Basic structure of dicotyledonous stem-Sunflower stem. Inner structure of dicotyledonous stem reveals epidermis, cortex and stele. Epidermis. Epidermis is protective in function and creates the outermost layer of the stem. Epidermis is a single layer of parenchymatous rectangular cells.
Culture. Plumbago is propagated from cuttings in the summer, but you can also grow it from seed. Plant plumbago in light, sandy, well-drained soils, spacing each shrub 36 to 60 inches apart to allow room to grow. If spaced properly, blue plumbago will naturally cascade in a fountain shape.
The meconopsis seeds should be sown in vermiculite. It should take about two to four weeks for blue poppy to germinate at 12 to 18 degrees Celsius. Once growing the seedlings should be watered from beneath. Once ready transplant the young Meconopsis plants at a spacing of 30 cm (small) to 75 to 90 cm (large) apart.This should be done following the last frost of spring.hen growing Meconopsis blue poppy plants in the garden it is very important to keep the soil moist in the summer. Once the growing period has finished, cut back Meconopsis plant to ground level (autumn).