Coreopsis ‘Cosmic Eye’ (Big Bang Series)

Plant: Table of Contents

Plant Spotlight: Coreopsis ‘Cosmic Eye’ (Big Bang Series)

As a plant scientist with a passion for all things flora, I am excited to dive into the world of Coreopsis ‘Cosmic Eye’ from the Big Bang Series. This vibrant and eye-catching plant offers a plethora of benefits, making it a wonderful addition to any garden or landscape. In this comprehensive guide, we will explore the key aspects of Coreopsis ‘Cosmic Eye,’ from its culture and uses to its propagation and common diseases. Let’s embark on an illuminating journey into the captivating realm of this remarkable plant.

What is Coreopsis ‘Cosmic Eye’ (Big Bang Series)?

The Coreopsis ‘Cosmic Eye’ is an enchanting perennial plant that belongs to the Big Bang Series. This series is renowned for its stunning and unique blooms, and the ‘Cosmic Eye’ variety certainly lives up to this reputation. With its striking appearance and low-maintenance nature, this plant has become a favorite among gardeners and landscapers alike.

The ‘Cosmic Eye’ variety is a hybrid Coreopsis, boasting a dazzling display of colorful, eye-catching flowers. Its compact and bushy growth habit further enhances its appeal, making it an ideal choice for borders, containers, and various landscape designs. As an herbaceous plant, Coreopsis ‘Cosmic Eye’ adds a burst of seasonal interest to gardens, attracting pollinators and wildlife with its vibrant blooms.

Key Takeaways – Coreopsis ‘Cosmic Eye’ (Big Bang Series)

Before delving deeper into the various aspects of Coreopsis ‘Cosmic Eye,’ let’s outline the key takeaways for quick reference:

  • Plant Name: Coreopsis ‘Cosmic Eye’ (Big Bang Series)
  • Category: Perennial plant
  • Series: Big Bang Series
  • Growth Type: Herbaceous
  • Characteristics: Colorful, low maintenance, eye-catching
  • Suitable for: Garden borders, containers, wildflower gardens
  • Special Features: Drought-tolerant, attracts pollinators, vibrant blooms

Now that we have an overview of Coreopsis ‘Cosmic Eye,’ let’s explore its culture, uses, and essential care requirements to ensure its flourishing in a garden setting.


Cultivating Coreopsis ‘Cosmic Eye’ involves understanding its specific cultural needs to promote robust growth and abundant flowering. By providing the right conditions and care, gardeners can harness the full potential of this captivating plant.


Proper watering is crucial for the health and vitality of Coreopsis ‘Cosmic Eye.’ While this variety exhibits a good tolerance to drought, it thrives in well-drained soil that receives regular moisture. During periods of extended dryness, especially in hot climates, supplemental watering can help sustain the plant’s vigor and blooming prowess.


As a sun-loving plant, Coreopsis ‘Cosmic Eye’ flourishes in full sunlight. It thrives in bright, sunny locations and displays its best flowering performance when exposed to ample sunlight throughout the day. When selecting a planting site, prioritize areas with abundant sunshine to ensure the plant’s optimal development.


Appropriate fertilization can support the growth and blooming capacity of Coreopsis ‘Cosmic Eye.’ A balanced, slow-release fertilizer applied in early spring can provide the necessary nutrients for robust foliage and abundant flowers. Organic amendments or compost can also enrich the soil, fostering a conducive environment for the plant’s overall well-being.


Well-drained and moderately fertile soil is favorable for Coreopsis ‘Cosmic Eye.’ The plant thrives in soil with good drainage, preventing waterlogging that may lead to root rot or other complications. A slightly acidic to neutral pH range is suitable for this variety, offering a conducive medium for healthy growth and prolific blooming.


Coreopsis ‘Cosmic Eye’ offers an array of uses and applications that make it a versatile and valuable addition to various gardening and landscaping contexts. Understanding its potential functions empowers gardeners to harness its beauty and benefits effectively.

