Decrease watering if temperatures are lower or fall. Hibiscus plants are amazing. Therefore watch out for cold nights below 50°F. The process is the same no matter if you are dealing with hardy or tropical hibiscus. )Alternatively, seeds can be sown outdoors after the last expected frost date. Hibiscus can grow to a size of 15 feet tall depending on the type. Indoor hibiscus plants should be situated near a sunny (southwest facing) window and if that still doesn't provide enough light, you can augment with artificial lighting. Hardy hibiscus refers to several hibiscus in the mallow group. The process, in a nutshell, is to take a stem cutting, root it and then plant it. The best location for hibiscus is a place in your garden with full sun for 6-8 hours … Let’s now move on and look into the right humidity for your plants. These plants prefer full sun for at least 6 hours per day. Make sure to keep your hibiscus tidy and remove any debris around it as well as cutting off any dying leaves and blooms. Follow these steps to repot your Hibiscus: Prune your hibiscus plant back to about 1/3 in early spring. It prefers loamy and sandy soil that is well-draining and moist. The colder it gets the less water your plant needs. 15 Feet certainly is the higher end and can only be reached in tropical regions where there is no frost. Drainage holes in the pot are a must as you do not want the pot to become waterlogged. Check the soil and make sure it is lightly moist and not soggy. Read our article about light levels for houseplants and where to place them. Make sure to leave two to three nodes for the plant to grow back. If you do not have your tropical hibiscus in a pot and can take it indoors overnight the only thing you can do is to pray. Tropical hibiscus blooms from spring to autumn. Fertilize your hibiscus every two weeks from spring to summer. Please consider supporting us by disabling your ad blocker. The flowers are unmatched and hibiscus has been cross-bred so that it comes in so many different variants with stunningly different looking flowers. Also, have a look at our Epsom Salt article. You can slightly cut and prune your hibiscus in summer as well if you need to. Do not prune during autumn or winter. Use either slow-release fertilizer or liquid fertilizer. Cut the plant back to 1/3 in early spring, Put your plant in a location in spring where it gets at least 6-8 hours of full sun. Remove any leggy growth and remove all the dead branches or weak growth. Hibiscus, as well as most other plants, do not appreciate it if you overwater. increase the amount of sun gradually if your hibiscus plant is in a pot. Either by moving a hibiscus from a shaded area to a location where it is exposed to the sun. One variety is the Texas Star (Hibiscus cocchineus). Hibiscus are deciduous shrubs with dark green leaves; the plants can grow to 15 feet tall in frost-free areas. Avoid propagation in autumn and winter as the propagation process will take much longer. When there is no rainfalls water about twice a week and every second day in the second week after you have watered daily in the first week. These are essential macronutrients for plants and are also part of NPK fertilizers. Read our NPK fertilization guide to get a better understanding of what we are talking about here. Do not water immediately! Water your hibiscus daily 2 days after planting. Do it over the course of 2 weeks and increase the level of sunlight gradually. Add some vermiculite or perlite to the soil to make it airier. If you grow your hibiscus in a pot, dilute your fertilize to half of the suggested strength. You can propagate hibiscus by using stem cuttings. When you move it back outdoors in spring let it adjust slowly to the increased light levels over 7-14 days. Our website is made possible by displaying online advertisements to our visitors. Read our article about everything you need to know about NPK Fertilizers. Some hardy varieties can grow in USDA hardiness zone 4 and tolerate temperatures that are 30 below zero Fahrenheit. If you decide to grow your hibiscus in a pot make sure to pick a small pot. Hot weather will require you to water every day. You do not have a guarantee to never have any pests on your hibiscus. The ratios basically describe the mix between Nitrogen (N), Phosphorus (P) and Potassium (K). There are very few plants with such stunning flowers that can grow in USDA hardiness zones down to 4 that look so tropical. However, keep in mind that these suggestions are for the best results. It has striking foliage and loves direct sunlight. Therefore, whenever you are changing the location of your hibiscus, slowly adjust it to the new location and eg. Tropical hibiscus (Hibiscus rosa-sinensis) is also known as the Chinese hibiscus, is hardy in zones 10 – 12 according to the United States Department of Agriculture. You can either use a slow-release fertilizer or make use of liquid fertilizer. The species plant is a wetland plant, and hardy hibiscus flowers can be treated as plants for wet soils. Move it inside whenever temperatures are expected to drop below 50°F. Hibiscus can be planted singly or grown as a hedge plant; they can also be pruned into a … Remember to adjust your tropical hibiscus slowing to lower light when moving it indoors. Rose Mallow and Swamp Hibiscus can be purchased as young plants from nurseries or started from seed or cuttings. Place your hibiscus into full sun for at least 6-8 hours a day. Prune your hibiscus in spring. They love slightly acidic soils as this helps them to absorb nutrients better. A couple of them are sufficient to kill a hibiscus plant. Hibiscus can get sunburnt. Tropical hibiscus prefers temperatures between 50 – 70 °F (10°C – 21°C). You can also use Epsom salt as this is said to lead to bushier hibiscus plants. Only water if the soil feels dry to the touch. Make sure your watering schedule fits the environmental conditions your plant lives in. The best location. It contains magnesium and sulfur. The general range for hibiscus size is between 5- 15 feet. Cut your hibiscus back to about a third of the plant. When the new growth matures and gets more woody, flowers