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To ensure that your hibiscus plant has well-draining soil, mix equal parts perlite, sand, and potting soil. This flowering genus has permeated almost every climate and living condition known, Hibiscus Bonsai Tree Care Ultimate Genus Guide Hibiscus is one of the most beguiling genera of flowering plants that the natural world boasts with during. Unlike the hardy hibiscus, the tropical one thrives in hot, humid weather. Always position the container-grown flower in a window that faces south or southwest to obtain the most light. Ideally, the air around the plant should be between 60% and 70% humidity. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. But, as with all gardening, even hydrating your garden can lead to complications and poor plant health. The ideal soil texture for the However, its also easy to overwater them. The leaves may also be falling off easily and the plant may look overall unhealthy. We and our partners use cookies to Store and/or access information on a device. } Potted varieties are more prone to over-watering than outdoor plants, especially in winter when the plants enter dormancy and require less moisture. If the leaves of your hibiscus plant are browning, its a sign that the air is too dry. (9 Common Causes), Why Are My Hibiscus Leaves Turning Yellow? Youll need to keep a close eye on your plant for a while. Provide about six hours of direct sunlight to the plant, particularly if you want to see the gorgeous blossoms. Receive Teleflora emails and be the first to know about exclusive offers, promotions, and more! This will help the plant to absorb the water it needs. That said, what happens if you have an overly wet season or you accidentally give your hibiscus too much water? I find Hibicus Plants or trees to be a very thirsty plant. How Long Can Flowers Go Without Water? Overwatered Hibiscus? | ThriftyFun As a result, the plant will become stressed and may start to experience problems. If you dont have any new potting soil, use the old dirt from the pot, but let it air dry slowly. This tropical tree grows in full sun or partial shade and does best in moist, well The hardy hibiscus cultivar is perfect for small sunny gardens, foundation planting, or growing in pots. Take and finger and place it into the soil at a point somewhere near the plants base. Brown Leaves To bloom successfully, a hibiscus plant needs a lot of nutrients. Frequently Asked Questions about a Wilting Hibiscus. hibiscus vector. Bonsai Alchemist is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. You can plant inside, despite their light requirements. If your plant has root rot, the whole plant will be drastically affected, not just its individual branches. All you have to do now is make sure the illumination is bright enough. Hibiscus plants like bright light but too much direct sunlight can cause the leaves to turn yellow and even brown. As a result, pay equal attention to the light, fertilization, and other growing tips too. As a result, do not overwater your plant throughout the winter. Use a moisture meter in pots or near outdoor plants to get an adequate reading of the water in the soil. If you notice any sign in the leaves, moisture, or root system, take immediate actions to heal your plant. Join. A feature of most hibiscus flowers is the long colorful protruding stamens emerging from the flowers center. Grouping plants together helps to create a microclimate around the plants. You can use a humidity tray to increase the humidity around your hibiscus plant. When you water your hibiscus plant, make sure to water deeply. Even though each hibiscus flower lasts one or two days, the small compact shrub is in constant bloom from mid-summer until fall. Hopefully, the tips we have shared can help with your gardening. If you see that the hibiscus leaves are drooping, check the soil to see if its dry. This compact hibiscus only grows 3 ft. (1 m). Unlike other Hibiscus diseases, root rot doesnt turn the leaves of the Hibiscus yellow. Overwatered Hibiscus The disc-like flowers are a deep magenta-pink color with a crimson red eye in the center. To increase the humidity around your hibiscus plant, use a humidifier or put the plant on a pebble tray. Are You Sure that Plant Needs Water? If the air is too dry, the plant will start to experience stress. Another sign of edema is indentations on the top of leaves. Youre looking for limp branches, yellow leaves, wilted flowers, or anything of the like. You need to lift the pot carefully out of its drip tray and then empty out the water that has collected there. Her published articles have appeared in various print and online publications. When the soil has been dry, it will start to crack. If the leaves of your hibiscus plant are browning, its a sign that the air is too dry. Another reason for yellow leaves on a hibiscus plant is an