Polemonium boreale Heavenly Habit (Northern Jacobs Ladder)
Polemonium boreale ‘Heavenly Habit’ (Northern Jacob’s Ladder) is a compact, clump-forming perennial forming a low, bushy mound of fern-like, glossy green leaves. In summer, it is smothered with a profusion of lightly-scented, violet-blue flowers borne atop upright stems.
Polemonium boreale 'Heavenly Habit' (Northern Jacob's Ladder) is a compact, clump-forming perennial forming a low, bushy mound of fern-like, glossy green leaves. In summer, it is smothered with a profusion of lightly-scented, violet-blue flowers borne atop upright stems. Blooming over a long season, the delicate starry flowers are adorned with a yellow halo and a white eye. The pinnately compound leaves retain their fresh green color throughout the season. Excellent for edging, rock gardens, or in woodland settings.
- Grows up to 10-12 in. tall (25-30 cm) and 12-18 in. wide (30-45 cm).
- Thrives in average, medium, well-drained soils in sun or part shade. Prefers fertile, moist soils. Best with protection from hot afternoon sun, particularly in warm summer areas. Intolerant of high heat and humidity.
- A lovely plant for beds and borders, cottage gardens, rock gardens and containers.
- Generally pest free. Keep an eye out for powdery mildews. Deer resistant.
- Clip back by half in midsummer to rejuvenate, if necessary.
- Propagate by division in spring.
Requirements
| Hardiness | 3 – 7 |
|---|---|
| Plant Type | Perennials |
| Plant Family | Polemonium – Jacob's Ladders |
| Exposure | Full Sun, Partial Sun |
| Season of Interest | Summer (Early,Mid,Late) |
| Height | 10" – 1' (25cm – 30cm) |
| Spread | 1' – 2' (30cm – 60cm) |
| Spacing | 12″ – 18″ (30cm – 45cm) |
| Water Needs | Average |
| Maintenance | Average |
| Soil Type | Clay, Loam, Sand |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Moist but Well-Drained |
| Characteristics | Fragrant, Showy |
| Tolerance | Deer |
| Attracts | Butterflies |
| Garden Uses | Beds and Borders, Edging, Patio and Containers |
| Garden Styles | Gravel and Rock Garden, Informal and Cottage |