Plant Encyclopedia
Everything about care, pruning, watering and winter hardiness of thousands of plants
Want to see this in your garden?
1 minute, no credit card
2 plants
PolemoniaceaeBoreal jacob's-ladder: complete guide
Polemonium boreale
Boreal jacob's-ladder (Polemonium boreale) is a hardy alpine plant from subarctic regions with striking blue flowers. This northern polemonium grows in polar regions from Alaska to Scandinavia and Russia.
12 min
Western Jacob's-ladder: complete guide
Polemonium occidentale
Full growing guide for Polemonium occidentale: site, soil, moisture, maintenance and companion plants for damp shade borders.
12 min