unexpected, abnormal drop in temperature. I am sure that it will. It will take some time for your hibiscus plant to recover from being underwatered. All Rights Reserved. Hibiscus plants are popular for their large, showy flowers but are susceptible to several problems. If the pot doesnt have good drainage, the plants roots can become waterlogged, leading to root rot. Your hibiscus plant needs watering almost every day during the springtime to mid-summer periods. As a result, its up to the gardener to ensure that the plant gets enough water. Its usually a healthy, vibrant plant, so when its wilting, your Hibiscus is telling you that theres something wrong. Often, these cells are filled to the point of rupturing. What Causes Hibiscus Leaves To Turn Yellow? First, you need to remove your hibiscus from its pot entirely. This is when the plant has gone into shock because the temperature is too cold. Dont stress, if you have overwatered, you are only guilty of giving too much love. The third sign that your plant ", Free Hibiscus Photos. This can lead to severe problems, such as: There are a few different reasons why a hibiscus plant might become underwatered. In cold temperatures, the tropical Hibiscus may wilt due to cold shock. This is the next logical step if youve identified evidence that your hibiscus root system has started down the path of decay. Hibiscus Photos, Download The BEST Free Hibiscus Stock Photos When a plant is underwatered, the growth will slow down because the plant is unable to transport nutrients to the leaves and flowers. Moisture meters help prevent over-watering issues. } For a root wash, remove the plant from its pot, shaking away loose earth from the roots. Are You Sure that Plant Needs Water? 5 Signs of Overwatering Because, tropical also hibiscus require ample moisture, try to give them more water throughout the flowering stage. Best of luck with your Hibiscus! Aphrodite Rose of Sharon grows between 8 and 12 ft. (2.4 3.6 m) tall and up to 10 ft. (3 m) wide. If the soil is dry when you test it, then most likely, your hibiscus is wilting because of under-watering. WebHibiscus plants need regular watering like all other plants. (I have a lemon tree in my front yard that produces the sweetest hybrid oranges when I give it loads of water). Water only until moisture begins to slowly drip from the bottom of the pot, then promptly empty the drip tray. Hibiscus plants need plenty of sunlight to flower. Hibiscus Luna Red grows in zones 5 through 9. Several things can cause leaf drop, but underwatering is one of the most common causes. Take your shears once again and make your way around the foliage on your hibiscus, removing anything that isnt green, thriving, supple, and fresh. However, if your Hibiscus has a disease such as root rot, then saving it might be more difficult. You can do this by removing dead flowers and pruning broken branches often. Water is essential for plants because it helps them to transport nutrients and minerals from the soil to the rest of the plant. The overwatered hibiscus looks wilted and yellow, practically as if it is dying from a lack of water, although the soil is still damp. In the dry season spray your Hibiscus with water twice a month. This post will give you a comprehensive guide to caring for and avoiding overwatering your plant. Black, white, yellow, brown, or green insects on buds, flowers or leaves . This is because the water in the soil has evaporated, and the soil can no longer hold onto it. The stunning feature of hibiscus trees is their masses of tropical blooms that cover the crown in color. Root rot is caused by a fungus called Phytophthora cinnamomi. It's NEVER predictable. WebBrowse 25,150 hibiscus stock photos and images available, or search for hibiscus pattern or hibiscus vector to find more great stock photos and pictures. These spectacular flowering shrubs only grow in zones 10 through 12, with a few suitable for zone 9. To do so, gently unpot the hibiscus and wipe any soil away from the roots using a soft brush. Your hibiscus will slowly return to life and bloom with its distinctive huge, brilliantly colored flowers. Making sure that you remove all of the unhealthy parts. Hibiscus trees are usually the tropical Chinese hibiscus tree (Hibiscus rosa-sinensis) or the rose of Sharon hardy hibiscus (Hibiscus syriacus). The ideal soil texture for the The velvet hardy mallow Hibiscus grandiflorus grows between 6 and 15 ft. (1.8 4.5 m) and is up to 4 ft. (1.2 m) wide. "name": "Should I re-pot a wilting Hibiscus? Trim off any dead leaves or foliage and flowers exhibiting rot symptoms with clean shears. "@type": "Answer", If the plant hasnt had to struggle with overwatering for too long, it will still appear to be in good condition. This cold-hardy hibiscus thrives in zones 4 through 9. Place the hibiscus plant on the tray and ensure the pots bottom is not touching the