knee-high by the 4th of July

*knee-high by the 4th of July

Fig. grown as tall as it should. (Corn seedlings are proverbially supposed to be as high as someone's knee by July 4th.) (*Typically: be ~; become ~; grow ~.) What with this drought, I don't think the crop will be knee-high by the 4th of July. It's gonna be a good year. Knee-high by the 4th of July.
See also: 4th, by, July, of
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • knee-high to a duck
  • knee-high to a jackrabbit
  • knee
  • knee high to a grasshopper
  • knee-high to a grasshopper
  • be knee-high to a grasshopper
  • grasshopper
  • give (one) the fig
  • go to one's head, to
  • all the thing
References in periodicals archive
"We usually say it should be knee-high by the 4th of July but it's already up to my shoulders.