
How long do hibiscus flowers last?
The bloom of hibiscus flowers shows up suddenly and radiantly, but in most cases only lasts for one to three days. In most cases, flowers open in the early morning, and they wilt by the evening. For perennials, within a few days after the flowers have closed and fallen off, the supporting plant structure falls as well.
Do hibiscus plants die in the winter?
Hardy hibiscus plants are perennial plants. That means they can survive through the freezing temperature of the winter and come back again in the next growing and blooming season. The hardy hibiscus plants die back in the winter. At that time, the perennial hardy hibiscus plants have to be pruned a little in order to grow better in the spring.
When should Hibiscus be cut back?
The best time to prune a perennial hibiscus plant is at the end of the growing season, usually in September or October. This type of hibiscus can more easily tolerate hard pruning, but make sure you cut back well in advance of any new growth emerging.
Will my hibiscus rose bloom again?
When the temperatures get warmer, the rose will bloom again. New growth can be seen on the plant’s branches and leaves. You may have to wait a few weeks if the entire plant is brown and doesn’t start to grow again. Do perennial hibiscus come back every year? Every year, the hardy or perennial Hibiscus comes back.

How do I know if my hibiscus is perennial or annual?
Many tropical hibiscus flowers have more than one color in a bloom either in bands or as spots. If your hibiscus has dull medium green heart shaped leaves, dinner plate sized white, pink or red flowers with HUGE, bomb shaped buds (2-4" in length!), it is a perennial, hardy hibiscus.
Can hibiscus plants survive the winter?
Even without ideal conditions, you can keep your hibiscus alive through the winter. A cool (50- to 60-degree) place such as an unheated, attached garage where it can get some light works well. The hibiscus will lose most of its leaves and all of its flower buds when you move it into such a situation.
Does hibiscus grow back every year?
Hibiscus plants are divided into two categories, the perennial and the tropical. The hardy or perennial Hibiscus comes back every year. The tropical Hibiscus, on the flip side, is less likely to come back. This is because it thrives best as an indoor plant in containers and cannot survive the winters.
Will my hibiscus come back after winter?
This shrubby plant can survive an occasional frost but its stems and leaves may die back a bit. As long as the roots don't freeze, however, you can prune the dead parts away and new growth will sprout in spring.
How do I protect my outdoor hibiscus for the winter?
To prepare a hardy hibiscus for winter, apply a heavy layer of organic mulch to the soil around the plant to protect its roots. Place frost cloths or string lights over the plant to provide warmth and keep the leaves from freezing.
Where do I put my hibiscus in the winter?
Keep tropical hibiscus in a cool, dark location where the temperature remains near 50 F, such as an unheated garage or a basement. Warmth and sunlight may make the hibiscus break dormancy too early. Tropical hibiscus do not go completely dormant so the plants do require light watering through winter.
How long do hibiscus plants live?
Many traditional varieties of tropical hibiscus can live for over 50 years, but newer hybrids have a lifespan of up to 10 years.
Can you plant a hibiscus in the ground?
Can I plant it in the ground and if so, will they return every year? Hibiscus grow best in the ground, however, they cannot take cold weather, so if you have freezes during the winter, you may want to keep your hibiscus potted.
How cold can hibiscus survive?
Hibiscuses like temperatures between 60-85°F. If temperatures are below 50°F, most growth and blooming will stop and flower size will be smaller and deformed. A freeze will cause the plant to die so be sure to move your plant indoors before the first fall frost.
Should I cover my hibiscus in winter?
During the cold winter months, warm-weather plants, such as the tropical hibiscus (Hibiscus rosa-sinensis), require protection from frost. Once temperatures drop to 20 degrees Fahrenheit, you'll need to cover the hibiscus plants with a frost cloth.
How do I know if my hibiscus survive a freeze?
Checking for Live Wood Scrape away a tiny bit of the brown outer bark of the stem that you are not sure about and look at the color underneath. A live branch will be bright green underneath the bark. If the branch is brown or light tan, it is dead. Some dead stems may be rotten, soft and squishy to the touch.