water. Remove any mulch around the base of an outdoor hibiscus to aid soil drying. The cold-hardy Airbrush Effect hibiscus is a small shrub with delightful vibrant pink flowers. Aphids, mealybugs, and scale insects are all common pests that attack hibiscus plants. Aside from watering, other factors play vital roles in raising your plant. Rid of Aphids on Hibiscus [FOR GOOD The tropical hibiscus can thrive in warm climates, while the hardy hibiscus (also known as a hibiscus spp) prefers cold weather. Thank you for reading! Hibiscus Berry Awesome flower: Gigantic round plate-like flowers with dark pink ruffled petals, a red center, and yellow fuzzy stamen. They should look healthy, firm, and creamy. April 26, 2007. The most common cause of wilting in Hibiscus is either over or under-watering it. "mainEntity": [ ", To prune the plant, cut back the stems to about 6 inches. Edema Your email address will not be published. WebHibiscus plants are beautiful flowering bushes that take a lot of care, but if you are looking for a tropical touch to add to your garden, you have found the perfect plant. The next step in determining an overwatered hibiscus plant is checking and touching the growing soil. This probing device gives you an instant reading of the humidity levels in all parts of the soil. But dont you worry a bit. { Pick plants that dont require much water at all like succulents. Thousands of new images every day Completely Free to Use High-quality videos and images from Pexels. This is the easiest sign that your plant has had a little too much agua. If the plant hasnt had to struggle with overwatering for too long, it will still appear to be in good condition. The rule of thumb is to keep the soil moist adequately. Once the soil your hibiscus is planted is once again dry, you can start introducing small amounts of water into its ecosystem. For cold shock, move the plant to a sunnier or more protected spot. Plantophiles 2023 |UpVision GmbH | Privacy Policy | About us, In cold temperatures, the tropical Hibiscus may wilt. Read on to find out about some of the most stunning types of hibiscus that you can grow in your front or backyard. If you think your hibiscus is getting too much sun then give it some shade. The tropical hibiscus cultivars are generally Chinese hibiscus (Hibiscus rosa-sinensis) or Hawaiian hibiscus (Hibiscus arnottianus). And, compared with the Wilt Disease, youll find it on individual branches of the Hibiscus, as opposed to the whole plant. Protect Your Hibiscus Plant from the Sun, Why Are My Hibiscus Leaves Drooping? Many plant lovers and gardeners make the mistake of overwatering their hibiscus plants. Foliage on this small shrub is maple-like, dark green leaves. However, it should still be damp so that your little plant can grow. hibiscus pattern. These plants do well with water, How to Revive an Overwatered Hibiscus HIbiscus requires a good deal of moisture to thrive because of how substantial the plant is and how big, How Do I Keep My Hibiscus Small? Awarded Hibiscus of the Year in 2005 by the American Hibiscus Society, this slow-growing shrub can be kept in containers, planted as a specimen, or used to add Soak the plant for 30 minutes to an hour. Organic mulches, such as bark chips or straw, work best. Best Potting Soil for Houseplants The 11 Winners! First, water your plant thoroughly and make sure the soil is moist, not wet. This shrubby hibiscus is also ideal for growing in containers. Hardy hibiscus cultivars bloom from mid-summer until fall. 6 Common Reasons & Experts Tips. Hawaiian white hibiscus flowers: This tropical hibiscus has stunning white, star-shaped flowers. Also, remember to reduce the water supply for it in cold weather. If you need any further information about gardening tips, please feel free to ask. Its time to begin watering hibiscus again when the soil starts to look drier and less damp. Jenny Harrington has been a freelance writer since 2006. When a hibiscus plant doesnt have enough water, it cant perform these essential functions properly. To protect your hibiscus plant from too much sunlight, place it in an area with plenty of indirect light. Overwatering can cause root rot. If the plant is overgrown, you can prune it back to help it recover. Empty the drip tray immediately if it has Edema occurs in wilting hibiscus, which means you soak it in water for too long and excessively. Being a type of swamp rose mallow, you can also plant this hibiscus near ponds or streams. The tropical type is more favorable since it is evergreen. You may carefully nurture your overwatered plant back to life by cutting the damaged sections of the leaves, roots, stems and repotting the remaining plant in moderately wet soil. Hibiscus Bonsai Tree Care | Ultimate Genus Guide, The Bonsai Show Live 2022: All You Need to Know, 12 Incredible Health Benefits of Hibiscus. Types of Red Mushrooms (With