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Perennial Hibiscus

Perennial Hibiscus


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Within the next few weeks perennial hibiscus will begin to bloom and add a tropical flair to the local landscape. They bloom when few other perennials do. The species is also one of the few members of the hibiscus family adapted to colder climates, where all forms are hardy along the Wasatch Front and warmer areas of Cache County. Some newer varieties are reportedly hardy to USDA Zone 4.

Perennial hibiscus takes a few years to get established. However, it comes into its own after a few years. It reaches 3-6 feet high and wide depending on the variety. The species is also relatively long lived, staying in the yard for at least 10-20 years.

Mixed varieties of perennial hibiscus used as a border in front of Tri City Nursery.
Mixed varieties of perennial hibiscus used as a border in front of Tri City Nursery.

In the spring it is among the last perennials in the yard to come to life, but it quickly catches up with other plants. It is also not extremely drought hardy, where established plants require irrigation every 7-10 days in average soil if the roots are covered with mulch.

Expect perennial hibiscus to flower for 30-45 days. The most common flower type is white with a purple or red center. However, many new varieties and hybrids have been introduced over the last 10 years. A multitude of colors are available, including pink, lavender and red. Some common varieties include the older but still beautiful Disco Belle series (white, pink or red), the Luna Series (more controlled growth with white, pink or red flowers), Lady and Lord Baltimore (pink and deep red respectively), Fireball (dark red flowers with red foliage -it is one of my favorites), and Midnight Marvel (purple foliage with wine purple flowers). Many others exist.

Perennial hibiscus work well if used as a foundation plant in flowerbeds or as an informal border. When incorporating it into the landscape, correct spacing is critical due to the species large stature. Use in combination with cannas, roses and other plants with a tropical feel.

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Taun Beddes

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