[{"source_document_id":103,"title":"PERENNIALS - The Northwest Nursery Co.","url":"https://archive.org/download/CAT31304326/CAT31304326.pdf","rights_status":"unknown","evidence_claim_count":12,"relationship_count":0,"history_event_count":0,"sample_snippets":["When properly used, it is described as one of the nursery's most valuable trees.","One row is recommended on the outside of every grove.","Dense, low-growing, bushy formation makes it an ideal break to stop surface winds and act as a snow fence in winter.","Especially fine for hedges on the farm."]}]