What do hibiscus look like in winter?
You can expect to see a moderate amount of yellow leaves on your hibiscus when you take care of a hibiscus indoors over the winter. This is normal, and the plant is acting normally. If all the leaves have fallen off but the branches are still pliable, your hibiscus has just gone into full dormancy.
How to keep hibiscus from crowding?
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.
Do hibiscus come back every year?
Hardy hibiscus come back every year and flower all summer. Tropical hibiscus have big, flamboyant blooms in a wide range of colors and can be kept as houseplants over the winter. Click to see full answer.
When Does a Hibiscus Bloom
Some hibiscus plants are tropical while others are perennial, meaning they bloom on an annual basis. Perennial varieties will bloom in the hot months, with August being the most popular time for growth. Tropical hibiscus, however, grows year-round.
How Often Do Hibiscus Bloom
When planting a hibiscus, it is important to know whether it is perennial or tropical in order to understand its blooming cycle. Tropical hibiscus produce flowers constantly, with each blossom lasting only one day.
How Long Do Hibiscus Bloom
The bloom of hibiscus flowers shows up suddenly and radiantly, but in most cases only lasts for one to three days. In most cases, flowers open in the early morning, and they wilt by the evening.
Do Hibiscus Plants Come Back Every Year?
As noted above, hibiscus plants can either be tropical or perennial. Perennial means they will return every year and bloom in their summer growing season. They only flower for a few days at most, but the radiant colors they produce are worth the wait.
What Is the Lifespan of a Hibiscus Plant?
Although the older varieties of tropical hibiscus found in Asian countries and places like Hawaii used to survive for up to fifty years, the modern house or garden hibiscus plant typically lives between five and twenty years.
Final Thoughts
The question of when does a hibiscus bloom comes down to the variety of hibiscus you are growing, the conditions in which it is growing, and how well it is being cared for. Perennials bloom annually whereas, tropical hibiscus keep producing flowers.
When does a hibiscus flower?
From the warm, humid climates like Florida to colder regions in northern states, cold-hardy hibiscus can produce spectacular flowers from mid-summer until fall . This article is a complete care guide to growing perennial hibiscus shrubs suitable for cold climates.
How long does it take for a hibiscus to bloom?
Hardy perennial hibiscus starts blooming in mid- to late-summer. The individual flowers may only bloom for one to three days. However, the large flowering bush will continue blooming for a few weeks until fall.
What is a hardy hibiscus?
Hardy hibiscus is a genus of perennial flowering shrubs or small trees in the family Malvaceae . The three main species of hardy hibiscus are rose of Sharon ( Hibiscus syriacus ), rose mallow ( Hibiscus coccineus ), and Hibiscus moscheutos, which is also called rose mallow or swamp hibiscus.
What is the largest flower in a perennial garden?
Hardy hibiscus also has some of the largest flowers of any perennial garden shrubs. For example, the “Dinner Plate” hibiscus ( Hibiscus moscheutos) is a cold-hardy shrub with huge, flat circular blooms up to 9” (22 cm) wide. Most people think of hibiscus flowers as tropical blooms that only grow in warm climates.
Why is a swamp hibiscus shrub called a swamp hibiscus?
Some hardy hibiscus shrubs are also called swamp hibiscus because they grow in wet soil with medium drainage. In most cases, the best way to care for rose of Sharon, rose mallows, and swamp hibiscus is to ensure the ground is continuously moist in summer.
What color are hibiscus flowers?
Hardy hibiscus flowers are in colors of white, pink, purple or red and can be very large. Hardy hibiscus trees and shrubs bloom with large, round brightly-colored tropical-looking flowers. The funnel-shaped hibiscus flowers open out to create a sizeable plate-like disc with a protruding stamen from the center.
How to propagate hibiscus?
The easiest way to propagate hibiscus is by using stem cutting. Cut a 6-inch (15 cm) healthy softwood hibiscus stem in spring and remove the lower leaves. Dip the branch’s end in rooting hormone and place it in a pot with a loose, damp potting mix. Cover the pot with a plastic bag to increase humidity.
