Do you mean 6 foot rather than 6 inches? Anyway, 30 feet would be better.

Yes, I meant six feet - thanks!

Great question. I have planted my first 20' row and curious about yield. I might plant another 20' row because I think I'm going to like them so much.

I just planted my first sugar snap crop, about 20 ft. along a wire fence. If we don't like them as pods, I figure I can let them mature into actual peas.

Our family of 3-5 (depending which married kids show up for supper!) eats as much as we can grow. We have about 50' of double rows and use them only for fresh eating (as opposed to freezing any for later.) That includes raw in lunches as well as stir fries and salads several days a week. Most people find it is hard to have too many. If you are short on vertical space, remember you can plant beans, cucumbers, even tomatoes near the peas, toward the end of the peas' season.

Peas aren't high on the yield scale, but you're sure to get more production out of your sugar snaps than traditional English. But if the whole family loves them, I'd double what you've got.

So glad you asked this question, this is my first year growing peas and I was curious how many I'd actually get from my plants. I'm the only one in the house who'll eat 'em though so hopefully the pack and a half I have will give me enough! ;)

yikes! my family adores sugar snap peas, and the only other spot i have for more trellises are near garlic. i tried planting the peas near garlic last year and found out the hard way that alliums stunt peas. :(

My wife and I love sugar snaps. They are definitely best raw while still standing in the garden. Otherwise I like them in stir-fry or in a salad. I like to plant at least 40 feet of double row in the spring and twice that much in the fall. That way we have plenty of peas even if we "lose" some of them on the way back to the house.

Huh, disregarding all the rules apparently, I have 40 garlic growing under 30 sugar snaps in a 5 1/2 foot raised planter that have produced around 400 pods or so. This is from a month ago, they're over the fence now and probably a week or two away from giving up the ghost.

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I planted mine next row over my garlic. I dont see how garlic can effect any problems with the peas.

What everyone already said. Also like price430 mentioned, I usually sow extra peas because I always lost some to slugs. They love peas.

Yeah, I also plant Garlics and Onions right next to my Peas and have never had any issues.

But to answer your question, if your garden is as productive as mine,, in a 40' row I harvested 106 lbs.
The only reason I know poundage is because I donate all of my veggies to the FoodBank (and they weigh it when it comes in), of course that doesn't take into consideration the Peas that I snacked on while picking .... YUMMMMM

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Back in 2009, I planted about 60 feet of Dwarf Gray Sugar peas. These are the type where you eat the pod and you must harvest them before the peas develop. Got about 12 pounds of peas for the season.

Last year I planted the Burpee Sugar Snap peas and they did horrible - mostly because it turned exceptionally hot.

This year I planted about 334 Cascadia Snap Peas in the same area. Planted them over a week ago when the temps were over 70 during the day - but now we've went back into the high-30's and freezing temps at night. None have sprouted yet. I hope Cascadia does better - especially since they won't grow nearly as tall as the Sugar Snap/Super Sugar Snap.

Here is a link that might be useful: My Garden Blog

I planted Cascadia last week too. I covered them with clear plastic. I checked them yesterday. They are sprouting below the surface. I plan to keep the blanket on for a while longer.

Last year I planted the Burpee Sugar Snap peas and they did horrible - mostly because it turned exceptionally hot.

I plant these every year and they usually do great. I had the same problem last year with the heat, I think I actually got 1 pod before they all died. If I remember correctly, it got really hot very early last year.

I was going to plant mine this weekend but now we have snow in the forecast again next week so I'll wait a bit.