[{"source_document_id":103,"title":"PERENNIALS - The Northwest Nursery Co.","url":"https://archive.org/download/CAT31304326/CAT31304326.pdf","rights_status":"unknown","evidence_claim_count":5,"relationship_count":0,"history_event_count":0,"sample_snippets":["It is undoubtedly being planted in larger quantities than any other variety in the Northwest today.","It soon makes an effective windbreak.","It is quick to start and easily planted.","It has proved itself hardy beyond question, to withstand drought and cold winters."]}]