Garden Borders and Landscapes

The vibrant and eye-catching blooms of Coreopsis ‘Cosmic Eye’ make it an excellent choice for garden borders and landscapes. Its compact growth habit and colorful flowers add visual interest and charm to garden beds, creating a captivating display throughout the flowering season.

Container Gardening

Due to its bushy yet compact nature, Coreopsis ‘Cosmic Eye’ thrives in containers and planters, making it an exceptional choice for patio, balcony, or rooftop gardens. The plant’s striking blooms bring a burst of color to confined spaces, enhancing the aesthetic appeal of container gardens.

Attracting Pollinators

The nectar-rich flowers of Coreopsis ‘Cosmic Eye’ attract pollinators such as bees and butterflies, contributing to the vibrancy and biodiversity of garden ecosystems. By incorporating this variety into wildlife-friendly gardens, gardeners can promote pollinator activity and support local ecological balance.

Cut Flowers

The eye-catching blooms of Coreopsis ‘Cosmic Eye’ make it an excellent candidate for cut flower arrangements. Harvesting the vibrant flowers for indoor displays allows gardeners to enjoy their beauty up close while bringing a touch of the garden’s charm into interior spaces.


Pruning plays a vital role in maintaining the health, form, and flowering capacity of Coreopsis ‘Cosmic Eye.’ Proper pruning techniques ensure that the plant remains vigorous and continues to produce abundant blooms throughout the season.


Regular deadheading of spent flowers promotes continuous blooming and prolongs the flowering period of Coreopsis ‘Cosmic Eye.’ Removing faded blooms encourages the development of new flower buds, sustaining the plant’s ornamental appeal and floral abundance.


Shearing the plant after the first wave of flowering can stimulate additional blooms and rejuvenate the foliage of Coreopsis ‘Cosmic Eye.’ This practice encourages the growth of new shoots and enhances the overall appearance of the plant, contributing to its lush and robust demeanor.


Propagating Coreopsis ‘Cosmic Eye’ enables gardeners to expand their plant collection and share this captivating variety with fellow gardening enthusiasts. Several methods can be employed to propagate this perennial plant successfully.


Division is a common and effective propagation method for Coreopsis ‘Cosmic Eye.’ In early spring, clumps of the plant can be carefully lifted and divided into smaller sections, each containing healthy roots and shoots. These divisions can then be replanted in prepared soil, allowing them to establish and grow into new vibrant specimens.

Stem Cuttings

Stem cuttings provide another avenue for propagating Coreopsis ‘Cosmic Eye.’ Taking 4-6 inch cuttings from healthy, non-flowering shoots and planting them in a well-draining propagation medium can yield rooted young plants over time. This method offers a reliable means of creating new plants with the same captivating traits as the parent specimen.

Container Popularity

The captivating attributes of Coreopsis ‘Cosmic Eye’ have contributed to its popularity as a container plant. Its compact growth habit, vibrant blooms, and low-maintenance nature make it an attractive choice for container gardening enthusiasts seeking to enhance their outdoor spaces with eye-catching floral displays.

Common Diseases

While Coreopsis ‘Cosmic Eye’ is relatively resilient, it can be susceptible to certain diseases and issues that warrant attention and proactive management. By being familiar with common diseases affecting this variety, gardeners can implement preventive measures to safeguard their plants.

Powdery Mildew

Powdery mildew, characterized by a white powdery growth on leaves and stems, can affect Coreopsis ‘Cosmic Eye,’ particularly in humid or poorly ventilated conditions. Proper air circulation and spacing for the plants can mitigate the risk of powdery mildew, while targeted fungicidal treatments can address existing infestations.

Leaf Spot

Leaf spot diseases may manifest as dark or discolored spots on the foliage of Coreopsis ‘Cosmic Eye,’ compromising the plant’s aesthetic appeal and overall vigor. Maintaining good air circulation, practicing proper watering, and removing and disposing of infected plant material can help prevent and manage leaf spot issues.

