With them being young...I'd suggest soaking the ground before digging them out...and, making sure I got as many of the roots as possible. Then, soaking the ground where you want them, BEFORE transplanting them.

As for the heat? That's a tough one for me to answer, but...I'm sure someone will come along with just the answer you're looking for.

If it were me, I'd dig 'em ASAP & if need be & cut at least 1/2 of the fern off after getting them transplanted. That way, the energy spent would more than likely be spent re-establishing the root system.

I've grown asparagus for 40 years, but never had luck transplanting it. Then again, I was trying it on well established plants with a massive root system. LOL! Never again.

Well, I've been reading almost every thread I could find related to asparagus (my mind is on overload!) & after talking to my dad have figured I'm gonna leave 'em where I put 'em! ;)
We will create our own asparagus bed & plant 25 crowns. But after all this reading I am even more confused as to WHEN to plant asparagus. I planted in spring & so far that has worked. Others say they prefer to plant in Autumn & I'd love to try that, but don't want to get crowns if they won't take.
Thank you so much for your advice. Now I know if ever I do want to transplant to get that ground moist & cut some fern too. You guys are the best!

If it were me and I were to try transplanting asparagus I would wait until the ferns died and then cut them flush with the ground and clean-up the area. I would then try and dig as much of the root system up as I could and separate the plants and then re-plant them. There's a number of web sites that explain how to do this, one link is below. Google is your friend...Good luck in your venture.

Here is a link that might be useful: Transplanting Asparagus

I have a three year old asparagus patch which is yielding wonderful tasting asparagus. 1 planted 12 crowns, in two rows of 6, 4 feet apart. So far nothing is spreading. we are getting one or two every few days (harvested about 30 over the last 2 weeks). Is it an issue of time? Will it increase its'productivity over time? Or can I add new asparagus to an established patch? I love it but need MORE at a time!
Thanks,nancy