Michelle Obama delivers Letterman's ‘Top Ten' (VIDEO)

ByABC News
June 6, 2012, 10:18 AM

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First Lady Michelle Obama appeared on the "Late Show With David Letterman" on Tuesday to do the "Top Ten" list, the "Top 10 Fun Facts About Gardening":

No. 10: Gardening was invented in 1822 by Albert Gardener.

No. 9: Plant avocados, tomatoes, onions and cilantro together and grow a guacamole tree.

No. 8: Eggplants were originally cultivated for use as doorstops.

No. 7: In his lifetime, the average American will eat half a radish.

No. 6: The largest zucchini ever grown contained a Starbucks.

No. 5: Later this year the Supreme Court will finally rule on "tomato" vs. "tomahto."

No. 4: If you have an actual green thumb, it might be scurvy.

No. 3: Lettuce is 96 percent water and 4 percent lettuce.

No. 2: The White House tool shed contains shovels, trowels and Weed Whacker One.

No. 1: With enough care and effort you can grow your own Barack-oli.

Michelle Obama is a frequent guest on late night television, having appeared on "The Late Show," "Tonight Show With Jay Leno" and "Daily Show," among others.