How to Grow Campanula - Planting & Caring

By Sharon & Team   /   Grassy Category   /   2023

Campanula, also known as bellflower, is a genus of flowering plants in the family Campanulaceae, native to the mountains of northern Europe and Asia. The name campanula is derived from the Latin word for "little bell", and refers to the bell-shaped flowers of many Campanula species.

How to Grow Campanula - Planting & Caring

Growing Easiness

Is it easy to grow Campanula plant? When you are thinking about planting something in your garden, you should consider the campanula plant. It is an easy plant to take care of and it is also a beautiful plant. The campanula plant has blue, purple, or white flowers. The plant itself is a perennial, which means that it will come back every year.

Plant Size

How big can it be? The average size of a Campanula plant is 20 cm in height and 30 cm in width. However, some Campanula plants can grow up to 30 cm in height and 40 cm in width.

Growth Rate

How fast is the growth? So, the average growth of a Campanula plant is about 30-38 cm per season. However, this can differ depending on the variety of Campanula and the growing conditions. For instance, some Campanula plants may only grow to be about 15-20 cm tall while others may grow to be up to 50 cm tall. The width of the Campanula plant can also vary, with some plants being as narrow as 5 cm while others may be up to 30 cm wide.

Campanula Basic Knowledge

Plant Form Grassy
Family   Bellflowers – Campanulaceae
Origin Southern Europe, Italy

Lifespan, Perennial or Annuals

How long is the lifespan? The reason I'm giving it a "long-term" is because it's a perennial plant, which means it has a lifespan of more than two years. The update I'm referring to is that it needs to be divided every few years to keep it from becoming overcrowded.

Ideal Temperature

What is the ideal temperature? Because the Campanula Plant is a flower, it blooms in the summer. The cool conditions prevail and the temperature is up to 75.2 degrees Fahrenheit. In the winter, the Campanula Plant can withstand a temperature of 46.4 degrees Fahrenheit.


What about the humidity? When the leaves of the plant are increased, the plant will need to be sprayed more often to prevent the leaves from drying out. The leaves of the plant are also more likely to get on the flowers if the plant is not sprayed often enough.

Light Requirement

What amount of light this plant needed? known as the bellflower, Campanula prefers bright diffused light and should be shaded from the midday sun in the summer. The eastern and western windows are more suitable.

Soil Composition

What is good soil for Campanula? The plant is a perennial that can reach up to 50 cm in height. It has a fibrous root system. The leaves are simple, opposite, and have entire margins. They are dark green in color and have a distinctly petioled base. The flowers are bell-shaped, blue, and borne in terminal racemes. The calyx is five-lobed and persistent. The corolla is also five-lobed and has a long tube. The fruit is a capsule.

Watering Time

How much I must water Campanula? While the plant needs water, too much water can be just as harmful as not enough water. The general rule of thumb is to water approximately every 7-10 days in winter and once a day in summer. It's important to water near a warm window and on the north side (at a temperature below 64,4 ° F) every 2-3 days. The plant also needs lime, so the water can be hard.

Fertilizing and Nutritient

About fertilizer. The Campanula or bellflower is a lovely flowering plant that add beauty to any garden. They are relatively easy to grow and maintain. To keep your plants healthy and blooming, fertilize every 2 weeks with a complex liquid fertilizer.


How to reproduce Campanula? Since it is easily propagated by stem cuttings, 5-6 pieces should be planted in a pot 12 cm in diameter and placed in a mini-greenhouse for germination. It can also be propagated by seeds which should be sown in a mixture of peat and sand. The seedlings will appear on the 12th to 14th day and a month later, the seedlings should be transplanted to pots. To encourage better branching, the tops should be pinched.


Why Campanula won't bloom? If you are the type of person who loves flowers in your garden, then the Campanula plant is the perfect plant for you. This plant blooms from May to October and has stellate flowers. The alba variety has white flowers, while the grade mayii has light blue flowers. This plant is easy to take care of and is a great addition to any garden.

Transfer or Repotting

How much I must water Campanula? Although it is possible to carry out the transplant at any time of the year, it is better to do this in the spring. If the roots appear on the surface of the soil, then the maximum diameter of the pot is 13 cm. For old plants, it is only possible to replace the top layer of soil (2.5 cm).

Caring The Campanula

How to care the plant? If you want your Campanula to take the shape of a small bush, then you need to regularly prune the shoots, leaving a length of 5-10 cm. Also, don't forget to timely remove the wilted flowers. This plant is also suitable for hanging baskets.

Pests & Challenges

What is the challenge when caring Campanula plant? Because it is very capricious. It is very important to create the right conditions for him. So that he could feel good. The leaves of the plant turn yellow with a lack of light or nourishment. If the leaves are yellow and spiders appear from below, this is the result of the action of a spider mite. The plant is strongly stretched and stops blooming in a too hot and stuffy atmosphere. From the heat and lack of watering the leaves turn yellow, dry up, curl, the flowers fall off. If too wet, rot may appear at the base of the shoots. In the cold, the leaves die and there is no growth. When too wet and cold, and the flowers rot and are not disclosed. From frost, the leaves turn black.

Toxic & Poisonous Type

Are Campanula poisonous? Because all parts of the plant are poisonous, take extra care if you have these growing in your garden and keep children and pets away from them. The plant contains cardiac glycosides which can cause vomiting, diarrhoea, abdominal pain, drowsiness and an irregular heartbeat if ingested. In severe cases, it can be fatal. If you suspect that someone has eaten parts of this plant, seek medical attention immediately.