2010
Polemonium boreale
"Heavenly Habit"
Flowering period: June - August

Height 25 - 50 cm
Spread: 25 - 50 cm
Habit: Climbing
Flower type: Spiked
Leaf Color Dark
Placement: Partial shade
Water Average
Fertilizer need: Average
Plant type: Perennial


Class Best seller 2010

POLEMONIUM boreale 'Heavenly Habit'
Jacob's Ladder, Greek Valerian, Charity

Family: Polemoniaceae
Origin: Northern Hemisphere
Special Features: Compact growing habit, glossy leaves and larger flowers
History: Introduced by JELITTO STAUDENSAMEN GMBH in 1999
Colour: Erect panicles hold larger blue flowers, each with a center consisting of a yellow eye with a white center
Natural Flowering Period: June - August
Winter Hardiness: Z3-8
Growth Habit: Clumping
Foliage: Stems, somearial,helvetica bi-pinnate, with up to 20 oval to oblong, glossy leaflets
Height with Flower: 30 cm (12'')
Spacing between Plants: 45 cm (18'')
Soil Requirement: Well drained soils, pH 5.8 - 6.8
Location: Partial shade
Use: Plant together with Platycodon 'Hakone White', Veronica longifolia 'Pink Shades' and Tanacetum 'Jackpot'
Specialities: Outstanding combination of flowers and foliage; Easy-to-grow from seed

Cultural Tips:
Grams per 1000 seeds: 1,149
Seed Requirement: 3 g / 1000 plants
Best Sowing Date: Anytime
Way of Germination: Fast Germinator
Germination: Rapidly germinating, keep seed in constant moisture (not wet) with temperatures of about +20°C (68°F). The seed must be covered thinly. Keep in cooler conditions after germination occurs. The germination might be slower and more irregular. This poses no problems.
Germination to Transplant: 4 - 8 weeks
Transplanting to Salable Plant: 6 - 10 weeks
Fertilization: Medium

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