Modifiers matching shrub:

• poisonous,
• aromatic,
• evergreen,
• native,
• mature,
• young,
• deciduous,
• tall,
• woody,
• nonnative,
• coniferous,
• xeric,
• flammable,
• aggressive,
• larger,
• outdoor,
• broadleaf,
• spiny,
• colorful,
• small,
• leafy,
• cold,
• invasive,
• upland,
• leafed,
• indigenous,
• ornamental,
• perennial,
• old,
• low,
• large,
• fragrant,
• beautiful,
• toxic,
• xerophytic,
• tough,
• established,
• endemic,
• scented,
• smaller,
• hardy,
• alien,
• fruiting,
• australian,
• exotic,
• sensitive,
• tropical,
• tolerant,
• thorny,
• local,
• riparian,
• leguminous,
• tender,
• typical,
• colourful,
• dense,
• loving,
• common,
• domestic,
• prickly,
• under,
• short,
• taller,

Simple categories matching perennial:

• plant,
• forage,
• allergen,
• herb,
• fruit,
• native,
• legume,
• vegetable,
• grass,
• planting,
• weed,
• veggie,
• issue,
• pest,
• tree,
• seed,
• host,
• river,
• group,
• pasture,
• species,
• clover,
• wildflower,
• crop,
• flower,
• ornamental,
• shrub,
• vine,
• bunchgrass,
• antigen,