The plant: Although the champaca is a lovely tree, it’s the scent from its nonshowy flowers that will linger in your memory. The only thing harder than describing the scent of the champaca’s blooms ...

Among the world’s most expensive perfumes is Joy, which sells for about $700 an ounce. But why dab yourself with overpriced perfume when you can grow the flowers used to make the stuff? The blossoms ...