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|Sow the Echium wildpretii seeds about 6mm deep in 10 cm plastic pots, with well drained seed sowing mix. Keep the pots in a cool spot with direct sun, so that during the day the soil heats up to some 20øC to 25øC. At night temperature should fall to some 5øC to 10øC. Germination may be inhibited if the pots are kept constantly warm. Always keep the soil only slightly moist in order to prevent fungal infections of seedlings. Usually seeds will germinate rapidly within 2-4 weeks. However certain seeds may need several months to germinate properly, thus do not throw away pots with un-germinated seeds, but keep them always slightly moist in a sunny spot.
As soon as seedlings appear, keep pots in a sunny spot. Transplant the seedlings to 20cm (5L) pots as soon as the fifth pair of real leaves has appeared. Transplant the Echium wildpretii to a final pot size of some 10 L as soon as rosettes have gained some 30cm in diameter. Water plants regularly from beneath and never let the soil dry completely. Add some common all-purpose fertilizer in half the concentration as directed and feed plants once every week from May to end of September. Keep container plants frost-free in winter (from October through the end of April) at a minimum of some 10øC in a very sunny spot. Reduce watering, unless plants are grown under heated glass, when they will require more moisture. The plants are frost resistant down to -10øC or even less in winter. However in habitat temperatures rise significantly above +10øC or more at daytime.
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