Pictures) - Identification Guide, Gayfeather (Liatris Spicata): Care, Growing Guide and Types (With Pictures), Drought Tolerant Plants That Dont Need Water (Or Very Little Water), Creeping Thyme Lawn: Types, Advantages and Care, Types of Hibiscus: Common Hibiscus Varieties with Their Flowers and Leaves (Pictures) Identification Guide, perennial blooms continuously throughout the summer, Tropical Hibiscus: Care and Growing Guide. Do not let the plant dry out again, as this will prevent recovery. Tropical hibiscus plants bloom throughout the year but only grow in USDA zones 9 through 12. The Red Dragon hibiscus has moderate to fast growth and thrives in zones 10 and 11. Now, You said your plant got a temendous amount of rain. This is why your watering routine should be the first thing you check when it comes to a wilting Hibiscus. Cut any rotten roots off the exterior of the root ball with clean shears, then repot the hibiscus into fresh, slightly moist soil in a clean pot. "@type": "Answer", Soil dries more slowly in cool, stagnant air, so providing warmth and air flow helps dry out the soil more quickly. Oiseau Bleu hibiscus has stunning flowers with contrasting dark burgundy veins and a dark cherry red center with a conical white stamen. Watering deeply encourages the plants roots to grow deeper into the soil, which makes the plant more drought tolerant. Once your plant has started showing symptoms of wilt disease, you must act quickly. Its time to start putting on your hidden super-gardener gear and save your flower once youve confirmed that its been growing in too much moisture. hibiscus This will keep your clippers clean and prevent any cross-contamination. If your hibiscus plant is wilting, its leaves are turning yellow or brown, and the flowers are dropping off, its likely that its not getting enough water. The hibiscus evergreen cultivar Brilliant has shiny red flowers with five large, ruffled petals that bend backward. Learn the signs of overwatering here: It looks wilted, but the soil is wet. This will help the plant to absorb the water it needs. If a hibiscus plant becomes root-bound, it may start to experience problems. Provide about six hours of direct sunlight to the plant, particularly if you want to see the gorgeous blossoms. The shrubby plant dies back to the ground, and its essential to cut back the bare stems. Here are a few tips on how to prevent underwatered hibiscus plants: The best way to know if your hibiscus plant needs water is to check the soil. The brilliant white petals contrast with long red stamens emerging from the funnel flowers. Hardy hibiscus leaves are dull green with serrated edges and are usually heart-shaped. Potted plants should be slightly root-bound. However, it still needs some afternoon shade if the weather is too hot. Leaves of tropical hibiscus (left) vs. leaves of hardy hibiscus (right). Because, tropical also hibiscus require ample moisture, try to give them more water throughout the flowering stage. Brown leaf tips or edges are usually caused by a lack of humidity, not a lack of water. Your little tree requires a different amount of water depending on the weather. Some of the most attractive hibiscus flowers have multi-colored petals. Pruning the plant will help it to focus its energy on new growth. When growing a healthy hibiscus, it may be very distressing to look at it and see hibiscus leaves turning yellow and drooping. If you see any pests or diseases, treat them immediately. Aphrodite hibiscus flowers are 4 (10 cm) across. Remove as much wet soil from around the roots as possible. The soil may be soggy or muddy, even if the plant was not recently watered. But how to tell if you have been overwatering your plant? And most importantly, to prevent reinfection, use fresh soil and a sanitized pot. Containers, once again, make this job simple. The ideal soil texture for the plant is moist and relatively spongy, rather than dripping or soaking wet. The outstanding feature of El Capitolio flowers is its large, showy stamens. Top the pot off with more fresh soil & food, Water until soil is moist, Not soaken. For future reference, most hibiscus plants enter a stage of dormancy during the colder winter months. Always water more in the summer and less in the winter. This will help the roots from rotting from sitting in so much water. Pull it loose from the pot gently yet firmly. Use a pot thats only slightly larger than the one its currently in. Hibiscus rosa-sinensis El Capitolio grows between 6 and 8 ft. (1.8 2.4 m) and thrives in zones 9 and 10 when growing in warm sunshine. We love Hibiscus because its beautiful and easy to care for. Also called the Blue Bird rose of Sharon, this hibiscus cultivar has lilac or purple trumpet-shaped flowers. WebTiny bright white insects fly out of hibiscus when leaves are shaken . Another reason why Hibiscus leaves might turn yellow is because of too much sun