Previously I
described the process I use to pickle asparagus. Here's a little more detail.

I mentioned that I cut the spears to fit in the jars. That's pretty obviously needed. Below is a picture of my cutting board. I use the two Sharpie dots as guides. I line the tops up using the left dot then cut along the right, leading to the small pieces shown at the top. I cut some of those into bite-sized chunks and fill them in around the longer spears as needed. I also can a couple of quarts of just small chunks. It might not have much eye appeal, but the jars are completely usable. The whole spear more or less has the same flavor, at least as far as I can tell.

I always look before buying--and after opening the bag--for bad spears. They usually seem to go bad at the tip first. Frustratingly, some bags don't allow very thorough inspection of the tips before buying. Sometimes I've gotten a lot of bad ones, but usually they're not too bad. The one shown here is one of only a couple of culls in my latest batch of eight pounds (which went into nine quarts). Even with the culls, the rest of the spear is often fine. I just cut the tip off of this one. Side note: while trimming, I discovered the dog likes asparagus. I only gave her a few pieces.
I also cut off the woody ends (if applicable), and at a minimum trim off the very bottom that's usually dried out and often uneven. Then into the jars they go (as noted previously, with one clove of garlic per pint of jar capacity).
I used to try to use fresh dill, but since I don't have dill growing myself--yet--I just use seed. One teaspoon per jar. It works well and dill seed keeps a long time. Also as noted previously, the canning liquid is 50/50 water/vinegar and it reliably shows a pH of around 3.0. I heat it to boiling
I ladle hot syrup into the jars, then process in
atmospheric steam for
15 minutes. It's quick, easy, and works well. It took about three hours to do everything. The eight pounds of asparagus cost about $24; the jar lids were another $1.50 or so; the dill seed and garlic together were less than $1. That's nine quarts for $26.50 plus time (maybe add another $0.90 for jar depreciation). It looks like the cost for commercially-pickled asparagus is about $13 or more per quart. That's a $90 return for three hours of work. Not bad...