Polemoniaceae

Royal Jacob's-ladder

Polemonium carneum A.Gray

Family: Polemoniaceae
Genus: Polemonium

Pet and kid safety: not checked yet. Check pet-safe plants

Royal Jacob's-ladder (Polemonium carneum) — FlowerPhoto: Steve Matson, CC BY 4.0, from iNaturalist

Is yours looking unwell? Scan your plant — free

Common names

By language (3)

Chinese: 鹅黄花荵
English: Royal Jacob's-ladder
Icelandic: Aronsstigi

Synonyms

Polemonium amoenum Piper
Polemonium carneum f. amoenum (Piper) G.N.Jones
Polemonium carneum f. luteum (A.Gray) Wherry
Polemonium carneum subsp. amoenum (Piper) Brand
Polemonium carneum subsp. carneum
Polemonium carneum subsp. genuinum Brand
Polemonium carneum subsp. luteum Brand
Polemonium carneum var. luteum A.Gray

Flowers

In flower: May to July (from 146 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb, Subshrub
Lifespan: Perennial
In the US and Canada: Lower 48 states: native

Photos

FlowerPhoto: Steve Matson, CC BY 4.0, from iNaturalist
FlowerPhoto: Michael O'Loughlin, CC BY 4.0, from iNaturalist
FlowerPhoto: Judi Sanders, CC BY 4.0, from iNaturalist
FlowerPhoto: Alan Rockefeller, CC BY 4.0, from iNaturalist
Photo: Ulf Eliasson, CC BY 2.5, from Wikimedia Commons
Photo: Tom Erler, CC0, from iNaturalist
Photo: Kurt Stüber [1], CC BY-SA 3.0, from Wikimedia Commons
Photo: Daniel Kennedy, CC BY 4.0, from iNaturalist
Photo: Ghislain118, CC BY-SA 3.0, from Wikimedia Commons
Photo: Diego Blanco, CC0, from iNaturalist
Photo: Ghislain118, CC BY-SA 3.0, from Wikimedia Commons
Photo: Adamschneider, CC BY-SA 4.0, from Wikimedia Commons

More in Polemonium

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.