Perennials Over 4'H
The very tallest perennials that commonly exceed 4 feet high under most conditions. These very tall, often statement making perennials are well suited to use at the back of the border and in front of medium to large shrubs and taller tree form plants. Some may be suitable for large to very large containers as specimens and thrillers. Growing conditions may affect ultimate size. This list also includes some tropicals/subtropicals that are grown as die-back perennials in zone 8B/9A like Angel's Trumpets, so just keep that in mind if you are in a colder climate.
The huge 8-9" wide ruffled white flowers sporting darker pink veining with a dark burgundy eye shine like spotlights against the foil of dark burgundy to near black foliage and are produced throughout summer. A top performing selection, Dark Mystery Hardy Hibiscus is a vigorous and reliable clump forming perennial Hibiscus with a good branching habit. It is sure to be a star in almost any garden or landscape! Like most other Walter's Gardens introductions, Dark Mystery is an indeterminate plant producing flowers from the top to the bottom of the plants creating a knockout display in the garden and landscape. Provide a full to mostly sunny location in moist to average moist to wet, moderately fertile soils. Images courtesy of Walter's Gardens, Inc., all rights reserved. Item# 12060