Answer: crabapple

AnswerCrossword Clue
CRABAPPLE

Jelly source

CRABAPPLE

It's wild and found in preserves

CRABAPPLE

Tart fruit

CRABAPPLE
Sour-fruit tree
CRABAPPLE
Kind of jelly.
CRABAPPLESuitable fruit for Scrooge?
CRABAPPLEGrumpy flowering tree?
CRABAPPLESmall sour fruit
CRABAPPLESmall, tart fruit
CRABAPPLESour fruit
CRABAPPLESmall fruit high in pectin