How to Grow Campanula: 6 Helpful Tips

Wondering how to grow campanula? These flowers, also known as bellflower plants, are beautiful perennial flowers native to many regions. They thrive best in areas with moderate temperatures and cooler nights. Campanula flowers bloom the most in June and July, but some areas can enjoy these flowers well into October.

This article will help you understand how to grow campanula bellflowers, so you’ll be able to enjoy these flowers that can liven up any space.


How to Grow Campanula: 6 Helpful Tips

Caring for Campanulas

You don’t have to be a plant expert to take care of bellflowers. Like any other perennials, campanulas are hardy plants and they are tolerant of extreme weather changes.

Bellflowers need to be deadheaded to encourage more blooms and a longer growing season. During the winter season, you can also cut down the plant so it blooms in the spring. Some campanula varieties are invasive, so make sure to remove the seed heads before it could spread.


Most Popular Types of Campanulas

There are many different types of campanulas, but some of the common ones include the following:



This variant is one of the most common types of campanulas. You can find these beautiful little flowers in the highland fields in North America.


Dwarf Bellflowers

These flowers are best for container gardening. In the wild, you’ll commonly find them in crevasses and they only grow about three inches tall but can spread up to 16 inches wide.


American Bellflower

These types of bellflowers are very active seeders and if left unattended, they can be a nuisance. If kept in control, they’re beautiful flowers that can add to the beauty of your garden.


Carpathian Harebell

This campanula plant can grow up to a foot and they’re one of the most cold-hardy plants.


Tips to How to Grow Campanula Plants

If you’re planning to grow campanula plants in your yard or greenhouse, it’s important to know how to plant, grow, and care for them. Here are some of the tips you should remember when growing campanulas:


Tip #1: Plant them in well-draining soil

Plant your campanulas in aerated soil and place them where they can see partial to full sun. Your plants will produce more flowers if they receive at least eight hours of direct sunlight.


Tip #2: Watering and fertilizing

Your bellflowers will continue to bloom from late spring and last until the first frost happened in the fall. And as mentioned, they’re hardy plants that don’t require much maintenance. You only need to water them during dry periods and fertilize using an all-purpose garden food at least twice throughout the growing period.


Tip #3: Add mulch

After planting the campanulas, add three layers of mulch but make sure not to let it touch the plant because root rot may develop. Mulching can help preserve moisture, prevent weeds from developing, and help fertilize your plants.


Tip #4: Trim deadheads

As mentioned, deadheading your campanulas can help prolong the blooming period. Carefully trim down the plants using gardening shears.


Tip #5: Space them properly

You need to space your plants at least 15 to 20 inches apart because these sprawling plants need space to grow. Congested flowers can be divided during the spring or fall season. You can either cut your campanulas back during winter or you can let it overwinter.


Tip #5: Check for pests

You also need to check your plants for pest infestation. Look out for snails, aphids, and other insects that love to munch on your green leaves. Keep in mind that moisture attracts these pesky pests, so make sure not to overwater or try irrigating the soil.


Tip #6: Check for diseases

Lastly, be sure to check for signs of sickness and diseases. Powdery mildew is a common occurrence among campanulas. These are fuzzy, white coating that can be found on leaves and stems. Prune the affected areas or apply horticultural oil or fungicide.


Growing Campanulas in a Mini Greenhouse

There are many benefits to growing campanulas in a mini greenhouse. Here are some of the benefits of planting in mini-greenhouses:


Protect your plants from harmful insects

As mentioned, snails, rodents, aphids, and other insects would love to eat your produce. If your plants are exposed, they’re also more prone to infections and diseases. Planting them inside a mini greenhouse keeps them safe from diseases and insects that are detrimental to the growth of your plants.


Start planting early on

Regardless of the weather, you’ll be able to plant flowers and other plants at any time of the year. Having a greenhouse allows you to create an indoor microclimate that’s tailored to the needs of your plants. For example, you can grow warm-weather plants even when it’s cold outside with the help of heating systems, grow lights, or other natural remedies.


Protect plants from bad weather

Bad weather can damage even the hardiest of plants. One storm or prolonged drought can kill your plants. Keeping them inside a greenhouse protects them from frost, heavy rains, and drought.


The Bottom Line: How to Grow Campanula

Now that you know how to grow campanula, you’ll be able to enjoy wonderful flowers throughout the spring season. You can place them in containers or plant them directly into your garden.

