What plants compliment hibiscus?

Asked By: Acacio Brazalez | Last Updated: 9th January, 2020
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Interplant your hardy hibiscus with giant feather grass (Stipa gigantea), a hardy perennial that reaches 6 feet tall with purple, green and golden flower heads. Add a shorter grassy companion, silver spike grass (Spodiopogon sibericus) for 4-foot green and silver foliage topped with rose-like flowers.

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Also, what plants grow well with hibiscus?

Try a mixture of other easy-to-grow companion plants, such as daylilies, delphinium, alium, poppies, peonies and bearded iris. They all grow well in the same soil condition, light and water requirements as the hardy hibiscus.

Likewise, which Hibiscus is perennial? Tropical hibiscus plants are either brought indoors during cold weather or are treated as annuals, because of their sensitivity to the cold. Perennial hibiscus (Hibiscus spp.) are known to be cold hardy, but will still die down to the ground in all but the warmest U.S. Department of Agriculture plant hardiness zones.

Accordingly, do hibiscus plants spread?

Hibiscus roots do not have an extremely wide root spread. A 3-gallon container, which is approximately 10 inches wide, is big enough to contain a hibiscus shrub. Container hibiscus will grow in a 10-inch pot, but without constraint, the roots will spread several feet under the ground in all directions.

How do you take care of hardy hibiscus?

Hardy hibiscus like moist soils, so keep plants well watered and mulched with bark mulch to prevent weeds from crowding them and maintain the soil moisture. Fertilize in spring with a layer of compost. Hardy hibiscus is slow to emerge in spring in cold areas so be patient. They may not pop out of the ground until June.

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Are used coffee grounds good for hibiscus plants?

Hibiscus plants may benefit from coffee grounds being used as fertilizer. These elements or nutrients are beneficial to a plant's growth. Used coffee grounds are really best if added to compost, where they can break down further and then be dug into your beds.

Can you plant hibiscus in the ground?

Hibiscus grows well in raised beds, particularly if the soil at ground level doesn't drain freely. Hardy hibiscus tolerates more moisture than tropical hibiscus, and it can be grown beside a stream or pool. Plant hibiscus so that the soil level on the plant is is the same as it was in the container it was growing in.

How tall do Hibiscus get?

Some perennial varieties of hibiscus grow between 3 and 7 feet tall. Scarlet rose mallow (H. coccineus) grows 3 to 6 feet tall and spreads 2 to 3 feet wide in USDA hardiness zones 6 through 9. It has deep red flowers 3 to 5 inches wide all summer.

Is Miracle Grow good for hibiscus?

Hibiscus plants with their big, bright, flowers need large amounts of nutrients during their growing season from spring through the fall. The best fertilizer formulas for hibiscus are low in phosphorous and high in potassium. Many fertilizers in the Miracle-Gro line have these qualities.

Is Hibiscus Hardy?


Hardy hibiscus is a non-tropical plant that tolerates punishing winters as far north as USDA plant hardiness zone 4 (with protection), while tropical hibiscus won't survive outdoors north of zone 9. Tropical hibiscus is available in single or double blooms in colors that include salmon, peach, orange or yellow.

Can hibiscus tolerate wind?

Hardy hibiscus (Hibiscus moscheutos), also known as swamp rose mallow, is hardy in U.S. Department of Agriculture plant hardiness zones 5 through 9. It thrives in wind-sheltered locations with full sun. this variety ideally prefers a rich moist soil – but will grow in average soils if they are kept consistently moist.

How fast do hibiscus grow?

Tropical hibiscus are fast growers, reaching 7 to 12 feet tall in just two or three years and blooming throughout the year. Due to its rapid growth rate, Chinese hibiscus responds well to pruning for shape in late winter, lending it to espalier or use in hedges.

How long does hibiscus plant live?

How long do tropical hibiscus plants live? A. Some of the older garden varieties have been known to live for 50 years or more. Some of the newer hybrids may have lifespans of 5-10 years.

How do I keep my hibiscus blooming?

How to Keep My Hibiscus Blooming
  1. Re-pot your hibiscus in January or February of every other year.
  2. Cut the plant back by 1/3 to 1/2 in very early spring.
  3. Place the plant outdoors in late April in a location that receives full sun all day or at least for six hours.
  4. Fertilize the hibiscus every two weeks.

How much room does a hibiscus need?


Plant the hibiscus where it is not exposed to strong winds to avoid breakage of the long stems. Space plants 2 to 3 feet apart. Mature plants can be divided in the spring.

How deep are hibiscus roots?

Hibiscus have a non invasive root system & are not known to damage pipes or foundations, they will grow quite happily with other shrubs provided the other plants do not compete for nutrients at the same feeder root level, Hibiscus feeder roots are between 30mm & 200mm deep IN THE MOISTURE zone.

How do I know if my hibiscus is hardy or tropical?

Heart-shaped, dull-colored leaves signify a hardy hibiscus. Check the flower color of the plant. Hardy hibiscus flowers have red, pink or white flowers, according to the Tropical Hibiscus website. Tropical plants have bright salmon, peach, orange or yellow blooms.

When should hibiscus be pruned?

For the most part, hibiscus plants can be lightly pruned in late summer or early fall, but no hibiscus pruning should be done during late fall or winter. One of the downsides to waiting later in the season to prune is that plants may not develop as many branches, and they will put out fewer blooms.

How much sun does a hibiscus plant need?

As a rule, a hibiscus plant needs about 6 hours of full sun per day in order to bloom to its fullest potential. It will still grow perfectly well in partial shade, but it won't fill in as fully or bloom as spectacularly. The more light a hibiscus gets, the better it will bloom, up to a point.

What is the largest hibiscus flower?


Hardy Hibiscus:
Hardy hibiscus is a member of the Mallow family. They are the largest hibiscus with showy flowers with 8 inches wide blooms.

How do you deadhead hibiscus?

Deadheading individual flowers as they begin to fade requires no tools. Simply grasp the flower stem behind its swollen base and pinch off the old bloom. You can also snip off the flowers with shears, if you prefer. Hibiscus tends to flower in flushes, so you usually have many old blooms to deal with at once.

Should I cut back my hardy hibiscus?

Cut the perennial hibiscus back in late winter or early spring. The Rose of Sharon is also a hibiscus (Hibiscus syriacus) hardy in zones 4 or 5 through 8 or 9. This is a shrub that blooms in late summer. Prune these in late winter or early spring before growth begins.