Michelle Obama delivered the “Top 10 Fun facts about gardening” on the Late Show with David Letterman on Tuesday night.

Here’s the first lady’s full list, from the AP:

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.

Obama was on the couch opposite Letterman for an interview in March. She recently has made several TV appearances to promote her new book, “American Grown: The Story of the White House Kitchen Garden and Gardens Across America.”

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