Raised bed planner: what fits and when

Enter your bed size and ZIP code. The planner lists how many of each crop fit, drawn as a grid, and which are in their planting window now in your town, from USDA's planting tables and your nearest NOAA station's average frost dates.

A raised bed has no rows, so we space plants the USDA in-row distance apart both ways, in a grid (our method, not USDA's).

What fits

Plants that fit in a 4×8 bed
CropSpacingPlants
Asparagus18 in10
Beets2–3 in512–1,152
Broccoli14–24 in8–18
Brussels Sprouts14–24 in8–18
Cabbage14–24 in8–18
Cantaloupe6 feet0
Carrots2–3 in512–1,152
Cauliflower14–24 in8–18
Celery4–6 in128–288
Chervil and Chives2–3 in512–1,152
Chinese Cabbage8–12 in32–72
Collard Greens1½–2 feet8–10
Corn Salad12 in32
Cucumbers3 feet2
Dandelion Greens8–12 in32–72
Eggplant3 feet2
Endive12 in32
Fennel4–6 in128–288
Garlic2–3 in512–1,152
Green Beans3–4 in288–512
Head Lettuce12–15 in18–32
Horseradish1½–2 feet8–10
Kale12–15 in18–32
Kohlrabi5–6 in128–171
Leeks2–3 in512–1,152
Lettuce6 in128
Lima Beans3–4 in288–512
Mustard Greens12 in32
New Zealand Spinach18 in10
Okra2 feet8
Onion Seed2–3 in512–1,152
Onion Sets2–3 in512–1,152
Onions2–3 in512–1,152
Parsley4–6 in128–288
Parsnips2–3 in512–1,152
Peas1 in4,608
Peppers1½–2 feet8–10
Potatoes10–18 in10–36
Radishes1 in4,608
Rhubarb3–4 feet2
Rutabaga2–3 in512–1,152
Salsify2–3 in512–1,152
Shallots2–3 in512–1,152
Sorrel5–8 in72–171
Soybeans3 in512
Spinach3–4 in288–512
Summer Squash (Zucchini)15–18 in10–18
Sweet Corn14–16 in18
Sweet Potatoes12–14 in18–32
Swiss Chard6 in128
Tomatoes1½–3 feet2–10
Turnips2–3 in512–1,152
Upland Cress2–3 in512–1,152
Watermelon2–3 feet2–8
Winter Squash2–3 feet2–8
Witloof Chicory6–8 in72–128

Spacing: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” table 2. Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5, for the column nearest your average frost date. Frost dates: NOAA U.S. Climate Normals 1991–2020.

Updated