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Plume Poppy

These tall perennials from China and Japan are often still listed under Bocconia, a name properly belonging to their shrubby tropical relatives. Tall, branching stems carry clouds of tiny flowers. Leaves are large and deeply lobed. The plants look tropical, and their garden value lies in size and structure rather than floral impact. Spread by creeping rhizomes and can be invasive if not controlled.

Macleaya cordata

Grows to 7–8 ft. tall and 3 ft. wide, with grayish green, 10-in. leaves. White to beige flowers. Is considered less invasive than M. microcarpa.

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Forsythia ‘Arnold Dwarf’

This hybrid grows to 1 1/2–3 ft. tall, 6 ft. wide. Flowers are sparse and not especially attract...


Native to the south-central U.S.; botanical name is Carya illinoinensis. This is a graceful, ...

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