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How To Prevent Root Rot In Hydroponics: 3 Useful Tips

If you’re a newbie gardener who’s looking to find ways to hone your skills, you’d want to learn how to prevent root rot in hydroponics even before this problem affects your plants.

Hydroponics can be advantageous to crops in more ways than one. However, it also comes with risks of diseases, such as root rot, which can be destructive or even lethal to your plants.

Unfortunately, there are no effective methods to recover the wilted parts that were affected by the root rot once it hits your plants. The only thing you can do if you do not want this catastrophe to befall your crops is to prevent it before it happens. Read on to learn more about this subject.


What is Root Rot?

Root rot is a disease that attacks the plant roots and causes them to suffer decay. This usually happens when a lack of oxygen supply occurs in the substrate.

To give you an idea, think about plant roots that are submerged in water that only has a little oxygen in it. Over time, the plant suffocates and dies.

Aside from rot and decay, this disease also leads to the proliferation of fungi that are naturally present in the soil. These include Rhizoctonia, Alternaria, Pythium, Botrytis, Fusarium, or Phytophthora. As soon as fungi colonies start to grow, they tend to target the weakened roots and infect your precious plant babies.

Once the plant becomes infected, they won’t be able to take in what they need to grow – water, oxygen, and other nutrients. When this happens, it won’t be long before the plant dies.


What is Hydroponics?

In case you’re not aware, the term hydroponic is derived from a Latin word that means “working water”. To put it simply, hydroponics is an art that involves growing various types of plants without soil. If you’re like most people, the first thing that comes to mind when somebody talks about hydroponics would be a picture of plants with roots suspended into the water without using any type of growing medium.


Avoiding Root Rot in Hydroponic Systems

Detecting and identifying root rot can be tricky. When your plants get infected, their leaves and roots gradually wither until the whole crop itself dies from the lack of nutrients, which is a common symptom of many diseases.


What causes root rot in hydroponics?

One of the requirements in hydroponics systems is oxygen. Without it, your plants are basically on the road to death. On the other hand, lack of such is one of the major triggers for root rot, and it must be avoided at all costs.

Just like when planting in soil, you loosen up the ground so that your plants’ roots can have their required intake of oxygen. That is the case for crops grown in aqueous solutions as well. If they cannot breathe, they would not be able to grow.

Another agent for root rot is the temperature. The last thing you would want in your system are parasites that leech nutrients intended for your plants and infect the water during the process. In common terms, these fungi are called molds.

One of the best breeding grounds for these is warm and moist areas. For this reason, if the water temperature inside your reservoir is high, then you are susceptible to it. Something as minor as letting the solutions exposed to sunlight can already be a risk factor.


3 Useful Tips on How to prevent root rot in hydroponics

There is good news! Root rot in hydroponics can be prevented! Just follow these tips:

Tip#1: Use the right air pump

If you do not want root rot to affect your plants, you merely have to avoid its causes. If you need oxygen, keep the water bubbling by providing an air pump of appropriate size, and also give importance to proper ventilation in the room.


Tip #2: Maintain the temperature

The temperature should be maintained within the 70 to 80 degrees F range. Get rid of any materials that can make your system vulnerable to infections, and make sure not to disturb your crops while they are trying to grow.


Tip #3: Get rid of the rotten parts

However, if you failed in preventing the disease, then the rotten parts should be removed immediately. Cut them off as there is no chance of reviving them, and focus on the potential new growth instead. Fix your hydroponics system and eliminate the risks.


Why Give Greenhouse Gardening a Try?

Greenhouse gardening offers numerous benefits to greens aficionados who dare to take their gardening experience to the next level. Aside from acting as a shield against the effects of inclement weather, a mini, hobby, or semi-pro greenhouse can also serve as a protective layer that keeps harmful bugs and critters at bay.

What’s more, its enclosed structure allows you to control your plants’ growing conditions including the temperature, light, moisture, and ventilation of the greenhouse’s internal environment. With a controlled environment, you’ll be able to extend growing seasons and grow plants that aren’t native to your area.



No matter how well-informed you are about how to prevent root rot in hydroponics, you cannot completely eradicate the risks. Therefore, to avoid the worst-case scenario, you should be prepared to sacrifice the infected for the sake of others. While you’re at it, consider trying your hand at greenhouse gardening as well.


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