Transplanted hibiscus not flowering

in Plants
When my granddaughter moved South she gave me a variegated hibiscus from her garden. I planted it in a sunny spot in the garden around 4 years ago. Unfortunately it has never flowered with me- not even a tiny bud!! Do I leave it or do I dig it up?

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I don;t know the variegated variety but usually variegated plants are often "weaker" in their growth.
The choice is yours of course but if it isn't flowering at all at that size/age, it is perhaps time to call it a day and think of something else more suitable
Would it be better in your garden?
Trying to think where it was in your garden - up above the terrace on the way to the GH's ?
I am looking for something for the front garden - the other side of the front door from the Wisteria - south facing - but still got a lot of clearing ( mostly Vincs major and Ash saplings ) to do. May be worth a thought tho.
@philippasmith2. It’s just by the side of the Hydrangea Vanilla Fraise, bird food side, in the long border. Straight outside of the sunroom doors. It wasn’t so close to the VF but that’s grown much bigger now. Maybe I’ll move it to the horseshoe border, sun all day there.