A rich source of humor for plant jokes comes from scientific names. You can play with both the English and Latin names.
Here are 14 examples:
1) What do you get from eating too much milo?
A: Sore gums. (Sorghum)
2) Why are waterweeds so friendly?
A: They always say Elodea.
3) Who laughs at Calamus jokes?
A: Somebody with a rattan sense of humor.
4) Why did the conservative professor keep postponing his lecture on Juncus?
A: Because he wanted to keep his students in "rush limbo".
5) Which plant wore green on St. Patrick's Day?
A: Phil O'Dendron
6) Did you ever wonder: is the transfer of so many species from Aster to Symphyotrichum a form of dis-aster.
7) Are Boykinias male?
8) Is a Kalmia that tolerates the climate of British Columbia winters both laurel and hardy?
9) If you cross a Philesia with a windflower, will it be a friend or Anemone?
10) Why did the cool botanist study Hibiscus?
A: He wanted to mallow out.
11) What did the botanist use to make a fishing pole?
12) How do you groom a Salvia?
A: With a sagebrush (Artemisia)
13) How does one laugh at Crataegus jokes?
A: Haw, haw, haw!
14) How do you deodorize skunk cabbage plants (Lysichiton)?
A:You need to arum out!
1) Don Les. Plant Science Bulletin. 49 (2). (2003.) [page numbers missing from online version] 2) Don Les. Menzesia 11(2): 16 (2006).
3) Don Les. Plant Science Bulletin. 49 (2). (2003).
4) Don Les. Plant Science Bulletin. 50: (2). (2004)
5) Modified from Don Les. Plant Science Bulletin. 49 (2). (2003).
6- 8) Don Les. Menziesia. 11(3: 13 (2006).
9) Modified from Don Les. Menziesia. 11(3):13 (2006).