Wait until the first frost to lift nonhardy bulbs and tubers from the ground, unless their leaves have yellowed.

Plant or bring outside nonhardy ornamentals like fuchsias, cannas, heliotropes and lantanas.

He also has an apple orchard, a woodland garden, and, in a 32-foot-long greenhouse, an enormous collection of nonhardy cactuses and succulents.

Tropical or nonhardy waterlilies, which generally flower more freely but are often treated as annuals and discarded in fall, include the purple flowering Panama Pacific, the blue Dauben, the pink General Pershing, the golden Yellow Dazzler and the night-blooming Missouri, which is white.

Among the rarities are the towering, highly perfumed white Himalayan lilies (cardiocrinum giganteum), as high as 10 or 11 feet, from Western China, and the strawberry tree (arbutus menzeii), and many nonhardy plants that nonetheless thrive in this northern climate: fragrant mock orange, tender, cream-colored buddleia colvilei.