Hibiscus Care Guide (Tips for Optimal Growth and Maintenance) - The Practical Planter (2024)

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Hibiscus plants are wildly popular because of just how beautiful they look in a garden setting. Buying some hibiscus plants and putting them in your garden could give your property more of a tropical aesthetic.

The hibiscus is certainly a visually dazzling plant to behold, and you might be looking into planting more in your gardens soon enough. These are great plants to care for, but you’re going to want to ensure that you learn the basics.

To have a good experience caring for hibiscus plants, you’re going to need to keep certain things in mind. Knowing what you’re doing will ensure that the hibiscus plants will thrive.

Keep reading to learn about important hibiscus care tips that can help you to get optimal results. Once you’ve read through all of the tips, you’ll be ready to start growing hibiscus plants to the best of your ability.

There Are Different Types of Hibiscus Plants

One of the first things to know is that there are actually different types of hibiscus plants that you can choose from. You’ll be able to buy tropical hibiscus plants, but there are also hardy hibiscus plants.

The basic thing to know about tropical hibiscus varieties is that they don’t deal with the cold well and prefer warm, humid environments. These hibiscus plants are some of the most well-loved due to how colorful and vibrant they are.

They can keep their leaves and stick around all year long so long as they’re kept in the right temperatures. Otherwise, it’s possible to treat tropical hibiscus plants like an annual, assuming that you don’t wish to overwinter them.

Hardy hibiscus plants can live throughout the winter, but you’ll need to prune them down before winter starts. You cut these plants back to around six inches above the ground.

These hibiscus plants aren’t as vibrant as the tropical ones, but they’re still quite appealing as they come in red, pink, and white colors. There are quite a few varieties of hardy hibiscus plants, and they’re good for people who want to keep hibiscus plants outside even during the winter months.

Which plant you will want to choose might depend on where you live. If you’re living in a warmer climate, then a tropical plant might make sense, but choosing a hardy hibiscus plant is wise if you live in a cooler area.

Consider Growing Hibiscus Plants in Containers

It might be good to consider growing hibiscus plants in containers. Lots of people go this route because it makes it easier to transport the plants when necessary.

You see, there are going to be certain times of the year when hibiscus plants will love being outside. When the winter months come, you might need to move your hibiscus plants somewhere safe to keep them going.

Aside from worrying about the time of the year, containers make it easy to move your hibiscus plants in and out of direct sunlight. Generally, you’re going to want to ensure that hibiscus plants get six hours of good sunlight each day.

You can move them out of the sun when they’ve had enough so that you don’t have to deal with any issues such as them getting burned. It’s actually really smart to place hibiscus plants in the shade when it’s particularly hot and sunny so that you won’t have problems.

Hibiscus plants do love humid and warm conditions, but you’ll be able to move them as necessary when they’re in containers. It isn’t completely necessary to do this, but it might give you a better experience overall.

When you’re growing hibiscus plants in a container this way, you’re going to want to try to put them in containers where they will fit snugly. You don’t want to leave too much room because they won’t do as well with the excess space.

The hibiscus plants will actually look slightly rootbound when being grown in this fashion, but that’s perfectly okay. You will need to repot eventually, but you still won’t want to give them a lot more room.

The Best Temperatures for Hibiscus Plants

Hibiscus plants are going to thrive at certain temperatures and do terribly in others. If you want your hibiscus plants to do well, then you should try to keep them in temperatures that are between 60 degrees Fahrenheit and 90 degrees Fahrenheit.

This means that during the spring and summer months, your hibiscus plants will be able to go outside if the weather is suitable. If you live in an area that has colder weather during the spring, then you might want to wait to take the hibiscus plants outside until the temperatures are regularly above 60 degrees Fahrenheit.

Temperatures that are too hot can be a bit problematic for hibiscus plants. If you’re regularly seeing 100 degrees Fahrenheit temperatures, then you might want to take your hibiscus plants back inside.

It’s also important to understand that hibiscus plants cannot tolerate freezing temperatures at all. If you leave your plants out when it’s set to dip below 32 degrees Fahrenheit, then they’re likely going to die.

That’s why it’s so good to plant hibiscus plants in containers because you can move them as necessary. You can transfer them outside when it’s time for them to be outdoors and bring them in when the weather isn’t suitable.

Hibiscus Watering Tips

Watering is going to be an important part of the process no matter what type of plants you’re caring for. When you’re caring for hibiscus plants, you’re going to need to give them a lot of water when they’re in the blooming stage.

During the blooming stage, hibiscus plants require much more water than usual. Just keep this in mind when the hibiscus plants are blooming so that you can check on them and water them more often.

It’s also true that it’s necessary to water hibiscus plants more when the weather is warmer. Hotter weather will necessitate more frequent watering sessions.

Generally, you’re going to be watering your hibiscus plants twice weekly when they’re planted in the ground. Hibiscus plants that are being grown in containers will need to be watered between three and four times a week in the summer depending on various factors.

