Polemonium 'Sissinghurst White'
| Feature | Description |
|---|---|
| Plant Name | Polemonium 'Sissinghurst White' |
| Common Name | Jacob's Ladder |
| Plant Type | Herbaceous perennial |
| Height | 18 to 24 inches (45 to 60 centimeters) |
| Spread | 12 to 18 inches (30 to 45 centimeters) |
| Foliage | Fern-like, pinnate, green leaves |
| Flower Colour | Pure white |
| Bloom Time | Late spring to early summer |
| Sun Exposure | Partial shade to full sun |
| Soil | Well-draining, moist soil; prefers rich, loamy soil |
| Watering | Regular, keep the soil consistently moist |
| Maintenance | Low, remove spent flowers to encourage new blooms |
| Uses | Borders, woodland gardens, cottage gardens, shaded areas |
| Notable Feature | Elegant white flowers, attractive foliage, good for shaded areas |
Planting Aspects
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Site Selection: Plant in partial shade to full sun in a location with well-draining, moist soil. Polemonium 'Sissinghurst White' performs best in dappled shade or morning sun with afternoon shade.
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Soil Preparation: Prepare the soil by adding organic matter to improve fertility and moisture retention. Rich, loamy soil is ideal.
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Planting Depth: Plant at the same depth as the nursery container.
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Spacing: Space plants about 12 to 18 inches apart to allow for proper air circulation and growth.
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Watering: Water regularly to keep the soil consistently moist, but not waterlogged. Mulch to retain soil moisture.
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Mulching: Apply a layer of organic mulch around the base of the plant to retain soil moisture and suppress weeds.
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Maintenance: Remove spent flowers to encourage new blooms and maintain a tidy appearance. Cut back the foliage in late autumn or early spring to encourage new growth.
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Fertilizing: Apply a balanced, slow-release fertilizer in spring to promote healthy growth and flowering.
Polemonium 'Sissinghurst White,' commonly known as Jacob's Ladder, is a charming herbaceous perennial noted for its pure white flowers and attractive, fern-like foliage. Blooming in late spring to early summer, it adds an elegant touch to borders, woodland gardens, cottage gardens, and shaded areas. With a height of 18 to 24 inches and a spread of 12 to 18 inches, 'Sissinghurst White' is an excellent choice for adding delicate beauty and structure to garden spaces. Its preference for partial shade makes it particularly valuable for brightening up darker garden areas.