12 Reasons Your Seeds Fail to Sprout --- and Foolproof Ways to Fix Them
5. Planting Too Deep or Shallow
Golden Rule: Plant at 2x seed diameter
Fix it:
Follow seed packet instructions
Tiny seeds: surface-sow
| Seed Size | Depth | Examples |
|---|---|---|
| Small | 1/8 inch | Carrots, lettuce |
| Large | 1-2 inches | Peas, sunflowers |