Some pepper plants in my community fell down on their own at maturity prior to harvesting. How do we go about saving them?
This article will help you:
https://www.gardeningknowhow.com/edible/vegetables/pepper/stake-pepper-plants.htm
Last season I noticed single holes on my peppers, no matter the size and/or variety? No insects were found upon dissection either. No other damage to leaves or stems, or the rest of the bells. Any clues?
Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/vegetables/pepper/common-pepper-plant-problems.htm
There are now three peppers on, but the blossoms are starting to fall off. They are in a drained pot with potting soil (Cubanelle Sweet peppers).
This article will help: https://www.gardeningknowhow.com/edible/vegetables/pepper/pepper-blossoms-falling-off.htm
I noticed a black mildew-looking substance on my very first pepper and on its leaves. What should I do to get rid of it and prevent it from getting on the rest of my container garden plants?
It is likely sooty mold, which is an indicator of a pest infestation. This article will help: https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm
I like neem oil for treating both issues. This artilce will help: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
I have worms/maggots in my peppers every year. Is there something I can put in the soil to prevent this? Or is there a topical solution?
This article will help: https://www.gardeningknowhow.com/edible/vegetables/pepper/worms-on-peppers.htm
When can I start planting peppers, tomatoes, cukes, etc. ?
This article will help: https://www.gardeningknowhow.com/edible/vegetables/vgen/when-to-plant-your-vegetable-garden.htm
I am new at this, but suddenly all my pepper plants have turned black where the stem meets limb. What is it?
The black color is normal for some kinds of peppers. For instance, bell peppers often have a purple-black coloration at points where stems meet Nothing to worry about unless you see cankers on the stems.