Flowering for several weeks in late spring to early summer, a profusion of very fragrant, cup-shaped, 4-petaled, white flowers, 2 in. Noted for its excellent drought tolerance, Philadelphus microphyllus (Littleleaf Mock Orange) is a multi-stemmed, deciduous shrub with long arching stems clothed with tiny, almost boxwoodlike, medium-green leaves. I planted a mock orange bush 5 years ago and it has not bloomed at all. Leaves die and severe shoot death may occur. Caused by the fungus Nectria cinnabarina, the infection appears as cankers on mock orange plants; cankers are areas of infected, dead tissue, according to West Virginia University at Davis. Q. Mock orange has few insect or disease problems, but it can develop leaf spot and powdery mildew, especially when exposed to overly wet, humid conditions. Nectria twig blight is a fungal disease of mock orange trees. Mock-orange is an old-fashioned, back of the border, late spring to early summer flowering shrub with sweetly scented white flowers. Common name: Mock orange. Questions About Mock Orange Bushes. is a fragrant, white-flowering shrub native to Europe, Canada and the western and northwestern United states.Grown for its fragrant spring flowers, mockorange are used as specimen plants and in groupings for borders and screens. It has limited ornamental value in other seasons, but the double-flowering cultivars are bringing popularity back to this plant. Philadelphus lewisii (Wild Mock Orange) is a fountain-shaped, loosely branched, deciduous shrub with long arching stems clothed with oval, soft green leaves turning yellow in the fall. Name â Philadelphus Family â Hydrangeaceae Type â shrub. Mock orange shrubs are hardy in Zones 4-8. Single flower of âBlizzardâ mockorange (Philadelphus spp.) Height â 3 to 10 feet (1 to 3 m) Exposure â full sun, part sun Soil â ordinary. Adding compost to the soil will help improve most issues. Leaves turn brown and fall off. across (2.5 cm), are borne singly or in pairs. I was told to give it fertilizer, still didn't bloom. Mock orange bushes come in many varieties, ranging in height from 4-8 feet or more. Flowering for several weeks in late spring to early summer, a profusion of very fragrant, small, white flowers, 1 in. It lends an extremely fine and delicate texture to the landscape composition which can make it a great accent feature on this basis alone.This is a relatively low â¦ In early summer, philadelphus offer a blousy backdrop to roses and pretty herbaceous plantings with their foaming white flowers and heavy scent ... Aureusâ immediately after the flowers have faded to encourage a fresh crop of bright golden-yellow leaves â older leaves turn to green in summer. Oct 2, 2011 - Explore Cindy Duckett's board "Mock Orange", followed by 178 people on Pinterest. Dwarf Mock Orange Shrub - My mock orange shrub is dying from the center. Reddish growths may form on cankered areas. Dark green foliage makes an attractive background for pure white flowers. Asked by annrob22 on January 3, 2015. Growing Conditions for Mock Orange Shrubs. They enjoy areas with full sun to partial shade and moist, well-drained soil. Foliage â deciduous Flowering â May and June. Mock-orange is a very beautiful shrub that blooms abundantly in spring and at the beginning of summer.. Main Mock-orange facts. across (5 cm), are borne in clusters at the end of the stems. Aphids , leaf miners, and spider mites may also become a nuisance, but are rarely serious threats. Get involved. Variegated Mock Orange is a dense multi-stemmed evergreen shrub with a more or less rounded form. Mock orange is not poisonous by itself; if your pet develops symptoms it is usually due to a secondary disorder or misidentification of the plant, therefore, the symptoms would direct the testing. Q. See more ideas about mock orange, plants, orange.