African blue basil makes delicious pestoAlthough the combination of a perennial plant with the scent and flavor of sweet basil would seem to make it a very desirable culinary variety, the high camphor content can interfere with its use in cooking. It is, however, an attractive ornamental.
San Francisco Chronicle, 7 November 2013 link
Q: In your book, "Golden Gate Gardening," you talk about using African blue basil in pesto. I didn't think it was edible. What's the deal?
A: ... Perhaps the inedibility myth began with the Wikipedia article on African blue basil, which says that "high camphor content can interfere with its use in cooking. It is, however, an attractive ornamental." Wikipedia cites the article I wrote for The Chronicle in 2005 (http://bit.ly/H0q8oX), in which I reported how tasty I found it but ignores my culinary enthusiasm. I question whether the writer of the Wikipedia article has ever eaten, or even grown, African blue basil.
Eat me