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Polemonium caeruleum var. lacteum (White Jacob's ladder)
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1 hour care
per year
per year
0.9m
Max height
Max height
0.4m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Polemonium caeruleum var. lacteum
Other names
White Jacob's ladder, Polemonium caeruleum var. album, Polemonium caeruleum 'Album', Polemonium caeruleum subsp. caeruleum f. album
Genus
Polemonium Polemonium
Species
P. caeruleum var. lacteum - P. caeruleum var. lacteum is a clump-forming perennial bearing pinnate, mid-green leaves with lance-shaped leaflets and, in early summer, erect, branched stems bearing small, lax clusters of white flowers.
Polemonium caeruleum var. lacteum is: Deciduous
Habit
Clump-forming, Erect flower stem
Flower
White in Summer
Foliage
Green in Spring; Green in Summer
How to care
Watch out for
Pests
Generally pest free.
Powdery mildew Powdery mildew
General care
Pruning
Cut back to the base in autumn.
Propagation methods
Division, Seed
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Where to grow
Polemonium caeruleum var. lacteum (White Jacob's ladder) will reach a height of 0.9m and a spread of 0.4m after 2-5 years.
Suggested uses
Beds and borders, Cottage/Informal, Rock, Wildflower, Wildlife, Woodland
Cultivation
Best planted in any fertile, moist but well-drained soil preferably in full sun or partial shade.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Polemonium caeruleum var. lacteum
Other names
White Jacob's ladder, Polemonium caeruleum var. album, Polemonium caeruleum 'Album', Polemonium caeruleum subsp. caeruleum f. album
Genus
Polemonium Polemonium
Species
P. caeruleum var. lacteum - P. caeruleum var. lacteum is a clump-forming perennial bearing pinnate, mid-green leaves with lance-shaped leaflets and, in early summer, erect, branched stems bearing small, lax clusters of white flowers.
Foliage
Deciduous
Habit
Clump-forming, Erect flower stem
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Colour
Flower
White in Summer
Foliage
Green in Spring; Green in Summer
How to care
Watch out for
Pests
Generally pest free.
Specific diseases
General care
Pruning
Cut back to the base in autumn.
Propagation methods
Division, Seed
Monthly care advice
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Where to grow
Polemonium caeruleum var. lacteum (White Jacob's ladder) will reach a height of 0.9m and a spread of 0.4m after 2-5 years.
Suggested uses
Beds and borders, Cottage/Informal, Rock, Wildflower, Wildlife, Woodland
Cultivation
Best planted in any fertile, moist but well-drained soil preferably in full sun or partial shade.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Partial Shade, Full Sun | Tell us... |
| Aspect: | South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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