Galax:  friendship ...

Gardenia:  You're lovely ... secret love ...

Garlic:  protection ... strength ...

Genista:  safety ...

Geranium:  stupidity ... folly ... comfort ... health ...

Ginger:  comforting ...

Gladiola:  Give me a break ... I'm really sincere ... flower of the gladiators ... strength of character ... sincerity ... generosity ...

Gloxinia:  love at first sight ...

Goldenrod:  good fortune ...

Grape Leaf:  intoxicating ...

Grass:  submission ...