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Cotula Coronopifolia Aquatic Pond Plant - Brass Buttons

Aquatic Plants
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Delivery Time: Delivered within 2-4 working days. 6.99 for Unlimited Plants

Cotula coronopifolia, commonly known as Brass Buttons or Buttonweed, is a low-growing perennial plant that belongs to the Asteraceae family. It is native to coastal regions of Australia and New Zealand but has naturalized in various parts of the world. Here's a detailed description and care guide for Cotula coronopifolia:

Cotula coronopifolia forms a dense mat of small, round, button-like foliage. The leaves are finely dissected, bright green, and resemble miniature fern fronds. The plant typically grows to a height of about 2-4 inches (5-10 cm) with a spread of 6-12 inches (15-30 cm). In summer, Cotula coronopifolia produces small, yellow button-like flowers on short stems that rise above the foliage. The flowers are daisy-like in appearance and add a pop of color to the plant's overall appearance.

Care Guide:

Lighting: Cotula coronopifolia thrives in full sun to partial shade. It can tolerate some shade but prefers a location with at least 4-6 hours of direct sunlight per day. In hot climates, some afternoon shade can help protect it from excessive heat and maintain its vibrant green color.

Water: Cotula coronopifolia prefers consistently moist soil conditions. It is best suited to areas with regular rainfall or where supplemental watering is available. Keep the soil evenly moist but avoid waterlogging, as this can lead to root rot. Water deeply when the top inch of soil feels dry to the touch.

Soil: Cotula coronopifolia prefers well-draining soil with a slightly acidic to neutral pH. It can tolerate a range of soil types, including sandy, loamy, or clay soils. However, it thrives in soils that retain some moisture while allowing excess water to drain away.

Temperature: Cotula coronopifolia is adaptable to a range of temperatures. It is hardy in USDA hardiness zones 7-11. It can tolerate mild frosts but may require protection in colder regions. In hot climates, provide some shade during the hottest part of the day to prevent scorching of the foliage.

Fertilizer: Cotula coronopifolia generally does not require heavy fertilization. A light application of a balanced, slow-release fertilizer in early spring can provide the plant with a nutrient boost. Follow the manufacturer's instructions and avoid overfertilization, which can lead to excessive growth and reduced plant vigor.

Maintenance: Cotula coronopifolia is a relatively low-maintenance plant. Trim back any overgrown or straggly stems to maintain a compact and tidy appearance. It can tolerate occasional light foot traffic, making it suitable for pathways or between stepping stones.

Propagation: Cotula coronopifolia can be propagated through division or by collecting and sowing its seeds. Division is best done in spring or early fall. Carefully separate the clumps and replant them in suitable soil or planting medium. Seeds can be collected from mature flowers and sown in containers or directly in the soil.

Pests and Diseases: Cotula coronopifolia is generally resistant to pests and diseases. However, it may occasionally attract aphids or be susceptible to root rot if grown in overly wet conditions. Monitor the plant for any signs of pests or diseases and take appropriate measures if necessary.

By following these care guidelines, you can enjoy the charming and low-growing nature of Cotula coronopifolia in your garden or landscape. Adjust the care routine based on your specific growing conditions and monitor the plant for any signs of stress, pests, or diseases. With proper care, Cotula coronopifolia can provide a carpet of lush, fern-like foliage and bright yellow flowers, adding a unique and vibrant touch to rock gardens, borders, or as a groundcover in moist areas.

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Here are some general tips and care guidelines for marginal pond plants:


Research different species of marginal pond plants to find ones that suit your pond's conditions and your aesthetic preferences. Consider factors such as height, flower colour, foliage texture, and seasonal interest when selecting plants.


Observe the natural conditions of your pond, such as sun exposure, soil type, and water movement, and choose plants that are adapted to those conditions. Create different planting zones around the pond, with plants that prefer wet soil closer to the water's edge and those that tolerate drier soil further away.


Marginal plants typically thrive in full sun to partial shade. Some species can tolerate more shade, but for optimal growth and flowering, provide them with at least 6 hours of direct sunlight per day.

Water Depth:

Determine the water depth requirements of the marginal plants you choose. Some plants prefer water up to 6 inches deep, while others can tolerate water up to 12 inches or more. Ensure that the water level remains consistent within the preferred range for the chosen plants.


Marginal plants prefer a rich, loamy soil that retains moisture but is not waterlogged. Amend the soil with organic matter, such as compost or well-rotted manure, to improve its fertility and drainage. Avoid using heavy clay soil, as it can become compacted and restrict root growth.


Dig a hole slightly larger than the root ball of the plant and loosen the soil at the bottom. Place the plant in the hole, ensuring that the crown is level with or slightly above the soil surface. Backfill the hole with soil and gently firm it around the plant to eliminate air pockets. Water thoroughly after planting to settle the soil and provide initial hydration.


Apply a layer of organic mulch around the base of the plants to suppress weeds, conserve moisture, and regulate soil temperature.Use materials like straw, shredded bark, or compost, and maintain a depth of 2-3 inches.


Marginal plants prefer consistently moist soil but should not be waterlogged. Monitor the moisture level regularly and water as needed to keep the soil evenly moist. During hot and dry periods, provide supplemental watering to prevent the soil from drying out.


Marginal plants generally do not require heavy fertilization if the soil is nutrient-rich. However, if growth appears weak or leaves show signs of nutrient deficiencies, apply a balanced slow-release fertilizer according to the manufacturer's instructions.


Remove any yellowing or dead leaves to maintain plant health and appearance. Divide overcrowded plants every few years to prevent competition for resources and promote vigorous growth. Prune back excessive growth to maintain a tidy appearance and to prevent plants from encroaching on other plants or the pond itself.

Winter Care:

Hardy marginal plants can withstand winter temperatures and require minimal care. Cut back dead foliage in late fall or early spring to tidy up the planting area. In colder regions, consider protecting tender plants with a layer of mulch or covering them with burlap during winter to prevent frost damage.

Monitoring and Troubleshooting:

Regularly inspect plants for signs of pests, diseases, or nutrient deficiencies. Address any issues promptly with appropriate treatments, such as organic insecticides, fungicides, or nutrient amendments. By following these detailed tips and providing proper care, you can create a beautiful and thriving planting zone around your pond, enhancing its visual appeal and supporting a diverse ecosystem.

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