs into the container that will fit.
Why a tomato cracks and what to do about it and a lot of other information about caring for tomato plant