Can ornamental plants prevent erosion?

Published: November 18, 2025
Updated: November 18, 2025

Numerous ornamental plants are effective in controlling erosion and beautifying the landscape. Certain kinds of Daylilies produce heavy masses of roots that bind the soil particles together. Mountain mint spreads by means of rhizomes and forms nets of underground roots. These plants help mitigate the erosive effects of water on the slopes while enhancing the landscape with their flowers and foliage. If wisely chosen, these plants will prove valuable as both erosion checkers and ornamental plants.

Root Stabilization

  • Daylilies: Fleshy roots bind 18-inch soil depth
  • Ferns: Fibrous mats prevent surface erosion
  • Hostas: Rhizomes spread horizontally securing slopes

Aesthetic Features

  • Seasonal blooms lasting 4-8 weeks
  • Color-changing foliage through seasons
  • Winter interest with berries or bark
Top Ornamental Erosion Control Plants
PlantDayliliesErosion FunctionFleshy root bindingOrnamental FeatureSummer bloomsSlope Suitability
Moderate <25%
PlantMountainmintErosion FunctionRhizome nettingOrnamental FeatureSilvery foliageSlope Suitability
Steep <33%
PlantVirginia SweetspireErosion FunctionSuckering rootsOrnamental FeatureWhite flower cascadesSlope Suitability
Wet slopes
PlantCoral BellsErosion FunctionFibrous mattingOrnamental FeatureColorful leavesSlope Suitability
Rock gardens

Select ornamental plants that are suitable for the root structures and adapted to the site conditions. For sunny slopes, select drought-tolerant plants, such as Sedum (also known as Stonecrop). For weeded places, select ferns or Hostas. Select different flowering periods to achieve a seasonal color palette. Avoid those plants that are aggressive in distribution. This is a balance between beauty and ideal erosion control.

Strategic placement of plant ornamentals can provide maximum effect. Space according to mature size and allow for roots to increase. Use a combination of shallow- and deep-rooted plants. Use groups of 3-5 plants to create a visually impactful display. Amend the soil with compost before planting. Use mulch for moisture conservation and weed suppression.

Low maintenance is a key advantage of decorative erosion-resistant plants. Once they are planted, little irrigation will be needed. They grow naturally, so pruning is not required. They are more resistant to pests than non-ornamental plants. The result is a low-maintenance landscape that defends our soil throughout the year.

These plants offer ecological benefits beyond erosion mitigation; they attract pollinators such as bees and butterflies, their thick growth provides cover for small wildlife, and their fallen leaves naturally enrich the soil. These plants create thriving ecosystems on previously unstable slopes.

Read the full article: 10 Best Erosion Control Plants for Your Landscape

Continue reading