exposure. If you see any pests, remove them by hand or use a natural pest control method. Sometimes if a Hibiscus plant has become overwhelmed, To keep your Hibiscus radiant and disease-free, you should, be sure to disinfect your pruning shears between plants. The funnel-like flowers can grow between 3 and 10 (7.5 25 cm) across. Its better to water your hibiscus plant deeply and less often rather than watering it shallowly and more often. } White Chiffon rose of Sharon has a rounded habit and grows 8 to 12 ft. (2.4 3.6 m) tall and up to 6 ft. (1.8 m) wide. hibiscus tea hibiscus flower flower marigold tropical However, too much moisture is not a good idea. Photos 519 Videos 51 Users 8. Luna Red hardy hibiscus shrubs have burgundy red, disc-like flowers. Hu Tao Guide: Eulogy of the Departed - KQM, Legal Highs: The Top Legal Psychoactive Plants in the US and Canada, Teal vs Turquoise: The Key Differences, Explained, Why Your Home has High Humidity, and How to Lower It, After Ever Happy plot: Here's what happens in the After We Fell sequel, Wisconsin farm grows produce even in the winter, Yellow Leaves & Brown Spots Southern California Hibiscus Society, Hibiscus Leaves Turning Yellow? Because this plant cant flourish during the colder months of the year, it needs far less moisture in the fall and winter. Unlike with wilt disease, the tips remain green. While hibiscus plants are drought tolerant, they dont like having their soil completely dry out. Chemical control is usually more effective at treating pests. The ideal location for a hibiscus plant is in an east- or north-facing window. Hardy hibiscus flowers are single blooms in colors of white, pink, purple or red and can be very large. The group of plants will help to shade the soil and slow evaporation. Hence, make sure you soak the soil entirely when watering. Hibiscus is a genus of sun-loving shrubs and small trees with tropical-looking showy flowers in shades such as pink, bright red, pastel orange, white, and yellow. Remember not to let it dry completely. Their signature slender pollen, How To Care For An Indoor Bonsai Bringing a bonsai into your home is a lot more important than you might think. Empty the drip tray immediately if it has standing water in it. If you dont catch the problem early, it can cause lasting damage to the plant. "@type": "Question", Root-bound means that the plants roots have become so crowded that they cannot absorb enough water and nutrients. Repotting is a popular method in planting hibiscus. An affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Heres what you need to know about underwatered hibiscus, including how to identify it, treat it, and prevent it in the future. Sometimes, particularly in summer, the topsoil may feel dry while the deeper soil is still damp. The overwatered hibiscus looks wilted and yellow, practically as if it is dying from a lack of water, although the soil is still damp. These little trees need a lot of water, especially while theyre flowering and the weather is hot outside. Instead, please give it some water when the soil is too dry. If you need any further information about gardening tips, please feel free to ask. You may notice that the leaves will start to turn yellow and drop. Thats why its essential to familiarize yourself with the signs of an underwatered hibiscus. An example of data being processed may be a unique identifier stored in a cookie. Steps for Reviving an Overwatered Hibiscus Step 1: Empty the Drip Rose of Sharon has showy single or double blooms in red, blue, purple, white, and pink hues. Its now time to remove the dead leaves. Rose of Sharon White Chiffon flowers: The snow-white crinkled flowers are 4 (10 cm) across, and two rows of five petals make these hibiscus blooms exceptionally showy. The El Capitolio hibiscus is a tropical shrub with magnificent dusty orange and red flowers. Not only does the plant show signs of overwatering in its leaves and flowers, but the roots can also be an indication. Rose of Sharon Aphrodite flowers: Pink flowers with red center in the shape of a cup with a ruffled appearance. Your little tree requires a different amount of water depending on the weather. You get root rot if the roots have a terrible odor, are black or brown, and mush under the touch of your forefinger and thumb. If a plant has root rot it is best to remove it from any garden bed so it cannot spread the disease. }, When the weather warms in spring, hardy hibiscus has vigorous growth and soon becomes a leafy bush producing exotic flowers. If the leaves turn brown and wilt, there is the possibility that you have been overwatering. One of the most common is underwatered hibiscus. Hibiscus Photos Cherry Cheesecake grows up to 5 ft. (1.5 m) tall and 6 ft. (1.8 m) wide. Choosing the best one has, Top 10 Oldest Trees In The World Standing tall through millennia, the oldest trees in the world are a