Cryptic crossword clue
Initially, Senator Bush is worried about Central Park’s plants  6

The most common and most likely answer to this crossword clue is the 6 letter word SHRUBS

S
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S

Buddy explains!

The straight part
We know that "plants" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case plants = shrubs.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does SHRUBS mean?

SHRUBS noun
  1. A woody plant smaller than a tree, and usually with several stems from the same base.
SHRUBS noun
  1. A liquor composed of vegetable acid, fruit juice (especially lemon), sugar, sometimes vinegar, and a small amount of spirit as a preservative. Modern shrub is usually non-alcoholic, but in earlier times it was often mixed with a substantial amount of spirit such as brandy or rum, thus making it a liqueur.

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