Some things are hard to ship on your own. Flowers are near the top of that list. They’re pretty, but the industry has an ugly side. Between the amount of water flowers need to grow, the dangers of pesticides, the potential of unregulated and unfair working conditions, and the distance flowers travel, a lot can go wrong. Flowers are also an ornamental gift with an expiration date, which makes aiming for sustainability all the more important. If you’re shopping for flowers online, we’ve got some tips on how to keep things sustainable without emptying your wallet.