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Sky pencil holly diseases7/25/2023 ![]() Whole Plant Traits: Plant Type: Shrub Woody Plant Leaf Characteristics: Broadleaf Evergreen Habit/Form: Columnar Dense Erect Multi-stemmed Growth Rate: Slow Maintenance: Medium Texture: Medium Appendage: Spines.Human ingestion of berries can cause minor toxic reaction. Play Value: Wildlife Food Source Particularly Resistant To (Insects/Diseases/Other Problems): Mildly resistant to damage by deer. Members of the genus Ilex support the following specialized bee: Colletes banksi. Attributes: Genus: Ilex Species: crenata Family: Aquifoliaceae Life Cycle: Woody Recommended Propagation Strategy: Seed Stem Cutting Country Or Region Of Origin: East Nepal to Temperate East Asia, Japan and Korea Fire Risk Rating: medium flammability Wildlife Value: The small fragrant flowers attract bees.Tags: #small tree #full sun tolerant #shrub #dark green #accent plant #mixed borders #columnar #easy to transplant #glossy leaves #formal garden #border planting #black fruits #urban conditions tolerant #clay soils tolerant #partial shade tolerant #stormwater demo garden orange co See this plant in the following landscape: Cultivars / Varieties: ![]() Alkaline soils will cause the leaves to yellow. Spider mites and nematodes are occasional pests. This plant needs protection from the wind and cold with a wind break and mulching. Sky Pencil Holly is an all-female cultivar which needs a male pollinator in order to produce fruit.ĭiseases, Insect Pests, and Other Plant Problems: It is pollinated by bees and is not self-fertile. The species is dioecious (meaning individual flowers are either male or female, but only one sex is to be found on any one plant, thus both male and female plants must be grown if seed is required). It does have a slow growth rate and it may not thrive in areas with high heat and humidity (USDA zones 8 and 9). However, it does not do well in alkaline soils or under drought conditions. Plant in the full sun to partial shade in acidic well-drained soil though it tolerates a wide range of soil types, from moist to dry, and actually prefers clay. ![]() Sky Pencil Holly is easy to transplant and urban tolerant. The Sky Pencil Holly was voted Holly of the Year for 2004 by the Holly Society of America. It is a good container or accent plant and works well in formal gardens as it provides a good vertical accent in mixed borders. It has a fastigate form, meaning narrowing toward the top and having upright, usually clustered, branches that it maintains without pruning. Sky Pencil Holly is a handsome evergreen shrub that is smaller that most of the species at 6 to 8 feet high, is densely branched, tight, and has columnar growth. ![]() The Sky Pencil Holly is a cultivar of Ilex Crenata, Japanese Holly, a native of Japan and east Asia that can be found in thickets, woods and wet places in lowland and mountains all over Japan. Add mulch, such as pine straw or aged bark, around the plants to prevent injury to the bark when mowing the lawn and to help keep the soil moist.Phonetic Spelling EYE-leks kre-NAH-tuh This plant has low severity poison characteristics. If your soil drains poorly, plant the holly in a raised bed. To prevent the disease, water "Sky Pencil" holly plants regularly. Disinfect the pruning tools by soaking them in a solution of 1 part household bleach to 9 parts water for 10 minutes or dip the tools in 70 percent alcohol and allow them to dry. To treat a "Sky Pencil" holly plant with Botryosphaeria canker, prune the affected twigs and burn the infected pieces, if possible. The tissues surrounding the canker can also become discolored and bark may fall off. Cankers also appear as sunken, cracked areas of brown or black discoloration on the twig bark. Early symptoms include yellowing and dropping of the leaves and dieback of the twigs. Healthy plants don't usually have problems with this disease. Botryosphaeria canker usually affects "Sky Pencil" holly and other Japanese holly cultivars that have been exposed to extremely low or high temperatures or have experienced extreme drought conditions.
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