Polemonium Blue Pearl


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Polemonium is commonly known as Jacob’s Ladder. They are an excellent fast-growing perennial, they will grow to between 30-40cm in height. Blue Pearl has stunning bell-shaped blue flowers and flowers from late May throughout the summer. The leaves have the appearance of ladder rungs, hence the name Jacob’s Ladder. Grow in any fertile, moist but well-drained soil preferably in full sun or partial shade. Polemonium requires little maintenance and can be cut back after they have first flowered to encourage new flowers.

Sow indoors or under glass in autumn or spring. Surface sow onto moist, well-drained seed compost. Just cover the seed with a sprinkling of vermiculite. Ideal temp. 15-18°C. Allow the temperature to fall slightly at night. Germination takes 20-25 days approx. If temps. rise too high germination may fail. Transplant seedlings when large enough to handle to 8cm pots and grow on in the light shade. Overwinter under glass for the first year. Acclimatize and plant out the following year after the danger of frost has passed.

Additional information


0.10gr / approx 120 seeds


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