Here are the possible solutions for they have trees clue
Answer
Clue
Relevancy
cedars
Clue
Trees used to make shoe trees
Definition
CEDAR, a large evergreen coniferous tree
firs
Clue
Types of trees often used as Christmas trees
Definition
FIR, an evergreen tree
families
Clue
They have trees
Definition
FAMILY, a group of persons related by blood or marriage
newt
Clue
Gingrich who said "females have biological problems staying in a ditch for thirty days because they get infections and they don't have upper body strength"
Definition
a tailed amphibian of the salamander family, also EWT
edwardgrobinson
Clue
Actor who said "Some people have youth, some have beauty—I have menace"
ews
Clue
Sounds you might make when I say "Would you rather watch your parents have sex or have your parents watch you have sex?"
rings
Clue
Trees have annual ones
dogwoods
Clue
Trees that sound as if they're named for canines
Definition
DOGWOOD, any of various shrubs and trees of genus Cornus, also DAGWOOD
