How to Keep Newly Planted Grass Seed From Eroding

Loose soil is prone to severe erosion from heavy rainfall or improper irrigation methods. Water will always seek its own level, creating shallow channels for drainage. Newly planted grass seed is easily carried away in a single afternoon downpour. Precautions should be taken when planting grass seed on steep slopes or areas that are prone to heavy water runoff. Various types of grass seed should also be planted together since many cover crop species are quick to germinate and aid in holding slower-germinating grass seed in place.

Garden rake
Grass seed
Straw
Shovel
1-inch-by-1-inch netting
Metal netting stakes

Instructions

- 1
  Rake the soil area with a garden rake. Run the rake perpendicular to the natural slope or runoff of the ground. Remove all errant vegetative material, roots and rocks.
- 2
  Disperse the grass seed according to the package directions. Ensure enough seed is broadcast over the area for proper germination. Lightly rake the seed into the soil in the same direction as Step 1. This will increase soil contact for improved germination.
- 3
  Apply a straw mulch over the newly planted seed. Layer the mulch 2 to 3 inches deep over the erosion problem area.
- 4
  Punch the new straw into the soil by embedding the blade of the shovel 4 inches deep across the erosion site. The punching method imbeds the straw into the soil, while the upright pieces of straw slows water movement over the ground. The straw should resemble the bristles on a toothbrush.
- 5
  Install 1-inch-by-1-inch netting held in place by short metal stakes over steep slopes. The netting will hold the straw and seed in place during heavy rainfall. Follow the manufacturer's installation instructions for the netting product since many different types of erosion control netting or mats are available.

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