Creeping Jenny plant

Will Creeping Jenny Kill Other Plants?

Gardens are like living canvases, filled with plants that create a dynamic display of textures, colors, and scents. Among these, there’s one little plant that can make a big impact, and it goes by the charming name of Creeping Jenny. This pretty, vibrant green ground cover might seem like a fairy tale plant at first, but it has a story that’s a bit more complicated.

Live Lysimachia Plant – Creeping Jenny (4 Plants Per Pack) – Healthy Trailing Plant – Beautiful Spring Accent – 6″ Tall by 4″ Wide in 1 Pint Pot
  • LIVE PLANT: This beautiful trailing plant will look gorgeous in your space this Spring and Summer! Use it as a hanging plant and admire its trail of bright yellow and green leaves. If planting in your garden, be aware that this beautiful plant will spread throughout.
  • GROWTH: Creeping Jenny is a rapid grower so if planting in your outdoor garden, prepare to watch it spread throughout your space, as it tends to be pretty invasive. At its maturity, it will reach about 4 inches tall, with a spread of about 18 inches.
  • CARE: Lysimachia will grow best in full sun. The more sun it gets, the brighter its leaf color will be. Plant in well-draining soil that is moist, so be sure to water regularly.
  • FUN FACT: Creeping Jenny is also referred to as “moneywort” because of it’s coin shaped leaves.
  • LIVE PLANTS: Our plants are grown exclusively for Deep Roots and The Three Company, shipped fresh directly from our greenhouse to you!

Creeping Jenny and Its Growth Habits

Also known as Lysimachia nummularia, Creeping Jenny is a perennial ground cover plant that gets its name from the way it crawls along the soil, creating a thick mat of round, glossy leaves. It grows fast, and it’s easy to see why some people adore it. With its coin-like leaves and bright yellow flowers, it can turn a bare patch of earth into a lush, verdant carpet in no time.

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But this fast and dense growth habit is also why Creeping Jenny can be a bit of a garden diva. Its love for spreading out can turn from a delightful advantage into a problem if not monitored closely. It’s a vigorous plant, so it’s important to understand how Creeping Jenny grows before deciding to introduce it into your garden. In the following sections, we’ll explore its impact on other plants, how it might overwhelm them, and ways to keep this lively ground cover in check.

Creeping Jenny’s Impact on Other Plants

Imagine inviting a friend over who’s a bundle of energy, filling your home with laughter and life. But, they also have a habit of spreading their belongings all around. That’s Creeping Jenny in your garden. It’s vibrant and brings a cheerful pop of green and yellow, but it also likes to roam around.

Creeping Jenny can indeed co-exist with other plants. It doesn’t ‘kill’ them directly in the way some plants release chemicals to harm others (a behavior known as allelopathy). Instead, its effect is more indirect but can be just as impactful.

Ways Creeping Jenny Can Overwhelm Other Plants

Think of Creeping Jenny as the ultimate extrovert at a garden party. It likes to spread out, make itself at home, and sometimes, it can crowd out other guests. It doesn’t do it out of malice, but because of its fast growth and dense cover, it can outcompete other plants for resources like light, space, and nutrients.

If you plant Creeping Jenny alongside slow-growing or delicate plants, they might find themselves overshadowed and struggling to get their share of sun and food. This competition can hinder their growth and may even lead to their demise if not managed properly.

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However, don’t worry! This doesn’t mean you can’t enjoy the benefits of having Creeping Jenny in your garden. The next sections will guide you on how to keep Creeping Jenny’s enthusiastic growth in check without harming your other plant pals.

Measures to Control Creeping Jenny’s Spread

Think of Creeping Jenny as a puppy, full of energy and love to give. However, without some training and guidelines, it can run amok. To help Creeping Jenny play well with others, it needs a little garden discipline.

Regular trimming can keep Creeping Jenny’s spread in check. Snip off its runners whenever you see them getting too close to its neighbors. Not only will this stop it from overwhelming other plants, but it will also promote denser, healthier growth in the areas you want it.

Additionally, providing a physical boundary such as a garden edging or planting it in containers can restrict its spread, keeping it contained in a specific area of your garden.

Tips for Planting Creeping Jenny with Other Plants

The secret to keeping harmony in the garden is understanding each plant’s personality. Plant Creeping Jenny with other plants that can hold their own against it.

Consider robust, fast-growing companions that enjoy the same conditions as Creeping Jenny. These plants will be able to compete fairly for resources without getting overwhelmed. Some good companions could be hostas, sedum, or daylilies.

Also, keep an eye on their growth. Regular checks will ensure that none of the plants are encroaching on each other’s space too much. That way, everyone gets to shine in their own spot under the sun.

Live Perennial Hosta – So Sweet (3 Per Pack), Beautiful Accent Plant, 10″ Tall by 6″ Wide in 1 Quart Pot
  • SHADE PLANTS: Hosta ‘So Sweet’ is a wonderfully fragrant hosta, hence its name. It is a rapid grower with very shiny, dark green leaves and yellow margins in Spring.
  • GROWTH: This hosta grows to be about 12 inches tall and 22 inches wide.
  • CARE: All hostas need some shade and few, if any, will do well in strong direct sunlight. Water regularly. They will fully mature in four to eight years. For the best care of hostas, plant them in rich organic soil with a slightly acidic pH.
  • FUN FACT: Hosta, also known as plantain lily, is a genus of about 40 plants native to Eastern Asia.
  • LIVE PLANTS: Our plants are grown exclusively for Deep Roots and The Three Company, shipped fresh directly from our greenhouse to you!


Yes, Creeping Jenny can be a bit of a garden diva, stealing the spotlight and space from other plants. But with a little care and attention, it can also be a star performer that adds a vibrant, cascading charm to your garden. It’s all about balance and understanding the nature of your green companions.

Will Creeping Jenny Kill Other Plants?

About the author

Victoria Nelson

Victoria Nelson is a passionate gardener with over a decade of experience in horticulture and sustainable gardening practices. With a degree in Horticulture, she has a deep understanding of plants, garden design, and eco-friendly gardening techniques. Victoria aims to inspire and educate gardeners of all skill levels through her engaging articles, offering practical advice drawn from her own experiences. She believes in creating beautiful, biodiverse gardens that support local wildlife. When not writing or gardening, Victoria enjoys exploring new gardens and connecting with the gardening community. Her enthusiasm for gardening is infectious, making her a cherished source of knowledge and inspiration.

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