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.
'Acoma' Crape Myrtle (Lagerstroemia indica 'Acoma') 1  The Acoma Crape Myrtle is known to have a long period of striking summer flower color, attractive fall foliage, and good drought-tolerance making it a favorite small tree for either formal or informal landscapes. 2  Height: 10 to 15 feet.  Spread: 6 to 10 feet.