Plant Spacing for Intensive Gardening Methods

January 26th, 2009 by David LaFerney Leave a reply »
That sweet corn is way too close together - the yield was very small, and much of it fell over after a big rain because of the shallow restricted roots.
That sweet corn inter-planted with pole beans (an experiment) is way too close together – the yield was very small, and much of it fell over after a big rain because of the shallow restricted roots.

Recommended Spacing for Intensive Planting  Methods

Plant Inches Plant Inches
Asparagus 15 – 18 Lettuce, head 10 – 12
Beans, lima 4 – 6 Lettuce, leaf 4 – 6
Beans, pole 6 – 12 Melons 18 – 24
Beans, bush 4 – 6 Mustard 6 – 9
Beets 2 – 4 Okra 12 – 18
Broccoli 12 – 18 Onion 2 – 4
Brussels sprouts 15 – 18 Peas 2 – 4
Cabbage 15 – 18 Peppers 12 – 15
Cabbage, Chinese 10 – 12 Potatoes 10 – 12
Carrots 2 – 3 Pumpkins 24 – 36
Cauliflower 15 – 18 Radishes 2 – 3
Cucumber 12 – 18 Rutabaga 4 – 6
Chard, Swiss 6 – 9 Southern pea 3 – 4
Collards 12 – 15 Spinach 4 – 6
Endive 15 – 18 Squash, summer 18 – 24
Eggplant 18 – 24 Squash, winter 24 – 36
Kale 15 – 18 Sweet corn 15 – 18
Kohlrabi 6 – 9 Tomatoes 18 – 24
Leeks 3 – 6 Turnip 4 – 6

Arizona State University Master Gardener Manual: Intensive Gardening Methods.

How Close Together Can I Plant ???

This is a frequently asked question from people who are getting started with raised beds, deep mulch, square foot gardening, Ruth Stout, lasagna and other intensive gardening methods.  So far the seed suppliers don’t seem to have noticed that a lot of people are going to these highly productive intensive methods – and they don’t give this info on the seed packets.  I got this chart from the Arizona State University Agricultural website so it should be reliable information – and based upon my own anecdotal experience it seems to be about right.  By the way that’s a great article on the basic principles of intensive gardening – Arizona State University Master Gardener Manual: Intensive Gardening Methods.

I thought this info might be timely right now as the more obsessive compulsive of us are graphing out the plans for the coming season, and for the rest of us the chart would be a handy thing to have printed out and posted up in or near the garden.

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9 comments

  1. Dave says:

    Very useful information! I suppose I fit into that obsessive compulsive category ;)

    • David LaFerney says:

      I actually don’t usually, but I am doing more planning this year. I’m seeing the garden less as a pastime and more as an important asset this year. I think there’s a lot of that going around.

  2. Cheryl says:

    The Square Foot Garden book recommends 9 bean plants per square. Your place recommends 4-6. I think I had four per square and I found that too crowded. I think I’ll only do two, maybe three per square foot this year. (Bush beans)

    • I actually did 9 per square in a Square foot garden a couple of years ago, and my conclusion was that the beans were productive, but that they sprawled over all of the adjoining squares.
      .
      If your space isn’t completely covered by the time the plants are grown it isn’t intensive, because part of the method is that the crops crowd out the weeds.
      .
      There’s certainly plenty of latitude to exercise your own judgment.

  3. Uncle B says:

    I managed tomatoes in large pots this year, but corn and snflowers, my favorite beenstalks, and cumbers around the bottom of them, need huge amounts of compost, larger spaces than most articles designate, and lots of TLC in minor weeding, mulching and watering to be successful! My poorly single squash plant grown from seeds from a Squash imported from Mexico mid-winter, is a bush!, not a vine, and is thriving now with more sunlight, and has set fruit! Hope the season is long enough and the bugs don’t eat first! Happy gardening!

  4. upper20 says:

    How did your growing bed do?what did u raise? Asking because I’m going to start building 2 double ones for one of my greenhouses on monday,have all things ready,I ‘m in the south so they should give me what I need to start flowers for sales in march.what U think?will it give me same results if I double up on lenght&width?thank you in advance for your help.

  5. Keith R says:

    The seed packet plant spacing info is not that far off in general – just ignore the ‘row spacing’ distance and use the ‘plant spacing’ distance. No matter whose numbers you go by, you’re going to want to make adjustments from year-to-year, anyhow. And the seed packet numbers are at least specific to that variety, and since some varieties are more compact by nature (think about cabbage – ranging from varieties with 4-5″ heads, all the way up to the giant ones. I like the compact ones, and I space them 10″ apart, max, and if I remember right, that’s pretty close to the plant spacing listed on the packet. 15″-18″ wouldn’t apply to these varieties at all. Anyway, I just wanted to say, don’t be afraid to use the seed packet info as a starting place.

  6. Billy Lloyd says:

    i would have to say that organic gardening is a good way to spend your time and also it can keep you healthy..”,

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