To calculate how many plants per square, look on the back of the seed packet–totally ignore the row spacing, just look at the plant spacing:
- 12″ apart, plant 1 per square
- 6″ apart, plant 4 per square
- 4″ apart, plant 9 per square
- 3″ apart (or less), plant 16 per square

Square Foot Gardening Spacing
| Plant |
# Per Square |
| Asparagus |
1 |
| Basil |
1 or 4 |
Beans, bush
Beans, pole |
9
8 |
| Beets |
9 |
| Broccoli |
1 |
| Cabbage |
1 |
| Carrots |
16 |
| Cauliflower |
1 |
| Celery |
1 |
| Chives |
9 |
| Cilantro |
4 or 9 |
| Collard greens |
1 or 4 |
| Corn |
4 |
| Cucumbers |
8 |
| Dill |
1 |
| Eggplant |
1 |
| Garlic |
4 or 9 |
| Kale |
1 |
| Leeks |
4 or 9 |
| Lettuce |
4 |
| Mustard greens |
16 |
| Okra |
1 |
| Onions |
9 or 16 |
| Oregano |
1 |
| Parsley |
1 |
| Peas |
8 |
| Peppers |
1 |
| Potatoes |
1 |
| Radishes |
16 |
| Rosemary |
1 |
| Spinach |
9 |
| Swiss Chard |
4 |
| Turnips |
9 |
|
| Plant |
# of Squares |
| Cantaloupe |
2 |
| Pumpkins |
2 |
| Summer squash |
1 or 9 |
Tomatoes, determinate
Tomatoes, indeterminate |
41 or 4 or 9 |
| Watermelon |
2 |
| Winter Squash |
2 |
| Zucchini |
1 or 9 |
|
Happy gardening!
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