Modifiers matching annual:

• colorful,
• domesticated,
• red,
• hardy,
• bright,
• native,
• popular,
• brilliant,
• seasonal,
• tender,
• common,
• thin,
• coloured,
• weather,
• tall,
• fragrant,
• tropical,
• interesting,
• exotic,
• young,
• nonnative,
• colored,
• familiar,
• yellow,
• small,
• dead,
• herbaceous,
• european,
• taller,
• true,
• tough,
• loving,
• beautiful,
• invasive,
• colourful,
• cheery,
• upright,
• grown,
• spikelike,
• delicate,
• color,
• sensitive,
• low,
• tolerant,
• large,
• desirable,
• important,
• traditional,

Simple categories matching colorful:

• bloom,
• vegetable,
• fruit,
• textile,
• berry,
• object,
• gemstone,
• implement,
• icon,
• ribbon,
• bird,
• item,
• green,
• cheese,
• medium,
• wildflower,
• fastener,
• flower,
• gem,
• glassware,
• songbird,
• dessert,
• plant,
• shark,
• monkey,
• fish,
• food,
• garment,
• topic,
• organism,
• annual,
• veggie,
• ingredient,
• trinket,
• activity,
• touch,
• spice,
• creature,
• drink,
• shape,
• rock,
• bug,
• crystal,
• control,
• thing,
• information,
• animal,
• carpet,
• market,
• confection,
• individual,
• embellishment,
• book,
• seasoning,
• material,
• fabric,
• attraction,
• shrub,
• festival,
• insect,
• moth,
• macaw,
• colors,
• stone,
• houseplant,
• waterfowl,
• jewelry,
• event,
• image,
• decoration,
• yarn,
• male,
• ceremony,
• jasper,
• accessory,
• project,
• mineral,
• program,
• perennial,
• extra,
• fiber,