Every rose has its thorns, every alstroemeria has its leafy pedicels, and every Bird of Paradise has its poisonous seeds.

Until you learn how to dethorn, deleaf, and not eat them, that is.

Flower Duet will teach you how to do all that and more at your very own Flower Party. The team of sweet-as-sugar-magnolia sisters will come to your house and teach you and your pals all the ins and outs of flower arranging.

For upward of $40 per person, they show up with loads of flowers, cutters, and vases and walk you through everything you need to know about picking out the freshest blooms, making them pretty, and setting them up to last.

Each guest gets her very own leafy-green folder with all the evening’s notes, as well as a map to the Los Angeles Flower Mart — so there’s no need to squabble over the loot.

Wouldn’t want things to get thorny.

Flower Duet (310-390-4968 or flowerduet.com).