Cryptic crossword clue
Flower suitable as a lover’s giftt, I’d suggest 6-2-3

The most common and most likely answer to this crossword clue is the 6 plus 2 plus 3 letter word FORGET ME NOT

I've seen this crossword clue in Financial Times
F
O
R
G
E
T
M
E
N
O
T

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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 FORGET ME NOT mean?

FORGET ME NOT noun
  1. Any of the flowering plants of the genus Myosotis, mostly with a small five-petalled blue flower.
  2. A light tint of blue, the color of the flower.
  3. Any of various light-blue coloured lycaenid butterflies of the Asian and Australasian genus Catochrysops, especially Catochrysops strabo native to India and Southeast Asia.

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