Eazy Gardening

The Beauty and Toxicity of Chrysanthemum ‘Harmony’: A Guide for Gardeners and Pet Owners

Chrysanthemums are a popular choice for gardeners and florists alike, and for good reason. The Chrysanthemum ‘Harmony’ is one of the most beloved varieties of this plant.

It is a reliable performer, with its delicate petals producing stunning blooms year after year. In this article, we will discuss the features and characteristics of the Chrysanthemum ‘Harmony’, as well as its cultivation, care, and potential pest and disease issues.

Overview of the Plant

Common names, vernacular names

The Chrysanthemum ‘Harmony’ goes by several common names, including Garden Mum, Cushion Daisy, and simply, Mum. It is a member of the Chrysanthemum genus, which includes over 30 species and thousands of cultivars.

Description of the plant

Chrysanthemum ‘Harmony’ is a herbaceous perennial plant, growing up to 2 feet tall and 2 feet wide. The plant produces densely-packed flowers, ranging in colors from white, yellow, pink, and red.

The petals are narrow and elongated, forming a unique cushion-like bloom. It is a long-blooming plant, with blooms appearing in late summer and continuing through the fall season, making it an excellent choice for adding some color to your garden.



The Chrysanthemum ‘Harmony’ is a stunning plant, with its striking cushion of colorful flowers. The plant features a dense growth of dark green leaves that serve as the perfect backdrop for the gorgeous blooms.

The blooming habit of this variety is also noteworthy, with flowers appearing in profusion and adding a pop of color to the setting.

Blooming habits

Chrysanthemum ‘Harmony’ is known for its long blooming period, which extends from late summer to the fall season. This makes it a reliable choice for gardeners who want to add a touch of color to their garden as the seasons are changing.

The blooms appear on top of the plant and can be cut and used as a focal point in floral arrangements.

Benefits to wildlife

The Chrysanthemum ‘Harmony’ is a great source of nectar for bees, butterflies, and other pollinators. The plant also serves as a host plant for several species of butterfly larvae.

These benefits make it an excellent choice for gardeners who want to attract pollinators and support biodiversity in their gardens.

Plant cultivation and care

Preferred growing conditions

Chrysanthemum ‘Harmony’ prefers well-draining soil that is rich in organic matter. It thrives in full sun to partial shade, although it tends to produce more blooms in full sun.

The plant requires consistent moisture, but it is essential not to overwater it since this can lead to root rot. It is best to water the plant as needed, ensuring the topsoil stays moist but not waterlogged.

Potential pest and disease issues

Chrysanthemum ‘Harmony’ is relatively resistant to pests and diseases, but it can still be susceptible to certain issues. Spider mites, aphids, and thrips are common pests that can infest the plant and cause damage.

It is essential to monitor the plant regularly and address any infestations promptly. Powdery mildew and leaf spot are some common diseases that can affect Chrysanthemum ‘Harmony’.

These can be prevented by avoiding overhead watering and ensuring proper air circulation.

Planting and maintenance tips

Chrysanthemum ‘Harmony’ can be planted in early spring or early fall, depending on your location. It is best to plant the seedlings or young plants in groups to create a fuller look.

A distance of 18-24 inches is recommended while planting since the plant will spread out as it matures. When it comes to maintaining the plant, it is essential to remove any spent blooms and cut back the plant as needed.

Pinching back new growth in late spring or early summer can also help to promote a fuller, bushier plant.


The Chrysanthemum ‘Harmony’ is a beautiful and versatile plant that can add some color and texture to any garden. As discussed in this article, the plant has several unique features and characteristics, making it a favorite among gardeners.

With the proper care and maintenance, this plant can thrive and provide endless blooms throughout the late summer and fall season, making it a must-have for any garden enthusiast.

Plant Propagation Methods

Plant propagation refers to the process of creating new plants from existing ones. There are two main categories of plant propagation methods: sexual and asexual reproduction.

Sexual reproduction

Sexual reproduction involves the union of male and female gametes, resulting in the creation of a seed that can sprout into a new plant.

Sexual reproduction in plants occurs through pollination, which can either be through self-pollination or cross-pollination.

Self-pollination occurs when pollen from the same plant fertilizes the ovule. This can occur naturally in some plants, but in others, it may require some intervention, such as manually transferring pollen from the anther to the stigma.

Cross-pollination, on the other hand, occurs when pollen from one plant fertilizes the ovule of another plant. This can occur through the actions of pollinators such as insects, birds, or wind.

Asexual reproduction

Asexual reproduction involves the creation of new plants from existing plant tissue without the involvement of sexual reproduction.

Asexual reproduction in plants can occur through several methods, including:


Stem cutting: this involves cutting a stem from the source plant and planting it in a new location, where it can develop roots and grow into a new plant. 2.

Leaf cutting: this method involves taking a leaf from an existing plant, planting it in soil with its base submerged under the soil, where it can develop into a new plant. 3.