will start to build that can last from spring to autumn. Sudden moves from a shady spot to a sunny location are often the cause of sunburns. In the summer, use a high potassium fertilizer. When to Plant Hibiscus. This is a mistake most people and even experienced gardeners make. Flowers may be up to 6 inches diameter, with colors ranging from yellow to peach to red. The flowers are rather large and stunning. Prune your hibiscus regularly to allow airflow to the centre of the plant. Hibiscus is best propagated in mid-summer during its growth phase. Soil . They help the plants to absorb nitrogen and phosphorus. The roots might have been damaged during this process. Begonia Sutherlandii Care Tips You Should Know About, Add a well-draining potting medium using pumice and/or perlite, Untangle the roots and remove the old potting soil, Pot into the new pot with the new potting soil. A little pruning goes a long way to bring them back into shape in spring. Its name is derived from the Greek word ἰβίσκος (ibískos). Water your hibiscus thoroughly when they are blooming as this is when they have increased watering needs. Root rot is a common cause of overwatering where roots stay in soggy soil for too long. If you are growing your hibiscus in warm water you might have to water it daily. Philodendron Squamiferum Care – How to Rock it! Therefore avoid overwatering at all cost and test the wetness of the soil with a finger. Up to 8 hours of direct sunlight are best. Avoid soggy soil as hibiscus plants do not like that and to avoid rotting roots. The most likely scenario is that you are bringing in a hibiscus from outdoors to overwinter in your four walls. Hibiscus likes to be pot-bound and prefers when its roots are getting crowded. However as said only certain types will grow that large. So it can beneficial to mist the leaves daily or even use a humidifier when caring for your hibiscus indoors. They are native to warm temperatures and are found in tropical and subtropical regions around the world. Seeds can be sown indoors 12 weeks before the last spring frost. Or by moving a hibiscus that was cared for indoors outside. Check your plants daily for deficiencies and pests. Excess water needs to be able to drain from the pot. The best location for hibiscus is a place in your garden with full sun for 6-8 hours and some shade in the late afternoon in very hot locations. Hibiscus comes in many varieties ranging in size and colour of their flowers. We highly appreciate it! In addition shelter your hibiscus from cold winds and drafts if you can. Hibiscus Plant Care – 10 Best Kept Secrets, The 10 Best Kept Secrets About Growing Hibiscus, Anthurium Radicans Care – Top Tips Revealed. Do not overfertilize your hibiscus as this will most likely promote lush green foliage and will reduce blooming. In cold nights temperatures below 50 degrees Fahrenheit are easily reached even in these hardiness zones. On the other hand, We would also recommend avoiding taking cuttings in late summer. It likes warm and humid conditions. High temperatures and direct sunlight for multiple hours required frequent waterings. You can either use a diluted liquid fertilizer one a week, a slow release fertilizer once a month, or you can add a high potassium compost to the soil. Anything below 50°F can kill your hibiscus. One thing to note is that hibiscus plants are very water and light hungry plants. Therefore a partially shady location is not a complete no-go. What are you waiting for, get yours! The ideal pH level for Hibiscus lies between 6.0 to 7.0. Hibiscus likes humid weather according to the North Dakota State University. The best fertilization ratios for Hibiscus are 7-1-2 or 12-4-8. The right temperature for your plant depends on whether you have a tropical hibiscus or not. The amount of water needed heavily depends on the amount of sunlight and the temperatures your hibiscus is confronted with. I am constantly looking for new houseplants to gradually transform my apartment into an urban jungle. They should be planted in the spring. The genus consists of several hundred different species. An alternative method is to use a gravel tray below the pot that you fill up with water that then evaporates. Consider this when choosing a spot to plant your hibiscus or grow it in a pot that you can move around if needed. (See local frost dates. The higher the amount of sunlight, the lower the temperatures should be for your hibiscus. The miracle for plant growth! Make sure that you are not taking a perennial hibiscus indoors as these should remain outdoors. The woodier the stems get, the harder to root them. A growing hibiscus plant needs lots of nutrients in order to bloom well. This is exactly what happens if you wait until the end of the summer. If you are doing all these things chances are that you are significantly reducing the chances of having any troubles with your hibiscus. But we will get more into the proper care for hibiscus as we dedicated the following plant care section to it. 50°F is the lowest level that should not be tested. Tropical Hibiscus is best planted in pots as it does not tolerate temperatures between 50 degrees Fahrenheit (10 degrees Celsius). Make sure temperatures stay above 50 degrees Fahrenheit. Fertilize every two weeks but not more often. Let the roots callous over for a day or two. Do the same in Spring when you are about to move it outdoors. You will create exact clones of your mother plant this way. Thanks a thousand for your support! Hibiscus prefers moist but not soggy soil. They die back in winter and then start to grow back the next year. This is especially important during winter where you should only water when the soil is dry to the touch. It takes a hibiscus up to 3 years to reach such as size. In general, hibiscus prefers slightly moist soil but it should never become soggy. The reason why gardeners and green thumbs love hibiscus is because of the hibiscus flower. If you have a tropical hibiscus, take it indoors over winter if you have temperatures below 50 degrees Fahrenheit (10 degrees Celsius) and put it into a south-facing window where it gets at least 6 hours of direct sunshine.