'Briotii', 'Fort McNair', 'O'Neil's Red', 'Rosea' Rarely available, deep red flowers in foot-long panicles. Flowers reddish-pink with yellow throats. Dark rosy red flowers with yellow throats. hippocastanum See this plant in the following landscape: Cultivars / Varieties: In general, this tree has better disease resistance and its foliage is less apt to depreciate as the growing season progresses than is the case with A. Bagworms, Japanese beetles and borers are infrequent but potentially troublesome. Leaf blotch can be a significant problem. Dry conditions cause leaf scorch and, although it is more drought tolerant than most Aesculus, it does not thrive in drought conditions. Once established, this tree is difficult to transplant due to its large taproot.ĭiseases, Insects and Other Plant Problems:ĭisease is less of a problem than with most horse chestnuts but it may develop powdery mildew causing early leaf drop. Minimal pruning is required, but if it is pruned, make sure that the bark does not crack with sudden exposure to the sun. The tree grows best in moist acidic fertile soils, but will tolerate average soils with good drainage. Initially, the tree has a pyramidal shape, but after 5 to 7 years, it matures into a dense rounded form. However, in the right location such as a large residential lawn, park, city parkway, or large parking median with good drainage, it can be a striking specimen shade tree. After the flowers bloom, they are followed by the seed pods, which can be messy and may be a drawback of this tree in the landscape. The flowers of the Red Horse Chestnut (pink or red depending on cultivar) are the main attraction of this medium sized tree. Although this is a hybrid, new plants will come true from seed. The species name, carnea, means flesh colored or deep pink and refers to the color of the flowers. The genus name, Aesculus, comes from the Latin describing an oak that bears edible acorns. pavia and probably originated in Europe in 1812. See below DescriptionĪesculus x carnea, or Red Horsechestnut, is a deciduous shade tree in the Sapindaceae family (and was formerly listed in the Hippocastanaceae family). Phonetic Spelling ES-kew-lus BI KAR-nee-a This plant has medium severity poison characteristics.
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