and distinctive flower segments tinged with a greenish-yellow hue. The blooms grow large—up to 10 inches across—and are deeply fragrant. The long leaves circle the stem like the spokes of an umbrella.

There’s no denying the beauty of freshly-cut tulips or a garden bed of lilies, but flowers like these can make cats sick or even be fatal. The ASPCA Animal Poison Control Center reports that both ...