Managing Lawn Weeds: Speedwell Struggle

Managing Lawn Weeds Speedwell

Managing Lawn Weeds: Speedwell Struggle

Maintaining a pristine lawn faces hurdles, and the invasive speedwell adds a unique challenge to the mix. This article explores the distinct features of speedwell, its impact on lawns, and effective strategies for identification and management, providing insights to uphold a thriving, weed-free landscape.

In this Article we will look at:

  • Speedwell, In Short

  • Identification

  • Life Cycle

  • Impact on Lawns

  • Management Strategies

  • Conclusion

Speedwell, In Short:

Though there are perhaps two dozen or more varieties of speedwell you are only likely to have Germander and Slender Speedwell in the lawn.

Present all year round in the lawn, Very resistant to weed killers though you may have some success, can be checked with ferrous sulphate in spring but is unlikely to die, can be controlled by frequent raking or scarifying but collect ALL the debris, digging the plant out is the only sure way of removing it.


Speedwell, scientifically known as Veronica, is a perennial weed belonging to the Plantaginaceae family. Recognizable by its small, delicate flowers and opposite leaves, speedwell can establish a robust presence in lawns, often blending with the grass and evading easy detection.

Life Cycle:

Understanding the life cycle of speedwell is fundamental for successful management. This perennial weed reproduces through both seeds and creeping stems. The seeds are dispersed by wind or carried by animals, while the creeping stems enable the formation of dense colonies, challenging the health of the surrounding grass.

Impact on Lawns:

The invasion of speedwell can significantly impact the aesthetics and health of a well-maintained lawn. Its ability to blend with grass makes it challenging to identify, and its growth habit can lead to the formation of thick patches, overshadowing and outcompeting desirable grass varieties.

Management Strategies:

  1. Manual Removal: Hand-pulling or using a weeding tool is effective for smaller speedwell infestations. Thorough removal, including the creeping stems, is crucial to prevent regrowth.

  2. Mowing Practices: Regular mowing can help control speedwell by removing flowers and preventing seed production. Adjust the mower height to discourage weed growth while promoting the health of the surrounding grass.

  3. Chemical Control: Selective herbicides designed for broadleaf weed control in lawns can be applied to target speedwell. Follow product instructions carefully and apply during the weed's active growth phase.

  4. Cultural Practices: Promote a robust lawn through proper watering, fertilization, and aeration. A well-nourished lawn is more resilient against weed invasions, including the elusive speedwell.


Confronting the resilient challenge of speedwell in your lawn demands a strategic and persistent approach. Armed with knowledge about its life cycle and characteristics, homeowners can implement effective management strategies. Manual removal, strategic mowing, and targeted herbicide use contribute to a comprehensive defense against the encroachment of speedwell.

Cultivating a resilient lawn through proper cultural practices, including optimal watering and fertilization, serves as a natural deterrent against invasive weeds like speedwell. As you embark on the journey to reclaim your green haven, remember that a combination of dedication and diverse tactics will lead to success. By integrating these strategies into your lawn care routine, you can enjoy a vibrant, weed-free landscape that enhances the beauty of your outdoor space.

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