Once the summer months are over and things are cooling down, you’ll be able to water the hibiscus plants a bit less. You’ll want to be careful not to water the hibiscus too much when things are cooler because you could accidentally kill the plant.

Once the winter months have come around, you should only be watering the hibiscus plant when the soil is dry. Touch the soil with your fingers to see how it is before you decide to give it any water.

Ensure That Hibiscus Plants Have Good Soil with Excellent Drainage

As you might expect, it’s going to be wise to pay attention to the type of soil that you’re using for hibiscus plants. This is going to be true whether you’re planting hibiscus plants in the ground or you’re growing them in containers.

The best type of soil is going to be well-draining because hibiscus plants do terribly in waterlogged conditions. Most hibiscus experts agree that soils that consist of loam and sandy loam do the best for these plants.

It is possible for the soil to become a bit too sandy, though, but this can be fixed. Adding a bit of mulch or even just some organic matter to the soil should do the trick.

Just don’t use dense types of soil that won’t drain well for hibiscus plants. If you do that, then you’re not going to see good results while caring for these plants.

Hibiscus Fertilizing Tips

Using fertilizer on your hibiscus can actually be quite helpful. These are plants that need nutrients to be able to bloom properly, and fertilizer can help your hibiscus to get the nutrients that it needs.

During the summer, it’s recommended to find a fertilizer that is high in potassium that you can give to your hibiscus plants. There are a few methods you can use when determining how to deliver the fertilizer.

Some people prefer to fertilize their hibiscus plants once each week using a liquid fertilizer that has been properly diluted. If you don’t dilute the fertilizer, then it could be too strong for the hibiscus plants and wind up causing issues.

Another option is to use a slow-release fertilizer once a month. The overall results will be very similar to using liquid fertilizer once each week, and this makes it hard to definitively say what the best approach is.

Some people don’t use commercial fertilizer products and instead choose to add compost to the soil. You could use compost that is high in potassium and get very good results when growing hibiscus plants.

Of course, it isn’t even completely necessary to use fertilizer when growing hibiscus plants. It just helps the hibiscus plants to grow better and makes it more likely that the blooms will thrive.

When the winter rolls around, it isn’t going to be necessary to fertilize your hibiscus plants any longer. Overall, it isn’t hard to fertilize hibiscus plants properly, and that’s why you should consider doing it.

Pruning Is Good

Pruning your old hibiscus flowers is actually going to be a good thing. Getting rid of the deadhead will allow the hibiscus flowers to continue to bloom.

To do this, you just need to take the time to remove old flowers before seeds get the chance to form. This isn’t hard to do or anything, but it’ll allow you to enjoy blooms on your hibiscus plants more often.

It’s also true that deadheading your hibiscus plants will help them to look more aesthetically pleasing. You can easily snip the old blooms off with gardening shears.

You can even use pruning as a way to encourage branching if you’re interested in that. To do this, you’ll need to make cuts above buds and leaves.

Just be sure to remove any trimmings from the plant before walking away. Disposing of the trimmings helps to keep pests away and makes it less likely that you’ll have issues with diseases.

Watch Out for Certain Pests

Pests can be a problem for hibiscus plants, and you should endeavor to keep an eye out for them. Check your hibiscus plants semi-regularly to see if there are any signs of pest problems.

Aphids are some of the most common types of pests that hibiscus plants have to deal with, but you also might see whiteflies or thrips. All of these pests can cause damage to the hibiscus plants, and you’re going to want to keep them at bay.

Some people choose to spray hibiscus plants with insecticide to try to keep pests away. You could also try natural organic repellent methods such as using neem oil.

If you use too much pesticide on your plants, then it’s possible that the leaves could turn yellow on your hibiscus plants. Use this information to determine how you want to deal with pests in the safest way.

Final Thoughts

Hibiscus plants are great and you’re going to have an amazing time caring for them. Now that you know about the tips above, it should be pretty easy to get good results when you decide to plant hibiscus plants.

You’ll need to make good choices when choosing which type of hibiscus plant to go with. You might gravitate toward tropical hibiscus plants because of their vibrant colors, but hardy hibiscus plants can also be fantastic to have around.

Some might even find it more practical to care for hardy hibiscus plants depending on the climate situation where they love. So long as you water the plants correctly and take their sunlight requirements into consideration, you should have a good time raising them.

You’ll have to pay attention to the humidity, the temperatures, the soil that you’re using, and many other things. It’ll be worth the effort in the end because of how nice the plants look.

They’ll add a significant amount of beauty to your gardens most definitely. Have a good time with your hibiscus plants and use what you’ve learned to care for them with full confidence.

Hibiscus Care Guide (Tips for Optimal Growth and Maintenance) - The Practical Planter (1)

Lisa Bridenstine

Growing up with a mom who filled her home (inside and out) with all sorts of plants, Lisa got her start in gardening at a young age. Living now on her own with a home and yard full of plants (including an indoor greenhouse), she shares all the gardening tips she’s gained over the years.

