What are the pros? hardy, versatile, tasty
What are the cons? none so far
We planted these outdoors in late March. All of the seed germinated. We used the thinnings in salads (yum), or sauteed them and used in quiche (super yum). We're going to try pickling and making pesto as well. The young leaves have the strongest flavor, so if you're not a fan of the horseradish-like flavor, wait for the the flavor to mellow as the leaves get larger.
We had a rabbit give them a nibble, but it didn't slow down their growth, and no other pests have been interested. The plant is also a lovely purple shade that really stands out in the garden. We'll be growing these in future gardens for sure!
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