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Royal Jacobs Ladder in the GardenTags plant encyclopedia

Polemonium Carneum

 

Royal Jacob's Ladder

Polemonium, or Jacob's-ladder, is native to NW United States. It has lance-shaped leaves and loose clusters of cup-shaped in shades of pink, purple or yellow

Contributed by @robllandaff

 
plant Features
  • Royal Jacobs Ladder likes partial shade

    Partial shade

  • Royal Jacobs Ladder likes occasional watering

    Occasional watering

  • Royal Jacobs Ladder is frost hardy: 23f (-5°c)

    Frost Hardy: 23F (-5°C)

  • Royal Jacobs Ladder likes moist and free draining

    Moist and free draining

 
plant information

Common name

Royal Jacob's Ladder

Latin name

Polemonium Carneum

type

Herbaceous Perennials

family

Polemoniaceae

ph

5.0 - 8.5 Acid - Neutral

  • Light

    Royal Jacobs Ladder likes partial shade

    Partial shade

  • Frost

    Royal Jacobs Ladder is frost hardy: 23f (-5°c)

    Frost Hardy: 23F (-5°C)

  • Soil

    Royal Jacobs Ladder likes moist and free draining

    Moist and free draining

  • Water

    Royal Jacobs Ladder likes occasional watering

    Occasional watering

Plant & bloom calendar

  •  
    Best time to plant
  •  
    When the plant will bloom

full grown dimensions

The size of a fully grown Royal Jacobs Ladder is 0.40meters x 0.60meters 0.40 M 0.60 M

Polemonium Carneum

Polemonium, or Jacob's-ladder, is native to NW United States. It has lance-shaped leaves and loose clusters of cup-shaped in shades of pink, purple or yellow


Flowering

From Mid Spring TO Late Summer

The plant produces cup-shaped, lavender-coloured or white flowers through Spring and Summer.

 

Propagating by division

From Early Spring TO Mid Spring

Using a fork dig up plant, try to keep the root ball as complete as possible. Split the root ball at the center with a sharp knife or a spade. Replant the plants to the same depth as the original and keep well watered until established.

 

Planting out

From Mid Spring TO Late Spring

Plant container plants into a part shady or shady site.

 
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