Cabbage Plants Per Square Foot Calculator

Cabbage Plants Per Square Foot Calculator

Estimate cabbage plant density for beds, blocks, and short rows using head type, maturity group, spacing, usable bed area, transplant survival, and succession timing.

plants per sq ft bed head count seedling starts succession window
🥬Cabbage Bed Presets

Choose a real cabbage planting pattern, then adjust the bed dimensions, head type, maturity, spacing, and succession settings to match your garden plan.

📏Bed Size and Entry Mode
Accounts for edges, drip lines, stepping gaps, or a partial bed.
🌱Heading Type, Spacing, and Succession
Distance from one cabbage stem to the next in the row.
Use the same value as in-row spacing for square-foot blocks.
Cabbage heads mature over a short window, not all on one day.

Cabbage Square-Foot Planting Plan

Spacing and bed size summary will appear here.

Plants Per Square Foot
0
heads/sq ft
spacing density
Plants Per Planting
0
transplants
single bed fill
Seedlings To Start
0
starts
survival adjusted
Succession Harvest Window
0
days
from first to last head
Calculation Breakdown
Gross bed area0 sq ft
Usable cabbage area0 sq ft
Heading type and maturityEarly green
Spacing and layout factor12 in x 12 in
Plants per planting0 heads
Succession total0 heads
Seedlings with survival buffer0 starts
First harvest estimate0 days
Last harvest estimate0 days
📊Spacing Density Grid
1.44
10 x 10 in
Useful for mini or baby cabbage harvested before full-size heads.
1.00
12 x 12 in
Classic square-foot spacing for compact early cabbage types.
0.44
18 x 18 in
Balanced spacing for larger maincrop round or savoy heads.
0.25
24 x 24 in
Roomier spacing for storage cabbage and very large heads.
🧮Cabbage Planting Comparison
Square-Foot BlockDense beds

Best for 4-foot beds, small plots, and compact varieties where each square is filled evenly.

Straight RowsSimple rows

Best when hoeing, drip tape, or row cover hoops define the cabbage spacing.

Staggered RowsMore plants

Offsets every other row to use bed width efficiently while keeping leaves from crowding stems.

Succession BedsLong harvest

Repeats smaller cabbage plantings so mature heads arrive over several weeks instead of all at once.

📘Cabbage Reference Tables
Heading typeTypical spacingMaturity rangeSquare-foot use
Mini or baby cabbage8 to 10 in each way50 to 70 days1.44 to 2.25 plants/sq ft for small heads
Early green cabbage12 to 15 in each way60 to 75 days0.64 to 1.00 plants/sq ft in spring beds
Maincrop round green18 in each way75 to 95 daysAbout 0.44 plants/sq ft for medium heads
Red cabbage18 to 24 in each way80 to 110 days0.25 to 0.44 plants/sq ft depending on head size
Savoy cabbage18 to 24 in each way75 to 105 daysRoom for crinkled outer leaves improves airflow
Napa or Chinese cabbage10 to 15 in rows, 14 to 18 in apart50 to 75 daysWorks well in staggered rows for tender heads
Spacing patternPlants/sq ftPlants in 4x8 bedBest cabbage fit
8 x 8 in2.2572 before edge bufferBaby cabbage, trial greens, small napa
10 x 10 in1.4446 before edge bufferMini heads and compact pointed types
12 x 12 in1.0032 before edge bufferEarly green cabbage and tight square-foot beds
15 x 15 in0.6420 before edge bufferIntermediate early and small red cabbage
18 x 18 in0.4414 before edge bufferMaincrop, savoy, and medium storage heads
24 x 24 in0.258 before edge bufferLarge storage cabbage or wide wrapper leaves
Succession planIntervalUseful seasonWhat it does
Single planting0 daysStorage or one-time harvestMaximizes one crop block and one harvest window
Two plantings10 to 14 daysSpring or fall main bedSpreads mature heads over about three to four weeks
Three plantings14 daysCool, steady weatherWorks for fresh eating without filling the whole bed at once
Four or more plantings7 to 10 daysBaby cabbage or napaSmall repeated batches keep tender heads moving
Bed exampleUsable area12 in spacing18 in spacing
2 x 6 ft edge bed11 sq ft at 92%11 cabbage plants5 cabbage plants
4 x 4 ft square bed15 sq ft at 92%15 cabbage plants7 cabbage plants
4 x 8 ft raised bed29 sq ft at 92%29 cabbage plants13 cabbage plants
30 in x 50 ft market bed115 sq ft at 92%115 cabbage plants51 cabbage plants
💡Spacing Tips

Match spacing to head size. Mini and early cabbage can sit close, but storage cabbage needs air and wrapper-leaf room so heads size up without constant rubbing.

