Moneywort (Lysimachia nummularia)
[lye-sih-MAK-ee-ah num-yew-LAR-ee-ah]

Deciduous Perennial Prostrate, Mat-Forming in the Primulaceae Family
A fast-spreading, bright green groundcover with cheerful yellow flowers — excellent in containers, but notably aggressive if let loose in garden beds.

Lysimachia nummularia, commonly called Creeping Jenny or Moneywort, is a low, mat-forming perennial that roots wherever its trailing stems touch soil. Small, rounded, bright green leaves set off cup-shaped yellow flowers speckled with tiny red dots, blooming through summer.

It grows fastest in consistently moist to wet soil and full sun to partial shade, but its vigor is also its biggest drawback: left unchecked in garden beds, it spreads rapidly and can be difficult to control, and it is considered an invasive weed in some natural areas. It is best used in containers and hanging baskets, where its trailing habit can be enjoyed without the risk of it escaping into the surrounding landscape.

Pros

  • Fast, dense trailing habit — an excellent 'spiller' for containers and hanging baskets.
  • Bright yellow, red-dotted flowers over a long summer season.
  • Cold hardy and tolerates a wide range of soils, including wet sites.

Cons

  • Can be very invasive — spreads rapidly and is hard to remove once established.
  • Considered an invasive weed in some natural areas; best confined to containers rather than open beds.
  • Susceptible to rust and leaf spot.
Highlights A fast, mat-forming groundcover with bright green foliage and cheerful yellow flowers — a superb container spiller, but aggressive enough to need careful siting in the open garden.
 

Plant Data

Mature Size 2 - 4 inches tall. 12 - 24 inches wide.
Growth Rate Rapid
Sun Exposure Partial Shade - Full Sun
Moisture Tolerance Medium - Wet: Tolerates occasional flooding and wet soil, as well as occasional dryness, but grows best with consistent moisture.
Zones 3a - 8b (Usually hardy to -40° F)
Tags Container, Deciduous, Full Sun, Grown For Attractive Foliage, Hanging Basket, Medium, Partial Shade, Partial Sun, Perennial, Spillers, Wet, Wet Site Tolerant
Bloom Period Summer
Flower Color Yellow, Red Dots
Foliage Color Green
 

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Pricing and Availability History

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Past Availability
2025 : 02/05 - 10/04
2024 : 02/08 - 10/05
2023 : 03/02 - 09/30


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Field-Grown vs. Greenhouse-Grown Plants

Plants which are well-adapted to our local climate are most often field-grown (outside). Field-grown plants are generally cheaper and have the advantage of already somewhat acclimated to our cold winters, but that means they’re not artificially far along in the spring and tend to bloom at the normal time in our area.

Spring annuals and tender perennials are typically grown in Greenhouses so they can be ready and luxurious exactly when customers want them. Some perennials are also “forced” into early bloom in greenhouses. In May, there can be a very big difference between field-grown and greenhouse-grown plants of the same type. The latter typically look good right away (so they’re a great choice where that’s important), but we typically pay a premium for it.


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No Pricing or Availability Right Now

We order from a rotating cast of the best nurseries in the Great Lakes region. It looks like we've offered this plant in the past, but the nurseries we're working with this week don't appear to have it in stock at the moment.

Our goal is to bring as many plants together under "one roof" as possible, so we'll try hard to make it available again in the future!