No wonder this is also called Tower of Jewels or 'Pride of Tenerife! Exceptionally tall flower spikes packed with either rose or purple-blue flowers, interspersed with silver-green lanceolate leaves.
Sow 3mm (1/8in) deep in good seed sowing compost from late May-late July. Germination takes 7-14 days at 18-20C (65-70F).
When large enough to handle, transplant the seedlings to 7.5cm (3in) pots and over-winter in a cool greenhouse, conservatory or on a well lit windowsill with a temperature of around 7C (45F). Plant out the following spring 1m (3ft) apart, into a sunny
Although this species is proving to be quite cold hardy, its best to cover the base of the plants with a little bracken or similar over the winter. They can also be grown in 30cm (12in) pots to flower in a conservatory or cool greenhouse.
Flowering Period: Summer
Cropping: Plant Type: Half-hardy Perennial
25 seeds
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Imaginative marketing techniques have made Thompson & Morgan the industry's pace-setters and have helped keep the company dynamic and young at heart. The quality of the product is the cornerstone of the Thompson & Morgan's success, and quality control dominates every aspect of Thompson & Morgan's operations. All suppliers have to stipulate seed germination rates, regular checks are made by T&M's management of all contracted growers' crops and every consignment of seed is rigorously tested in the laboratory and trial grounds by the company's technicians. Finally, the seed is foil packed to retain pristine freshness before being inserted into the well-known and distinctive Thompson & Morgan packets. With every packet comes the company's guarantee as to its viability.
