Crossword clues for Plants. 6 letters:SEWAGEWater treatment plant inputONSITEIn the plant, sayCACTUSPlant in many Road Runner cartoonsINSECTPitcher plant's lunchMILDEWFungal plant coatingTHORNSPlant defensesRESEEDPlant overSTOMASPlant poresCACTUSPlant seen in Road Runner cartoonsTEASELPlant with prickly leavesSTEVIAPlant-based sugar substituteMAPLESArbor Day plantingsSUMACSPlants with flavorful and irritating varietiesRESEEDPlant anewAGAVESTequila plantsCACTUSPlant with pricklesMOSSESBog plantsWATERSTends the plantsRESOWSPlants new cropsTEASELSpiny-flowered plantDIATOMAquatic one-celled plant.NECTARHoney of plants.JOJOBAPlant whose oil is used in lotions and moisturizersBOTANYStudy of plantsMOSSESFlowerless plantsSEWAGETreatment-plant matterRESOWSPlants seeds once moreCEREUSCactus plantTEASELPrickly invasive plantCIDERYApple processing plantUNPOTSBegins a plant relocationOXYGENPlants release itCACTUSPlant in Road Runner cartoonsAZALEAPretty-but-poisonous plantBOTANYScience of plantsRESEEDPlant new grassSHILLSPlants with legsWITHERShrivel, as a plantPOLLENPlant powder that causes hay feverRESEEDDo additional planting.LAURELPlant family that includes cinnamonIPECACDried root from a plant of the madder familyNETTLEStinging plantEDEMASMoisture overload results, in plantsSEDGESSwamp plantsLIANASClimbing plants.SESAMETropical plant, part of a familiar password.CLOVERForage plant.NETTLEPlant with a stingMESCALMaguey plant intoxicant