Hibiscus Care Guide (Tips for Optimal Growth and Maintenance) - The Practical Planter (2024)

FAQs

How do you care for a hibiscus plant in a planter? ›

Potted hibiscus typically need to be watered every 1 to 2 days. Check plants daily. If the soil is dry 1 to 2 inches deep, it's time to water. Drench the soil surface until excess water begins to flow out of the bottom of the pot.

How often do you water hibiscus in pots? ›

Tropical hibiscus plants should be kept consistently moist, so water whenever the top inch of soil is dry. (Stick your finger in the soil to check.) Containers may need to be watered 3 to 4 times weekly at the beginning of the summer and daily toward the end of the summer as the plants grow.

What helps hibiscus grow? ›

Hibiscus grows best in slightly acidic soil that has a pH between 6.5 and 6.8. Prior to planting, determine your soil's pH by testing it. If necessary, apply amendments to alter pH. Increase pH by using Pennington Fast Acting Lime, and decrease pH by applying soil sulfur.

What is the best fertilizer for hibiscus in pots? ›

Here, the hibiscus needs the right combination of nitrogen, phosphorus and potassium. An NPK fertiliser with a ratio of 7 – 6 – 5 is said to be ideal for this, but a normal flower fertiliser will also satisfy flower-bearing plants all around.

How long can hibiscus live in pots? ›

Growing hibiscus in pots is not too difficult if you follow a few simple rules. Potted hibiscus can become very old, forty years or more is not that rare. Below is a short course in indoor hibiscus care.

Do coffee grounds help hibiscus? ›

Fertilizing your hibiscus plant is extremely important as it will provide food for your plant that will make it beautiful. It's easy to make hibiscus fertilizer using household items such as coffee grounds, egg shells or dirty fish tank water. All these solutions are cheap and nutrient filled.

Do hibiscus like Epsom salt? ›

A good fertilizer ratio for hibiscus is 12-4-18 or a “high bloom” water-soluble fertilizer. Slow-release granular fertilizers, like Osmocote, can be used in combination with water soluble fertilizer when irrigating. Magnesium sulfate, also called Epsom salt, gives hibiscus foliage a good dark green color.

How do I keep my hibiscus blooming all summer? ›

The plant blooms best in full sun, so increase sun exposure if you think that might be a factor. Also, make certain the soil is moist at all times to support the growth of the plant. Hardy hibiscus blooms on new growth, but pinching the plants too late in summer or pruning severely can delay blooming.

Is Miracle Grow good for hibiscus? ›

Well-Known Member

Case in point...a Rose of Sharon ( hibiscus). I've always been quite impressed with Miracle gro's results ( easily double the foliage compared to no fertilizing) when used on ornamentals. I could definitely use a bumper crop of hibiscus flowers..with all the faces that need feeding.

What triggers hibiscus to bloom? ›

Fertilizer. Providing your hibiscus plant with nutrients is key to achieving good health, and therefore flowers. I've been using an organic fish emulsion based fertilizer and have been so pleased with the results! The blooms this year are much larger and deeper in colour and so is the foliage.

How do you help a struggling hibiscus? ›

Mist your hibiscus every day. Try to really wet down all sides of all the leaves. The extra hydration will take some stress off the roots while the plant recuperates. Continue misting daily until you see active growth.

How do you make hardy hibiscus fuller? ›

If you want to get really bushy and full Hibiscus plants, when the shoots start to come out of the ground and are about 6-10 inches tall, pinch them in half. The pinch should be made just above a set of leaves, this will improve branching. Improved branching will yield more flowers.

Do hibiscus grow better in pots or ground? ›

There are good reasons to keep them potted, such as being able to move them around, but we have also found that hibiscus do very well when planted in the ground in warm climates.

How can I make my hibiscus bloom faster? ›

Insufficient Sunlight: Hibiscus plants require plenty of direct sunlight to bloom. If they're not getting at least 6-8 hours of sunlight per day, they may not produce flowers. Ensure they are in a sunny location. Improper Pruning: Over-pruning or pruning at the wrong time can remove flower buds.

Do hibiscus plants like full sun or shade? ›

Hardy Hibiscus does best in full sun. They will grow in partial shade, but growth and flowering will suffer. If you live in areas with very hot summers, during the hottest part of the day, Hibiscus may need shade. Hibiscus should be planted along, or in the back of perennial flower beds.

Do hibiscus do well in pots? ›

Your hibiscus will thrive best in a pot in soil that is rich in humus and nutrients. It is also important that this is very permeable and excess water can drain away well.

Why is my potted hibiscus dying? ›

The best way to know is check if your the old leaves are drying off, if it is so then your plant needs more water, next check if the new and old leaves are simultaneously dying off then its mostly because of over watering.

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