Modifiers matching perennial:

• woody,
• small,
• tender,
• simple,
• tolerant,
• vibrant,
• herbaceous,
• hardy,
• alpine,
• mature,
• popular,
• larger,
• soft,
• common,
• tall,
• exotic,
• medicinal,
• loving,
• large,
• traditional,
• tough,
• bushy,
• low,
• beautiful,
• useful,
• edible,
• grown,
• colorful,
• tropical,
• leggy,
• familiar,
• scented,
• smaller,
• native,
• evergreen,
• deciduous,
• acaulescent,
• upright,
• ornamental,
• subtropical,
• taller,
• sensitive,
• leafy,

Simple categories matching leafy:

• vegetation,
• green,
• evergreen,
• vegetable,
• veg,
• material,
• forage,
• substance,
• plant,
• item,
• lettuce,
• shrub,
• perennial,
• spice,
• herb,
• essence,
• crucifer,
• veggie,
• soil,
• object,
• tree,