Eazy Gardening

Campanula ‘Sarastro’: A Versatile and Attractive Perennial Plant for Your Garden

Campanula ‘Sarastro’ (Bellflower)

As a gardener, you always want to add an extra element to your yard or garden. Campanula ‘Sarastro,’ also known as the Bellflower, is a plant that could provide just that.

This article will provide you with an overview of Campanula ‘Sarastro,’ its appearance, blooming habits, and benefits to wildlife. Additionally, we will discuss its preferred growing conditions, potential pest and disease issues, as well as planting and maintenance tips.

Overview of the plant

Commonly known as Bellflower or Campanula by gardeners, Campanula ‘Sarastro’ is a perennial herbaceous plant that is part of the Campanula family. This plant belongs to the Asteraceae family, which comprises over 23,000 species.

Most plants from this category have daisy-like flowers, and each inflorescence comprises of disk and ray flowers.

Description of the plant

Bellflowers have the shape of a bell, and thats where they get their name. These plants can attain a height of up to 60 centimeters and a width of 30 centimeters.

They have a carpet-like appearance, which makes them ideal for ground cover. The flowerheads produced by Campanula ‘Sarastro’ are bell-shaped and dark violet-blue in color, which bloom from June to July.


The Bellflower has a flattened crown and a segmented stem. The vibrant violet flowers are formed in the shape of a cup, which can grow to be 5cm long and 4cm wide.

The plant is renowned for attracting hummingbirds, bees, and other pollinators, making it an irresistible choice for those looking to introduce nature into their garden. Its foliage, which is dark green, emerges from a crown and tapers toward the stem base.

The leaves are 4-8 centimeters long and 2-6 centimeters wide, with an irregular margin.

Plant cultivation and care

Preferred growing conditions

One reminder: Before planting, make sure that youre in the USDA Hardiness Zone 3-9 range. Bellflowers prefer light, very well-drained soil, but they grow best in average soil types.

Bellflowers prefer full sun to partial shade. They are suitable for planting in a variety of garden settings and look great in containers.

Bellflowers respond well to routine watering, so its necessary to keep the soil moist but not overly drenched.

Potential pest and disease issues

Campanula ‘Sarastro’ is relatively disease and pest-free. Nonetheless, rust can be an issue if the plant is not in the proper environment.

If rust or any other fungal disease is present, remove the plant and soil from the pot and they will not be able to spread the disease to other plants.

Planting and maintenance tips

Begin planting your Campanula ‘Sarastro’ inside in mid to late winter, approximately eight to ten weeks before the last frost date for your region. Following germination, transplant the seedlings outside when temperatures are above 15C.

For optimal growth, space them 30-45 cm apart. During the spring and summer seasons, surround the base of the plant with organic compost to provide needed nutrients.

After flowering, remove any dead growth until emerged buds begin to sprout. Bellflowers, in general, should be divided every two to three years once they have outgrown their area or if the soil no longer provides adequate nutrients.

In conclusion, Campanula ‘Sarastro’, also known as the Bellflower, is a hardy perennial plant thats easy to grow and maintain. It doesnt require much attention during the growing seasons, making it ideal for beginners and experienced gardeners alike.

Plant this bell-shaped beauty in your garden, and watch as hummingbirds and pollinators swarm to it. Happy gardening!

Plant Propagation Methods

When it comes to propagating Campanula ‘Sarastro,’ there are several techniques that can be used, including both sexual and asexual reproduction.

Sexual Reproduction

Sexual reproduction is the process of creating a new plant from the seed of an existing plant. For Campanula ‘Sarastro,’ seeds are relatively easy to come by.

Simply collect the seed capsules after the blooming period, wait until they are dry before cutting them, and plant them where you want them to grow. But before sowing them, its generally recommended that you soak the seeds overnight in warm water to help break the seeds dormancy.

This helps to promote germination.

Asexual Reproduction

Asexual reproduction allows gardeners to create new plants with the identical genetic characteristics as the parent plant. It is a common, simple, and effective method of propagation for Campanula ‘Sarastro.’ The various asexual methods include division, cuttings and layering.

Division involves dividing the plant into smaller sections, each of which can produce a new plant. It is best to do this process during the growing months, in early spring.

To divide Campanula ‘Sarastro,’ dig up the plant, and remove the root ball from the soil. Using a sharp, clean knife, divide the root ball into smaller segments, ensuring that each one has enough shoots and roots to establish its own plant.