fantastic sight to. As a result, well pay greater attention to it in this article. If your Hibiscus is wilting, it could also be a reaction to environmental stress such as excessive sunlight. If the soil is too dense, it will not allow the roots to breathe, and the plant will not be able to absorb water. Swamp Rose Mallow (Hibiscus grandiflorus). I find Hibicus Plants or trees to be a very thirsty plant. These are caused by fungus or bacteria. Rose of Sharon (Hibiscus syriacus) is another hardy perennial hibiscus species with flowers that look tropical. Take a finger and insert it about an inch into the potting mix. Several things can also cause yellow leaves, but underwatering is one of the most common causes. WebIf the plant is really dry, you can soak the plant in a sink or tub of water. It would be best to water your flower until the soil is totally wet, then wait until it is dry to the touch before spraying again. Tropical varieties are susceptible to cold and only grow in zones 9 to 11. When a plant is underwatered, the hibiscus leaves will start to fall off because the plant cannot transport nutrients to the leaves, causing them to die. Depending on. However, the hibiscus is in constant bloom from mid-summer until the fall. Most hibiscus propagation is from cuttings. Pro tip: Aphids like If the roots aren't showing signs of rot and producing no foul odors, you can usually allow the soil to dry naturally. yellow hibiscus. At this stage, the rot has gone too far and the chance of your plant recovering is slim. You should be able to clearly see the bad parts. I understand that this is a season-dependant move, but try to the best of your ability to get your hibiscus warm and a little drier. If you see that the leaves of your hibiscus are turning yellow, check the soil to see if its dry. Individual hibiscus flowers may only bloom for a day or two, but the bushes produce blossoms throughout the summer. Edema occurs in wilting hibiscus, which means you soak it in water for too long and excessively. You can report your plant into a new one with clean, slightly moist soil after cutting the damaged parts of the root ball away. The best way to do this is to lift your plant out of the pot. Hibiscus Eye of Kali grows 4 to 6 ft (1.2 1.8 m) high. Remember that hardy hibiscus is the best type to grow in colder climates as it handles colder temperatures far better than the tropical variety can. However, too much sun can cause the soil to dry out too quickly. If there is no evidence that root rot has set in, you should be able to simply move the entire pot to a warmer location. Depending on how big your hibiscus and its pot are, this may require a good deal of digging. Over-watered plants lose both young and old leaves, have mushy roots and may develop mold or rot spots on leaves and flowers. Hibiscus plants need well-draining soil to thrive. "@type": "FAQPage", The hibiscus flower is a moisture-loving species. Checking the roots is the final step in determining whether you have been overwatering your hibiscus. The content on this website is tested and reviewed by our expert. The best way to do this is to lift your plant out of the pot. WebIf the plant is really dry, you can soak the plant in a sink or tub of water. To prevent root rot, plant your hibiscus in well-draining soil. The fungus grows in the soil and invades your plant via the roots and disrupts the capillary system. You can easily see the white and firm roots. If the soil still feels dry, it may need water. Hawaiian white hibiscus (Hibiscus arnottianus). Now, When the soil is dense with water, it can limit the ability of the roots to breathe, they will then drown and begin to rot. Hibiscus is a water-loving plant. Chinese hibiscus (Hibiscus rosa-sinensis)This tropical hibiscus has large, funnel-shaped flowers that come in a wide array of colors, such as pink, red, yellow, or peach flowers. Although it isnt a big issue, it will destroy your plant if ignored. When it begins to dry, Water it lightly until it starts coming back to life. These enzymes have one objective; to break down biological matter. What can you do to revive it? The rule of thumb is to keep the soil moist adequately. (I have a lemon tree in my front yard that produces the sweetest hybrid oranges when I give it loads of water). This is supposing your hibiscus plant or bonsai is in a pot. It would be best to water your flower until the soil is totally wet, then wait until it is dry to the touch before spraying again. The leaves of a plant that has got submerged will be brittle and yellow, and the growth will bend upwards and wither. This will prevent cross-contamination. Its entirely pointless spreading decaying tissue and the enzymes responsible for the decay of biological matter to your other plants. However, its also easy to overwater them. If you see brown leaf tips or edges, check the soil to see if its dry.