Polemonium boreale 'San Juan Skies'
Also Known As
- San Juan Skies Jacob's Ladder
Plant type
perennial
size
- H: 1'-2'
- W: 1'-2'
planting zones
- 3a-9b
Polemonium boreale 'San Juan Skies' plant details
Polemonium boreale 'San Juan Skies' is a broadleaf deciduous perennial with green foliage. In spring and summer blue and purple flowers emerge. Attracts bees making it an excellent addition to pollinator gardens. Grows well with sun - dappled shade and regular water. Adapts to various soil conditions. Does well in alkaline, average, clay, gritty, rich and well-drained soil.
CHARACTERISTICS OF Polemonium boreale 'San Juan Skies'
- Plant type: perennial
- Plant family: polemoniaceae
- Foliage: deciduous green
- Mature size: 1 FT - 2 FT - wide, 1 FT - 2 FT - tall
- Flowers: blue and purple blooms in spring and summer
GROWING CONDITIONS for Polemonium boreale 'San Juan Skies'
- USDA Zones: 3a - 9b
- Sun exposure: sun - dappled shade
- Watering frequency: regular
- Resistant to: deer
- Soil needs: alkaline, average, clay, gritty, rich and well-drained
Nursery contributed plant descriptions
By: Forestfarm
Gardening facts about Polemonium boreale 'San Juan Skies' plant
How to Grow Polemonium boreale 'San Juan Skies'
Sun Exposure
- sun - dappled shade
Water Needs
- regular
Soil Needs
- clay
- alkaline
- adaptable
- average
- well-drained
- rich
- gritty
Features
Foliage Color
- green
Flower Color
- blue
- purple
Wildlife
- bees
- deer resistant
Flower Season
- summer
- spring
Foliage Season
- deciduous
Landscape groups by tags
See other plant types of Polemonium for your garden
aka Polemonium x 'Heaven Scent', Heaven Scent Jacob's Ladder, Heaven Scent Jacobs Ladder
Plant Type
Perennial
Zones
3a-7b
Size
Height: 18"-24"
Width: 1'
- sun - mostly shade
- even moisture - drought tolerant
aka Touch of Class Creeping Jacob's Ladder, Touch of Class Jacob's Ladder
Plant Type
Perennial
Zones
3a-9b
Size
Height: 10"-16"
Width: 16"-18"
- sun - mostly shade
- even moisture - regular
aka Snow and Sapphires Variegated Jacob's ladder
Plant Type
Perennial
Zones
3a-9b
Size
Height: 19"
Width: 16"
- mostly sun - mostly shade
- even moisture
Plant Type
Perennial
Zones
4a-10b
Size
Height: 15"-18"
Width: 18"
- sun - shade
- even moisture - regular
aka Polemonium yezoense 'Purple Rain Strain', Polemonium yezoense 'Purple Rain', Polemonium yezoense var. hidakanum 'Purple Rain', Purple Rain Strain Jacob's Ladder
Plant Type
Perennial
Zones
3a-8b
Size
Height: 12"-24"
Width: 12"-18"
- sun - mostly shade
- even moisture - regular
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