Cuttings are also a common method of propagating Campanula ‘Sarastro.’ Take softwood cuttings in the summer months, ensuring that each cutting is approximately 10cm long and has two or three sets of leaves. Remove the lower leaves that would be buried if you were to plant it.

Dip the end of the cutting in rooting hormone before planting it. To encourage root development, place the cutting in warm soil, keep it moist but not waterlogged, and cover it with a transparent plastic dome to trap in moisture.

Layering involves propagating the plant without removing it from the parent plant. To layer Campanula ‘Sarastro,’ select a healthy, new shoot that’s still flexible to allow for bending.

Loop the tip of the shoot downward, and attach it to the ground. Where the shoot touches the soil, cover it with soil.

Once roots develop from where the shoot entered the soil, it’ll establish itself as an independent plant. This process may take 2-3 months, and one can transplant the new plant once the rooting process has been completed.

Plant Adaptations to Different Environments

Campanula ‘Sarastro’ has evolved to adapt to different environments. It is a hardy plant that can tolerate various conditions, making it a good choice for gardens with a wide range of climates.

Temperature Adaptations: Although Campanula ‘Sarastro’ prefers to be under sunlight, receive medium water quantity, and have average soil, they are also capable of adapting to extreme temperatures. They will thrive in full sunshine but also can adapt to partial or full shade.

Too much direct sunlight in extremely hot temperatures can cause the leaves to wilt, but the plant will grow back once the sun moves. They can handle temperatures ranging from -40C (zone 3) to 38C (zone 9), making them adaptable to colder regions during the winter season.

Soil Adaptations: Campanula ‘Sarastro’ can deal with a broad range of soil types, including those that are sandy, clay, or loamy. While it prefers well-draining soil, it can tolerate damp conditions when adequately watered.

The plant is not sensitive to soil acidity and can grow in a pH range of 5.0 to 8.0. Campanula ‘Sarastro’ can also adapt to various soil nutrient levels; however, excessive salt concentrations can be harmful to the plant. Water Adaptations: Campanula ‘Sarastro’ prefers to grow in well-draining soil that holds water.

As a consequence, they do not fare well in waterlogged soil. However, they do grow best when watered often enough to keep the soil damp without being excessively wet.

They can endure wet or dry conditions; but water coverage can affect the color of their flowers. Thus, they require daytime temperatures to be cooler than nighttime temperatures for the flowers to bloom fully.

Wind Adaptations: Bellflowers are adaptable to windy conditions. The stem is tough and rigid enough to withstand wind.

The flowers sway in the wind, spreading their pollen and providing a memorable show.


In conclusion, Campanula ‘Sarastro’ is a hardy plant that can grow well in a variety of environments. As we have seen, the plant’s ability to adapt to changes in temperature, soil type, water availability, and wind is what makes it a popular plant for gardeners.

Propagation can be done through both sexual and asexual methods, depending on the gardener’s prefered choice. The use of plant propagation techniques can help protective threatened plant species, allowing the gardener to grow a new plant almost identical to the original plant.

With the right care, Campanula ‘Sarastro’ will thrive in almost any location and provide beauty to any landscape. Usage of Campanula ‘Sarastro’ in Indoor Setting

Campanula ‘Sarastro’ can be grown indoors in pots and containers.

They don’t take up too much space and can easily complement any dcor or style. The vibrant violet-blue flowers make them an incredibly attractive indoor plant.

Lighting: Campanula ‘Sarastro’ prefers exposure to bright, indirect sunlight, making them excellent for indoor settings. When too close to direct sunlight, the plant can get sunburned, similar to what happens on human skin.

Watering: Campanula ‘Sarastro’ grow well indoors as long as they are adequately watered. Water them once the soil begins to dry out, in most cases, once a week.

Temperature and Humidity: The ideal temperature for growing Campanula ‘Sarastro’ indoors should range between 15C and 22C. They also require humidity to thrive.

Soil and Fertilizers: Campanula ‘Sarastro’ can grow well in most well-draining soils. A good choice is a potting mix for houseplants.

To encourage growth, use liquid fertilizers sparingly during their growth period. Maintenance: To avoid their growth from getting out of control, trim back the growth periodically.

If the plant outgrows the container, they will need repotting.

Usage of Campanula ‘Sarastro’ in Outdoor Setting

Campanula ‘Sarastro’ can be grown in outdoor settings and maybe an excellent addition to any garden.

Their vibrant violet blue coloration makes them eye-catching, and they can be used to complement other flowering and nonflowering plants.

Backdrop: Given their carpet-like appearance, Campanula ‘Sarastro’ makes an excellent backdrop for your garden.