Plan seedlings above the exact count. A cabbage bed rarely transplants at 100 percent, so the calculator raises seedling starts when survival is below perfect.

How many cabbage plants fit? That’s what we all ask about a new raised bed. How many can I grow here without crowding?

We want a manageable home garden feel, but with the density of a commercial field. What’s the right answer to cabbage plant per square foot? It isn’t just about geometry; it is more like a negotiation between airflow, head size, and how patient you are with thinning baby cabbages.

How Many Cabbage Plants Fit in Your Garden?

Enter your bed dimension and your plant-to-plant spacing into the calculator; it’ll do the math for you. Stop guessing at conversions and other numbers. Knowing why matters help keep the heads firm and healthy.

One square-foot block, or perhaps a tidy 4×8 bed: that’s what most gardeners begin with. In their minds’ eye they see orderly grids, with each plant recieve its fair share of real estate. Fine on paper, but in the real world those cabbage leaves go and get all expansive. Particularly when the heads start to tighten up, they spread out like green umbrellas. If planted too closely, the foliage touches. When foliage touches, you’ve got trapped moisture and a recipe for mildew setting in. It is a small thing, but it matter.

See the reference table below for spacing. Mini varieties need 10 inches between plants, while storage cabbages need over a foot, at 24 inches. The point isn’t really fitting in more heads… But fitting in healthy ones.

The spacing depends a lot on the crop you’re planting. For example, mini cabbages will tolerate cramming into a 4×4 block and produce decent yields anyway. They don’t produce such a huge leafy structure as maincrop varieties, so they’re forgiving.

Early greens require about a foot of space in each direction to grow properly. They are slightly pickier, as too little room makes for a very unhappy early green. That’s when the heading-type selection has its impact.

A heavy red storage variety or some giant Savoys will push down the density requirement. And it will also force you to face reality: The plant is the size it must be, and there is no cheating nature by forcing three big heads in an area where only two fit. The outcome is three crappy, misshapen heads that go bad at the bottom.

Oh yeah, and then there’s the question of succession planting. A lot of folks grow all of their cabbages, say, on day one and then wait months, harvesting them all in a mad weekend rush. Then by the time you’ve even made a dent in half your heads, the remainder have begun to separate into bits, or go bolting.

Better to space your sowings, as this stretches that brief harvest moment into a stream of newly picked veggies. With the calculator you can specify how long to leave between sowings; I find about two weeks is ample to stagger maturing times. Plant a row in April; another in mid-April; perhaps one more in late May. Each batch will mature a week or two later than the last, and you’ll enjoy a constant supply rather than an onslaught. More work up front? Yes. But it pays back well in fresh food for many days longer.

People also ignore another number: transplant survival. You buy fifty seedlings and expect fifty plants, but don’t get fifty plants. Why? Because some get damaged by the roots; some burn their leaves in the sun; others just never establish themselves.

This tool has an input called survival percentage. If you’re a realist, say you enter 80 percent; if you’re a Pollyanna, call it 90. It will adjust the seedling count upward to allow for those losses, starting you with a few extras to make up the difference. Better a handful of spares than gaps in your rows.

How do you choose how many and where? Measure out what’s usable in your bed, then subtract drip lines, pathways, and edge space. Next, select the cabbage type that fits how you want to store them. Choose storage types for winter eating or mini heads for fast consumption. Based off that choice, set your spacing. Use this tool again to determine the density. Now stand back and assess your layout. Do the cabbages seems too close together in your mind? They will be in the soil.

The math will help; but even more so, believe your own eyes. A well-spaced bed will appear slightly empty initially; and that’s when you have it right.

Cabbage Plants Per Square Foot Calculator

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