Division: this involves dividing a mature plant into separate parts, which can then be planted in different locations, where they can develop into new plants. 4.

Grafting: this involves joining two different plants together so that they can grow as one unified plant.

Plant Adaptations to Different Environments

Plants have evolved a wide range of adaptations that enable them to survive and thrive in different environments. These adaptations can be classified based on the type of environment they are adapted to, including:


Desert Adaptations: Plants adapted to desert environments have a range of specialized adaptations, such as deep root systems that can access water deep underground, water-storing tissues, and mechanisms for reducing water loss through transpiration. 2.

Alpine Adaptations: Plants adapted to alpine environments have developed several adaptations to survive in cold, harsh environments, such as hairy leaves that protect them from cold and wind, the ability to photosynthesize at low levels of light, and the ability to store energy-rich compounds to survive long periods without sunlight. 3.

Aquatic Adaptations: Aquatic plants have developed several adaptations to maintain buoyancy, such as the presence of gas-filled sacs or air spaces in their tissues, and specialized leaves that reduce drag in water currents. 4.

Acidic Soil Adaptations: Plants growing in acidic soil environments have developed several adaptations to cope with the low pH levels, such as specialized root systems that acquire nutrients effectively, and the ability to excrete excess protons from the roots to maintain internal pH levels. 5.

Soil Nutrient-poor Adaptations: Plants adapted to nutrient-poor soils have developed several adaptations to acquire and store nutrients effectively, such as developing deep root systems to access nutrients deep underground, engaging in symbiotic relationships with fungi or bacteria that can acquire nutrients from the soil, and the ability to store nutrients in specialized tissues. In conclusion, understanding plant propagation methods and adaptations to different environments is essential for gardeners and conservationists alike.

These adaptations are the result of millions of years of evolutionary processes and allow the plant to survive and thrive in a particular environment. Gardeners can use this knowledge to grow plants that are better adapted to their environment, while conservationists can use it to support the growth of native plant species and protect them from threats such as habitat loss and climate change.

Usage of the Plant in Indoor Setting

Chrysanthemum ‘Harmony’ can make an outstanding indoor plant, enhancing the aesthetics of any interior space. With a few simple precautions, this plant can thrive indoors and provide the same beauty and vigor it does outdoor.

Lighting: One of the critical factors in growing Chrysanthemum ‘Harmony’ indoors is adequate lighting. It requires bright but indirect sunlight for at least six hours daily.

Placing the plant near a north-facing window or behind a sheer curtain can help prevent sunburnt foliage due to direct sunlight. Temperature: Chrysanthemum ‘Harmony’ bulks optimally at temperatures ranging between 60 and 70 degrees Fahrenheit.

Avoid placing the plant under vents blowing hot or cold air, and keep it away from areas near heating or cooling appliances that disrupt the plant’s optimal temperature conditions. Soil: Growing Chrysanthemum ‘Harmony’ indoors in pots or containers require soil similar to the ones used outdoor.

It needs a well-draining but nutrient-rich soil medium. One way to keep the soil moist is by placing the container on a tray of pebbles and water that raises the humidity around the plant.

Watering: The plant requires frequent watering, but make sure the soil is not wet or overly saturated. Keep the soil moist but not free-draining to keep the mums healthy and disease-free.

Water the plant when the top inch of soil feels dry to the touch, and avoid getting the flowers or foliage wet. Fertilization: Indoor Chrysanthemum ‘Harmony’ plants require frequent feeding with a balanced liquid fertilizer.

It would be best to fertilize this plant every two weeks during the growing season to maximize blooming potential. Maintenance: Indoor chrysanthemums require regular maintenance practices to promote excellent growth and blooming.

Deadhead spent flowers regularly, remove yellowed or dead leaves. You may also prune the plant back in spring to restrict the growth and promote bushier growth.

Usage of the Plant in Outdoor Setting

Chrysanthemum ‘Harmony’ is a versatile plant that performs well in outdoor settings, such as gardens, landscapes, and even as hedge plants. Here are some tips on how to plant and maintain Chrysanthemum ‘Harmony’ outdoors.

Planting: Chrysanthemum ‘Harmony’ requires well-drained soil and at least six hours of direct sunlight daily. It’s best to plant Chrysanthemum ‘Harmony’ in spring after the last frost when the soil has warmed up.

Plant the mums at least 18 inches apart from each other to allow for adequate air circulation, and add compost or organic matter to the soil to improve nutrients. Watering: Outdoor Chrysanthemum ‘Harmony’ requires regular watering.

Keep the soil evenly moist but not waterlogged, especially during the hot season or drought. A good soaking once a week is generally sufficient, but increase the frequency in dry periods.

Fertilization: Apply slow-release or granular fertilizer to outdoor Chrysanthemum ‘Harmony’ early in the spring season for optimal blooming. It’s also essential to apply fertilizer only after contact with water to prevent any root burn or damage to the plant.

