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distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Silphium integrifolium","source_sha256":"49a54259fa58cfb28c42af358c19a39b8cb19779b133bc75a215a1c32cea0110","source_url":"https://plants.ces.ncsu.edu/plants/silphium-integrifolium/","status":"eligible_fact","taxon_id":"taxon:ea92ceb6-48b9-5e75-97cc-cfc9e2627100","value":["Occasionally Dry"]},{"expected_source_name":"Silphium integrifolium","field":"hardiness_zones","original_field":"hardiness","record_id":"trait:ee5a34e0063fb54b570cdb8944e60f301cd874de6c566c891ece637d4b8a2951","retrieved_at":"2026-10-04T02:45:04.490887+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Silphium integrifolium","source_sha256":"49a54259fa58cfb28c42af358c19a39b8cb19779b133bc75a215a1c32cea0110","source_url":"https://plants.ces.ncsu.edu/plants/silphium-integrifolium/","status":"eligible_fact","taxon_id":"taxon:ea92ceb6-48b9-5e75-97cc-cfc9e2627100","value":["4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b"]}],"values":{"flower_color":["Gold/Yellow"],"hardiness_zones":["4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b"],"height_description":"2–6 feet","leaf_habit":["Deciduous"],"life_cycle":["Perennial"],"light":["Full sun (6 or more hours of direct sunlight a day)"],"moisture_categories":["Occasionally Dry"],"soil_ph_categories":["Neutral (6.0-8.0)"],"spread_description":"1–3 feet"}},"prairie_moon_2026":{"identity_basis":"Exact scientific name; no new synonym guesses","matched_name":"Silphium integrifolium","page":10,"retrieved":"2026-09-30T18:00:34.396046+00:00","row_top":219.947,"scope":"Nursery cultural guide; height in flower; moisture categories retained as printed","source_label":"Prairie Moon 2026 Cultural Guide","source_sha256":"a0653d627b36184cd6bdd39aaea55efe2c15be3899976de28f978edc07a23cf1","source_url":"https://www.prairiemoon.com/catalogs/Prairie-Moon-Nursery-Cultural-Guide-2026.pdf","values":{"bloom_season":["July","August","September"],"flower_color":["Yellow"],"height_description":"5 feet (in flower)","light":["Full sun (6+ hours)"],"moisture_categories":["Wet-mesic","Mesic","Dry-mesic","Dry"]}},"ut_smart_yards":{"identity_basis":"Exact scientific name; no new synonym guesses","matched_name":"Silphium integrifolium","modified":"2017-02-15T20:35:10+00:00","page_id":"5149","scope":"Published Tennessee growing guidance; exact cached scientific heading","source_label":"Tennessee Smart Yards","source_url":"https://tynnativeplants.wordpress.com/flowers/common-name/rosin-weed-wholeleaf-rosinweed/","values":{"height_description":"2-6 feet","light":["Full sun"],"moisture_categories":["moderately wet to dry"]}}},"light_range":["full sun","full sun"],"light_source":"NC Extension Plant Toolbox","native_synthesis":{"claims":[{"basis":"unanimous_direct_child_native_flags","claim":"native","matched_name":"Silphium integrifolium","scope":"TN-KY","source":"tnky_atlas","supporting_taxa":[{"atlas_id":3055,"native_flag":"Y","scientific_name":"Silphium integrifolium var. gattingeri","url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/3055"},{"atlas_id":3451,"native_flag":"Y","scientific_name":"Silphium integrifolium var. integrifolium","url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/3451"}],"url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/3954"}],"county_native_range":"unresolved","explanation":"Source scopes are preserved. State occurrence alone does not establish nativity; combined regional evidence is labeled estimated.","label":"Native status unresolved in Kentucky","rule":"southeast-native-synthesis-1","status":"unresolved"},"source_name":"Silphium integrifolium","taxon_id":"taxon:ea92ceb6-48b9-5e75-97cc-cfc9e2627100","revision":"publish:5809c037-0e9a-430a-8008-5ab6f69800c0","photos":[{"id":"silphium-integrifolium-tn-3954-48175532","src":"/api/photos/image/b6cd3d647160338b42aca57e0912fc29dbc8a6379c43541f99b5fe5c3896d666.jpg","view":"bloom","alt":"Silphium integrifolium — flower photograph","width":480,"height":640,"artist":"USFWS Mountain-Prairie","license":"Public domain","license_url":"https://commons.wikimedia.org/wiki/Commons:Public_domain","source_url":"https://commons.wikimedia.org/wiki/File:Prairie_Wildflowers_(8250622848).jpg","changes":"Wikimedia thumbnail; no crop or retouching"}]}