I'm a part-time standup comedienne, and I'm doing one last comedy act in Royal Oak, Michigan, on the night of April 26th, Secretary's Day (or Administrative Professionals Day, or whatever they call it now). I don't have a good joke about gardening. If you send me a short, funny gardening joke (for free of course), I may use it in my act that night.

If you're in the Detroit area, come see me perform at The Comedy Castle, Royal Oak, Michigan, on April 26th. It's open mike night - $2 admission. Such a deal!

Marlene in Michigan

I generally don't go see comics who solicit jokes on the internet.

I have one that's close enough to gardening:

What's Irish and sits outside all year?
Patti O'Furniture