| (a) | Western Washington | ||
| (i) | Fall plantings . . . . . . . . . . . . | April 15 | |
| (ii) | Spring plantings . . . . . . . . . . . . | June 1 | |
| (b) | Eastern Washington | ||
| Fall plantings . . . . . . . . . . . . | April 15 | ||
| (i) | Spring planted annual crops except corn . . . . . . . . . . . . | (21 days after planting) | |
| (ii) | Corn and all perennial crops . . . . . . . . . . . . | June 1 | |