Have you ever had a good yeild with these? How have you planted them? I know it's best to leave them in the ground until it gets cold so they get sweeter.
I'm growing parsnips for the first time this year. I started them in my newspaper pots and transplanted them into my deepest raised bed. So far they seem to be doing fine. I read a good tip for heavier soils: drive a digging bar about 12 inches into the ground and move it around until you have a inverted cone shaped hole, fill the hole with finished compost, put 2-3 seeds per hole and cover with a small amount of sand, when the seeds sprout thin to one seedling per hole. The root will form in the hole and be nice and straight. I've never grown turnips, though.
Oh, and my Back to Basics says parsnip wine is delicious. If mine do well I might try to make a batch.
Edited -rutabegas, not turnips, sorry
Here in zone 4, I have had wonderful luck with both. The parsnips enjoy conditions like carrots. They were delicious and managed to grow well in spite of being chewed off 2 or 3 times by the woodchuck! The rutabaga grew huge with no effort from me. I have to say, I did not use all that I grew. They were kind of fun in the crockpot with beef- but I had tons of them, and we got tired of them....
I should have seen this sooner -- it's the first word that derailed me: rutabagas! I don't know for sure if I've ever even tasted rutabagas, think so . . .
Parsnips, are something I've grown a half dozen or more times. There are a few varieties. I think it was the "All American" parsnip that was the 1st and almost the end of my parsnip adventure. You know . . . sometimes I think the seed companies just throw some name on a variety and expect to make a profit, on the name rather than the product. They wouldn't do that, would they?
Anyway, after I'd waited a few years to recover my interest -- I tried again. Everything went well growing Andover. Then I planted Javelin a couple years ago and had to recover from one that didn't grow that well for me and had a funny flavor . . . Some of these problems I've had may have been location in the garden. I'm always trying to grow something in the shady corner that doesn't quite like it there. But, I like parsnips - maybe better than carrots.
What TMC has said about growing parsnip sounds like it is good advice. I just try to get them in fertile, deeply-prepared ground and try not to allow the soil to dry too much between waterings.