Toxic Spring Plants or flowers for Dogs: What Owners Should Know Spring brings new growth in gardens and parks, but some seasonal plants can be harmful if eaten by pets. Dogs and cats may nibble bulbs, leaves, or flowers out of curiosity, so it’s helpful to know which plants require extra caution at home and on walks. 🌱 Common Spring Plants That Are Toxic to Pets These plants are known to be poisonous if ingested: Bluebells  – All parts are toxic, especially the bulbs. Daffo