I don't have tfa plum so I couldn't be sure. Only one way to find out! It's a fairly delicate base, so I'd suggest starting at the low range of suggested usage for it
Kopel, thanks for the recipe. It's fantastic. I actually couldn't resist trying my hand at combining the concept of Pluckle with ID10-T's "Longing." After several variations, I have a recipe I think is good enough to publish; it will be my first public recipe. I wanted to comment here and invite you to try it, largely because I would love some input and to get whatever feedback you might have to offer. I am going to publish it now under the name "Sweet Pluck."
Pluckle also gets better with steeping. Just had some 6 months old reserve. It gets smoother and rounder in taste.
It also develops a beautiful pastel green tint that looks wicked in tanks.