Photos: Palmer's Scott Robb sets another world record at the Alaska State Fair

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Scott Robb, who holds numerous Alaska State Fair and world records for vegetables, prepares to weigh a red cabbage at this year's fair. He ended up with another world record for his 43 pound vegetable. August 21, 2013.

Want to grow a giant cabbage? Or any kind of giant vegetable? Ask any of the pros, and they'll tell you a few things. But don't expect many specifics.

For Scott Robb, the reigning world champion with his 138-pound "Palmer Pachyderm" green cabbage, which handily crushed the cabbage record in 2012 -- by a whopping 10 pounds -- it comes down to three things: Persistence, perseverance and patience.

"That's the key, there's no two ways around it," he said from his home in Palmer Wednesday.

Next week, Robb, 57, will haul another giant green cabbage across the Glenn Highway from his Colony Greenhouse to the Alaska State Fair's annual Giant Cabbage Weigh-Off competition. The yearly event, scheduled to begin 7 p.m. Friday, Aug. 30, puts the gargantuan cabbages the fair has become known for in the spotlight. World records for everything from broccoli Romanesco to beets are handed down each year, though few veggies gain as much recognition as the monster cabbages.

But this year, despite warm weather that has prompted some crops to flourish, Robb doesn't think he'll be able to top last year's record.

READ MORE: Growing gargantuan veggies a no-brainer for Palmer farmer with 9 world records