Blue Leadwood Ceratostigma plumbaginoides
Blue Leadwood is an introduced perennial shrub, found in the lower 48 states. It grows to 1.2 ft.
More about this plant
Ceratostigma plumbaginoides, the hardy blue-flowered leadwort, is a species of flowering plant in the plumbago family, native to China, where it is known as 蓝雪花. Wikipedia →
Growing & care
USDA PLANTS · TRY- Hardiness
- ≥ zone 8 derived from its U.S. range
- Height
- 1.2 ft
- Lifespan
- Perennial
- Foliage
- Broadleaf
- Flower colour
- Blue AI AI image-analysis of community-science photos (~87% expert agreement) — not a botanical record
Wildlife & pollinators
How pollinator value is scored →✦ Bees 5 bee visitors
5 native & managed bee species are documented visiting Blue Leadwood :
Wildlife & visitors 1 bird · 17 nectaring
Open records of who else uses Blue Leadwood — a generalist food-web signal, kept separate from the keystone Ecological Value.
Recorded eaten by 1 bird species (fruit, seed, browse):
17 adult butterfly & moth species are recorded nectaring at its flowers — the most-recorded:
Related plants
More Ceratostigma →
How we know this (2) Methods & honest limits
A recorded categorical fact: each species is tagged C3 (standard), C4 (heat/water-efficient) or CAM (succulent, night-time CO₂ uptake) — or a facultative combination. We only show a trait card for the noteworthy C4/CAM cases; C3 is the unremarkable majority, kept in the data but not surfaced as a card.
McKenzie et al. assigned each species a flower colour with a GPT-4V vision model over iNaturalist photos. We use the confident tier plus a separately-labelled lower-confidence top-up (mostly inconspicuous green/brown flowers), and render it as a small tint — never as an asserted fact, and kept out of the written synopsis.
Honest limits: AI image inference (~87% expert agreement on the confident tier); a decorative, confidence-tiered indicator, not a measured trait.
Sources for this entry (17) Open & cited
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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