Maintenance: For outdoor Chrysanthemum ‘Harmony’, soil maintenance, deadheading, and pruning require creating a bushier and more robust plant. You can remove spent blooms regularly, Keep soil moist, maintain your organic fertilizers and prune back growth in late spring or early summer.

Miscellaneous: Outdoor Chrysanthemum ‘Harmony’ also requires protection from disease and pests such as spider mites and aphids. It’s important to regularly examine the plant to prevent the spread of disease and treat it as soon as you notice the infestation.

Applying pesticide or insecticidal soap may also offer an additional protective layer of defense.


The Chrysanthemum ‘Harmony’ is a robust plant that can grow both indoors and outdoors. Taking the necessary measures such as providing proper lighting, adequate water supply, optimal temperature, and soil nutrients will create a hospitable condition for the plant to thrive.

These simple tips will help you ensure that your Chrysanthemum ‘Harmony’ attracts attention with its vivid and captivating blooms, either in indoor or outdoor settings. Toxicity of the Plant to

Pets and Horses,


While Chrysanthemum ‘Harmony’ may be a beautiful and beneficial plant, it may also pose a potential health hazard to both pets and humans.

The plant contains pyrethrins, a toxin that can cause various health problems if ingested.

Pets and Horses

Pyrethrins are toxic to pets such as cats and dogs if ingested. If your pet has ingested Chrysanthemum ‘Harmony,’ signs of poisoning may include vomiting, diarrhea, drooling, tremors, seizures, difficulty breathing, and even death in severe cases.

In horses, the symptoms of pyrethrin poisoning may also include colic, depression, and swelling of the gums and face. To prevent poisoning in pets and horses, it’s important to keep them from ingesting any part of the plant.

If you suspect that your pet or horse has ingested Chrysanthemum ‘Harmony,’ it’s crucial to seek veterinary care immediately. Treatment may include inducing vomiting, administering activated charcoal, or other supportive treatment.


While pyrethrins can be toxic to humans, the risk of poisoning is generally low, particularly in well-ventilated spaces. Some people may experience skin irritation or an allergic reaction upon contact with the plant.

If you experience any adverse reactions to Chrysanthemum ‘Harmony,’ such as skin irritation, rash, or difficulty breathing, it’s essential to seek medical attention.

Precautions and Tips

To reduce the risk of toxicity to pets, horses, and humans, it’s crucial to practice caution when handling the Chrysanthemum ‘Harmony’ plant. Make sure to wash your hands thoroughly after handling the plant, and keep it out of reach of pets and children.

If you have pets or horses and wish to grow the Chrysanthemum ‘Harmony,’ it would be best to plant it in an area that your pets and horses cannot access. If you notice any signs of poisoning in your pet or horse, seek veterinary care immediately.

In conclusion, while Chrysanthemum ‘Harmony’ offers numerous aesthetic and health benefits, it’s critical to practice caution due to the potential health risks posed by its toxicity. By taking the necessary precautions and following the tips mentioned above, pet owners, horse owners, and gardeners alike can safely enjoy the beauty of the Chrysanthemum ‘Harmony’ without compromising their health and safety.

In conclusion, the Chrysanthemum ‘Harmony’ is a stunning and versatile plant that offers numerous benefits to gardeners and conservationists alike. From its unique cushion-like blooms to its ability to attract pollinators and support biodiversity, Chrysanthemum ‘Harmony’ is a must-have for any garden enthusiast.

However, it’s essential to follow necessary precautions, such as handling the plant with care and ensuring pets and horses cannot access it due to its potential toxicity. This article has provided key information on the plant’s characteristics, growing and maintenance, plant propagation methods, plant adaptation to various environments, indoor, and outdoor usage, and toxicity.

With this article’s information and tips, gardeners can enjoy the full beauty of this unique plant while promoting a safe and healthy environment.


Q: Is the Chrysanthemum ‘Harmony’ a good plant to grow outdoors? A: Yes, Chrysanthemum ‘Harmony’ is an excellent plant to grow outdoors, but it’s important to keep it away from pets and horde due to potential toxicity.

Q: Can Chrysanthemum ‘Harmony’ be grown indoors? A: Yes, Chrysanthemum ‘Harmony’ can make a beautiful indoor plant, but it needs adequate light, optimal temperature conditions, and frequent watering.

Q: What are symptoms of poisoning in pets and horses if they ingest Chrysanthemum ‘Harmony’? A: Symptoms of poisoning in pets and horses include vomiting, diarrhea, drooling, tremors, seizures, difficulty breathing, and even death in severe cases.

Q: How can toxicity from Chrysanthemum ‘Harmony’ be prevented? A: To prevent toxicity, it’s important not to allow pets or horses to ingest any part of the Chrysanthemum ‘Harmony’ plant and to keep it out of reach of children.

Q: What is the blooming habit of Chrysanthemum ‘Harmony’? A: Chrysanthemum ‘Harmony’ is known for its long blooming period, which extends from late summer until the fall season when the blooms appear in profusion

Popular Posts