Species
Jacob’s ladder
Polemonium caeruleum
Varieties
3 entries| Variety | Description | Prices (EUR) | Details |
|---|---|---|---|
| Blue PearlBSI-FL15357 | — |
| Details |
| White PearlBSI-FL93562 | — |
| Details |
| whiteBSI-H373210 | — |
| Details |
Polemonium caeruleum is a perennial in Polemoniaceae, native across Europe and temperate Asia.
Flowers and foliage
The divided leaves carry individual leaflets. BSBI distinguishes broader-leafleted garden forms from narrower-leafleted native forms, showing that foliage can vary within the species. This distinction complements the flower-colour names used in the seed assortment.
Pearl selection references
Blue Pearl and White Pearl are the named Pearl references in the bulk seed list.
At a glance
Species profile
Characteristics
- Life cycle
- Perennial
Botanical details
- Botanical name
- Polemonium caeruleum
- Common names
- Blue Jacob's Ladder; Charity; Greek valerian; Greek-valerian; Jacob's-ladder; blue Jacob's-ladder
- Synonyms
Show full list
- Polemonium caeruleum caeruleum; Polemonium caeruleum hidakanum; Polemonium caeruleum insulare; Polemonium caeruleum laxiflorum; Polemonium caeruleum vulgare; Polemonium coeruleum; Polemonium himalayense; Polemonium humile; Polemonium yezoense hidakanum
- Order
- Ericales
- Family
- Polemoniaceae
- Genus
- Polemonium
- Species
- Polemonium caeruleum