cachepot
noun
cache·pot ˈkash-ˌpät 
ˈkash-ˌpō,
ˈka-shə- : an ornamental receptacle to hold and usually to conceal a flowerpot
Example Sentences
Recent Examples on the Web Planters without holes, sometimes called cachepots, will require the addition of landscape rocks and charcoal horticultural soil for drainage or the use of a smaller, secondary interior pot that can be removed for watering. 
Bonnie Mccarthy, Los Angeles Times, 13 Mar. 2020
Bonnie Mccarthy, Los Angeles Times, 13 Mar. 2020 Word History
Etymology
borrowed from French, literally "(it) hides (the) pot," from cache, 3rd singular present tense of cacher "to hide" + pot "container, jar, pot," going back to Old French, going back to Vulgar Latin *pott-, of uncertain origin — more at cache entry 1, pot entry 1
First Known Use
1854, in the meaning defined above