Planting them in the foreground will make the other plants you are growing appear to sprout upward from a carpet of blue. Potted Plants: Bellflowers can be grown in pots for your garden’s sitting areas or for use as centerpieces on your patio or porch.

Ensure that the pot you are using for this type of planting has drainage holes. Borders: Using Campanula ‘Sarastro’ as the border plant for your garden can make your entire garden look cohesive and well-coordinated.

Rock Gardens: Rock gardens can be dull without the right plants to add a splash of color. Campanula ‘Sarastro’ is ideal for rock gardens as they are adaptable to various soil types.

Ground Cover: Campanula ‘Sarastro’ makes an excellent groundcover plant, with their leaves blanketing most of the ground when grown in the same area. Maintenance: Campanula ‘Sarastro’ does not require much maintenance.

To keep them looking tidy, trim the deadheads regularly. If they start to die off in the middle of the growing season, cut them back to encourage more lateral growth.


In conclusion, Campanula ‘Sarastro’ is versatile and attractive both indoors and outdoors. This perennial plant is adaptable to various climates and soil types, making it easy to incorporate them into your gardening designs.

Its unique purple-blue flowers are a favorite of many gardeners, making it an excellent choice for gardening and landscaping. Whether in pots or beds, indoor or outdoor spaces, Campanula ‘Sarastro’ provides a great visual addition to any garden.

Ensure that you follow the planting, growing and care tips to ensure they thrive in their growing environment. Toxicity of Campanula ‘Sarastro’

Campanula ‘Sarastro’ is generally considered safe for humans to consume.

However, caution is advised as some individuals may have allergies to the pollen or contact with the leaves. Ingestion of the plant in large quantities can also lead to digestive discomfort, including nausea, vomiting, and diarrhea.

Pets and horses, on the other hand, are more vulnerable to the toxic effects of Campanula ‘Sarastro’ plants. Eating large quantities of the plant can be harmful to dogs and cats.

While the plant is generally considered non-toxic, some animals may exhibit vomiting, diarrhea, or mild digestive discomfort. Horses are more sensitive to the toxic effects of Campanula ‘Sarastro’ compared to other animals.

Ingestion of the plant’s leaves and stems directly can be harmful to horses. Symptoms can include colic, digestive discomfort, vomiting, or diarrhea.

In severe cases, horses can develop tremors, convulsions, and seizures. Toxicity can be prevented by keeping pets and horses away from the Campanula ‘Sarastro’ plant, particularly before and after the flowering period.

If you suspect that your pet has eaten parts of the plant, monitor them, and consider seeking veterinary care if they exhibit any symptoms of digestive distress.

In conclusion, Campanula ‘Sarastro’ toxicity to humans is generally considered low.

Caution should be used in individuals prone to allergies and those with sensitive digestive systems. However, pet owners should be aware of the toxicity risk of the plant to animals, particularly horses that are more sensitive.

It is always best to monitor any plant your animals have access to, and if you see any signs of distress or poisoning, seek veterinary care as soon as possible. In conclusion, Campanula ‘Sarastro’ is a versatile and attractive perennial herbaceous plant.

It has vibrant violet-blue bell-shaped flowers that make it a popular choice for gardeners. The plant is adaptable to various environments, such as indoor and outdoor settings, making it perfect for gardeners looking to add some natural beauty to their home or landscape.

Like most plants, caution is advised for pets and horses. However, the plant is non-toxic to humans and is generally easy to care for.

With the right care, Campanula ‘Sarastro’ will thrive in almost any location and provide plentiful beauty to any landscape. FAQs:


Is Campanula ‘Sarastro’ toxic to humans?

Answer: Campanula ‘Sarastro’ is generally safe for humans, but eating the plant in large quantities may lead to digestive discomfort.

2. Can Campanula ‘Sarastro’ be grown indoors?

Answer: Yes, Campanula ‘Sarastro’ is suitable for indoor growing in pots and containers. 3.

Can pets, such as dogs and cats, eat Campanula ‘Sarastro’?

Answer: While the plant is generally considered non-toxic, eating large quantities of the plant can be harmful to dogs and cats, causing mild digestive upset.

4. Is Campanula ‘Sarastro’ suitable for rock gardens?

Answer: Yes, Campanula ‘Sarastro’ is an excellent choice for rock gardens as it is adaptable to various soil types. 5.

How do I propagate Campanula ‘Sarastro’? Answer: Campanula ‘Sarastro’ can be propagated through division, cuttings and layering, and from seed, depending on the gardener’s preference.

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