Nicking seeds removes the outer coat of the seed to help speed up the germinating process.
You will need
- Sharp knife
- Razor blade
- Nail clippers
- Nail file
- Sulfuric acid (optional)
Step 1 Use sharp knife Use a sharp knife, razor blade, or small nail clippers to nick the outer coat.
Step 2 Rub seed Rub the seed with a nail file or sandpaper.
Step 3 Soak in water Soak the seed in water prior to planting.
Step 4 Remove when swells Remove the seed from the water when the seed swells. Then remove the outer shell with your hand.
Soak the seed in sulfuric acid for 2 to 4 hours if removing the outer shell by hand is unsuccessful.
Step 5 Plant Plant the seeds according to package directions when the outer shell is off.
Sandpaper is primarily made of garnet, aluminum oxide, or silicon carbide grains, not sand.