Modifiers matching perennial:

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

Simple categories matching low:

• grass,
• shrub,
• furniture,
• level,
• item,
• rank,
• cloud,
• surface,
• binder,
• object,
• status,
• character,
• area,
• clearance,
• barrier,
• structure,
• pressure,
• use,
• light,
• perch,
• place,
• metal,
• tree,
• condition,
• crime,
• situation,
• piece,
• mood,
• point,
• chair,
• value,
• animal,
• ground,
• furnishing,
• elevation,
• annual,
• process,
• task,
• affinity,
• ornamental,
• stratum,
• facility,
• vegetation,
• bush,
• bench,
• land,
• perennial,
• power,
• obstruction,
• form,
• shoes,
• building,
• protein,
• section,
• action,
• invertebrate,
• detail,
• establishment,
• class,
• spot,
• plant,
• country,
• frequency,