Disease Diagnosis

Diagnosing potential diseases and ailments affecting Coreopsis ‘Cosmic Eye’ involves careful observation and prompt intervention to address any health concerns. By identifying symptoms and signs of diseases early on, gardeners can take proactive measures to protect the plants and preserve their well-being.

Visual Symptoms

Visual indicators such as discolored or distorted leaves, unusual growth patterns, or the presence of powdery coatings can signal potential diseases affecting Coreopsis ‘Cosmic Eye.’ Regular visual inspections enable gardeners to detect and address any abnormalities promptly.

Professional Consultation

In cases where disease diagnosis proves challenging or uncertain, seeking the expertise of horticultural professionals or plant pathologists can provide accurate insights and recommendations for managing potential disease issues. Professional consultations can help gardeners make informed decisions for preserving the health of their plants.

Common Pests

Coreopsis ‘Cosmic Eye’ may encounter various pests that pose a threat to its vitality and ornamental value. Being aware of common pests and their associated management strategies empowers gardeners to protect their plants from detrimental infestations.


Aphids are common pests that may target Coreopsis ‘Cosmic Eye,’ feeding on the plant’s sap and causing foliage distortion and discoloration. Spray applications of insecticidal soap or neem oil can help control aphid populations while minimizing harm to beneficial insects and pollinators.

Spider Mites

Spider mites are another potential pest that can impact Coreopsis ‘Cosmic Eye,’ inflicting damage by piercing and sucking the plant’s tissues, leading to stippled and discolored foliage. Regular monitoring and targeted sprays of water or insecticidal soap can help manage and mitigate spider mite infestations effectively.

Botanist’s Tips

Drawing on botanical expertise and insights, specific tips and recommendations can enhance the success and enjoyment of cultivating Coreopsis ‘Cosmic Eye.’ These expert suggestions aim to optimize the plant’s performance and longevity in diverse garden settings.

Companion Planting

Pairing Coreopsis ‘Cosmic Eye’ with compatible companion plants can create visually appealing and ecologically beneficial assemblages in the garden. Selecting companion species that complement the vibrant blooms and growth habits of this variety can enhance the overall aesthetic and ecological value of garden designs.

Seasonal Interest

Leveraging the seasonal interest of Coreopsis ‘Cosmic Eye’ can contribute to dynamic and ever-changing garden landscapes. Incorporating this variety strategically in garden designs ensures that its captivating blooms and foliage contribute to the visual appeal and charm of different seasons.

Fun Facts

As we delve into the captivating realm of Coreopsis ‘Cosmic Eye,’ here are some fun and intriguing facts about this remarkable plant that showcase its unique and enchanting attributes:

  1. The ‘Cosmic Eye’ variety is named for its distinctive, eye-like flower pattern, which adds an element of visual intrigue to garden displays.
  2. Coreopsis ‘Cosmic Eye’ is cherished for its role in attracting pollinators such as bees and butterflies, contributing to the ecological vibrancy of garden ecosystems.
  3. This variety’s low-maintenance nature and drought tolerance make it an excellent choice for water-wise gardening and landscapes with minimal irrigation requirements.

Links to External Resources

For further exploration and in-depth information on Coreopsis ‘Cosmic Eye’ and related topics, the following external resources provide valuable insights and additional details:

In conclusion, Coreopsis ‘Cosmic Eye’ from the Big Bang Series stands as a captivating and versatile perennial plant that enriches garden landscapes with its vibrant blooms and low-maintenance charm. By understanding its cultural requirements, uses, and disease management strategies, gardeners can cultivate and appreciate this remarkable variety to the fullest. Whether adorning garden borders, containers, or wildlife-friendly landscapes, Coreopsis ‘Cosmic Eye’ leaves an indelible impression with its eye-catching allure and ecological contributions.

Picture of Peter Taylors

Peter Taylors

Expert botanist who loves plants. His expertise spans taxonomy, plant ecology, and ethnobotany. An advocate for plant conservation, he mentors and educates future botanists, leaving a lasting impact on the field.