Spacing depends on your purpose.
The following chart will give you the ideal distances to use when planting hybrid poplars.|
Cutting Cycle in years |
Spacing in feet |
|
1 to 3 |
2x4 to 4x4 |
|
4 to 5 |
6x6 to 5x10 |
|
6 to 7 |
8x8 to 7x10 |
|
8 to 9 |
9x9 to 10x12 |
|
10 to 12 |
12x12 to 10x16 |
|
15 to 20 |
15x15 to 20x20 |
For a wind breaker you can try this
arrangement by staggering rows.
This insert is from the USDA pamphlet "Planting and Care of Hybrid Poplar"
| 1ft | 2ft | 3ft | 4ft | 5ft | 6ft | 7ft | 8ft | 9ft | 10ft | 11ft | 12ft | |
| 1ft | 43,560 | 21,780 | 14,520 | 10,890 | 8,712 | 7,260 | 6,223 | 5,445 | 4,840 | 4,356 | 3,960 | 3,630 |
| 2ft | -- | 10,890 | 7,260 | 5,445 | 4,356 | 3,630 | 3,111 | 2,723 | 2,420 | 2,178 | 1,980 | 1,815 |
| 3ft | -- | -- | 4,840 | 3,630 | 2,904 | 2,420 | 2,074 | 1,815 | 1,613 | 1,452 | 1,320 | 1,210 |
| 4ft | -- | -- | -- | 2,723 | 2,178 | 1,815 | 1,556 | 1,361 | 1,210 | 1,089 | 990 | 908 |
| 5ft | -- | -- | -- | -- | 1,742 | 1,452 | 1,245 | 1,089 | 968 | 871 | 792 | 726 |
| 6ft | -- | -- | -- | -- | -- | 1,210 | 1,037 | 908 | 807 | 726 | 660 | 605 |
| 7ft | -- | -- | -- | -- | -- | -- | 889 | 778 | 691 | 622 | 566 | 519 |
| 8ft | -- | -- | -- | -- | -- | -- | -- | 681 | 605 | 545 | 495 | 454 |
| 9ft | -- | -- | -- | -- | -- | -- | -- | -- | 538 | 484 | 440 | 403 |
| 10ft | -- | -- | -- | -- | -- | -- | -- | -- | -- | 436 | 396 | 363 |
| 11ft | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 360 | 330 |
| 12ft | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 303 |