© Jim Morefield from Nevada, USA · CC BY-SA 2.0
Wikimedia Commons — CC, credited & licensed per image
Pictured: Plagiobothrys kingii — the species. This variety isn’t separately illustrated.
Boraginaceae family
Harness' Popcornflower (var. harknessii) Plagiobothrys kingii var. harknessii variety
Native
Harness' Popcornflower (var. harknessii) is an annual wildflower native to the lower 48 states.
Growing & care
USDA PLANTS · TRY Conditions
Sources · Conditions
Cold hardiness (derived) — Hardiness
- Hardiness
- ≥ zone 8 derived from its U.S. range
Size & form
Sources · Size & form
USDA PLANTS — Lifespan
- Lifespan
- Annual
In the garden
Herb layer — Sits in the herb of a layered food forest or polyculture.Open guide →
derived roles
Species characteristics from USDA PLANTS (public domain) + TRY (CC BY) — general guidance, not a
guarantee for your exact site. Deer "browsing" is documented palatability, not a deer-proof claim.
Wildlife & pollinators
How pollinator value is scored →❧ Caterpillar hosts Documented caterpillar host
Recorded feeding on Plagiobothrys in North America, including:
Named species (a documented Nearctic sample, not exhaustive) from NHM HOSTS (CC0).
Related plants
More Plagiobothrys →
Native
Adobe Popcornflower
Plagiobothrys acanthocarpus
●●○○○ 
Native
Arizona Popcornflower
Plagiobothrys arizonicus
●●○○○ 
Native
Artist's Popcornflower
Plagiobothrys chorisianus
●●○○○ 
Native
Artist's Popcornflower
Plagiobothrys undulatus
●●○○○ 
Native
Austin's Popcornflower
Plagiobothrys austiniae
●●○○○ 
Native
Bearded Popcornflower
Plagiobothrys hystriculus
●●○○○ Same genus / family, ranked by ecological value — from the PlantKey catalog
Sources for this entry (10) Open & cited
[01] Scientific name & family — USDA PLANTS (DwCA, Zenodo 17903503)
[02] Growth habit & duration — USDA PLANTS (DwCA, Zenodo 17903503)
[03] Native status & distribution — USDA PLANTS (DwCA, Zenodo 17903503)
[04] Common name — USDA PLANTS (via GBIF)
[05] Invasive / introduced status — USDA PLANTS (DwCA, Zenodo 17903503) — native status
[06] Ecological value — GloBI
[07] Conservation rank — NatureServe Explorer (CC BY)
[08] Cold hardiness (derived) — Derived from U.S. range × USDA PHZM zones
[09] Caterpillar species — NHM HOSTS (CC0)
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Cite this page Open data, please attribute
PlantKey’s data is open under CC BY-SA 4.0 — free to reuse and adapt, with attribution and the same licence. Photos keep their own per-image licence + credit (see Sources above).
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