About
Polemonium caeruleum 'Sapphire' is a compact Jacob's ladder with the characteristic pinnate, ladder-like leaves and clusters of funnel-shaped, sapphire-blue flowers of the species. A popular and rewarding border perennial for a sunny, moist, well-drained position.
About the genus
Polemonium, Jacob's ladders, are annuals or herbaceous perennials with pinnate, ladder-like leaves and clusters of tubular, bell- or funnel-shaped flowers in blue, violet, pink or white from late spring to summer. Rewarding and reliable border plants.
Plant details
Suggested usesBedding, containers, hanging baskets.
Care notes
CultivationPlant after last frost in fertile soil.
PruningDeadhead regularly.
PropagationGrow from seed in spring.
Pest resistanceGenerally pest-free.
Disease resistanceGenerally disease-resistant.