But edible flowers are moving beyond their role as go-to garnish for junior-league luncheons.

WSJ: Petal Pushers: Chefs Pick Edible Flowers

Instead, look for edible flowers at farmers' markets and natural foods shops, in your own garden or online, at sources such as melissas.com.

WSJ: Petal Pushers: Chefs Pick Edible Flowers

She made a point of steering away from exotic herbs, edible flowers and other "odd stuff" that might be hard for people to find.

CNN: Word of mouth

And according to Cathy Wilkinson Barash, author of Edible Flowers: From Garden to Palate, even if you could eat modem hybrid roses, you'd probably be disappointed.

NPR: Robb Walsh: 'Are You Really Going to Eat That?'

In the mid-2000s, the Thai Health Promotion Foundation launched a campaign called "Food Safety: Edible Flowers" to push restaurants to start cooking with flowers and persuade farmers to stop using pesticides.

WSJ: Flowers for the Eyes, and the Mouth

The crispy pork belly, a staple of Korean cuisine called samgyeopsal, is intensely rich, and silky chocolate mousse is served up in tiny traditional kimchi pots made from chocolate, which are decorated with cake crumbs and edible flowers.

BBC: Korean food goes high-end in Seoul

We followed the suggestion of our knowledgeable server and chose the roasted kohlrabi-turnip soup (with horseradish, chive oil and edible flowers), the trio of lamb (loin, rack and belly, prepared three different ways) and the imperial chocolate dessert (a warm pudding cake with spiced ice cream and coffee sauce).

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The jelly was topped with a most beautiful selection of wild herbs and small flowers, all edible.

FORBES: Rafael Trapet / Getty Images