Newly planted inkberry hollies must be watered so that the soil stays evenly moist for the first season while they are becoming established. It has shallow roots, so a 2-3" layer of mulch is a good idea. ‘Gem Box’ This dwarf evergreen holly has a rounded habit that makes it well suited to container growing. Prefers rich, consistently moist, acidic soils in full sun. Black Root Rot: Black root rot is caused by the fungus Thielaviopsis basicola. Attracts Songbirds. Heller Holly is an evergreen shrub that grows up to 5' and is a dwarf form of Ilex crenata. Inkberry Holly has broad evergreen foliage. Holly is often listed as deer resistant, but some are more resistant than others. Watch Reply. It was done from UDC Testing lab. Thank you!!! The Compact Inkberry is a small shrub and a type of holly that grows wild all down the eastern side of North America. Root rots can also affect the inkberry holly, especially Phytophthora and Thielaviopsis black root rot. j. Bark color and texture Produces lots of dark blackish-purple berries in the Winter which are appreciated by birds. Male flowers grow in small clusters where leaves join the stems, female flowers are solitary. Symptoms of Inkberry Poisoning in Cats. Aphids attack new growth and scale insects are sometimes a problem, but both can either be removed by hand or with a quick blast of water. Shamrock Inkberry holly is one of the most popular of our native evergreen shrubs. It typically matures to 5-10’ tall, and can spread by root suckers to form colonies. Very small berries will appear only if another Ilex glabra is in the area. Inkberry holly is a slow-growing broadleaf evergreen shrub with a rounded-to-upright growth habit. Well cared-for inkberry plants within these zones rarely have many problems. Anthracnose appears as light tan to darker brown circular or irregular spots on the leaves. Diseases of Holly Bushes. Anthracnose appears as light tan to darker... Root Rots. Plant a border of Ilex Gem Box® for a stunning lower-growing evergreen native. It makes a wonderful evergreen hedge and usually requires very little pruning. The narrow foliage produces a much finer texture than that of many other hollies. To control, prune out diseased limbs and/or apply a fungicide containing thiophanate-methy or chlorothalonil until the disease is gone. From 595 quotes ranging from $200 - $500. Little care is needed to enjoy Strongbox inkberry holly in your landscape. Here is our soil testing page: https://extension.umd.edu/hgic/soils/soil-testingHolly-tone would be an appropriate fertilizer to use in the fall after the deciduous trees lose their leaves.cm. This is one of the symptoms of some of the diseases that affect inkberry, so if you suspect canker or root rot, test the pH of your soil first. About 2 weeks ago, I planted two inkberries and they don't seem to be doing well (many yellowing leaves falling off). It can tolerate all soil types and various moisture levels. Southern red mite adults are reddish brown and less than 1 / 50-inch long.Using sucking mouthparts, they feed on the undersides of leaves, where their fine webbing is often seen. No documentation has been made of inkberry holly poisoning being fatal to felines, but the damage caused to the gastrointestinal system poses great threat to the feline’s health. I have written in before re my frustration with these inkberries, which seem to have had problems since I've planted them 2 years ago. During the … This plant grows in U.S. Department of Agriculture plant hardiness zones 4 through 9. Those with spiny leaves tend to be left alone. The Shamrock Inkberry Holly will require a male inkberry to produce berries. Shamrock Inkberry Holly Care. It spreads through spores in moist weather, which you can see with your naked eye as pinprick-sized pink dots in the leaf spots. The cause of these and other root rots is overly moist soil. As with any holly, full sun and well drained soil is a good idea. Water needs are average. First, hollies may show browning foliage problems in February or so due to drying out in the winter wind and sun. ILEX / HOLLY – STRONGBOX® Inkberry Holly Ilex glabra 'ILEXFARROWTRACEY' (PW) Common Name: ILEX / HOLLY - STRONGBOX® Inkberry Holly Type: SHRUBS Zone 5-9 Height: 2-3' Spread: 2-3' Bloom: Non-flowering Sun Needs: Full/Part Sun Description: Proven Winners® Broadly rounded mound, evergreen foliage is green, insignificant white flowers. Shamrock Inkberry Holly Care. Full Shade. In late spring to early summer, it produces abundant small greenish-white flowers that are followed by a profusion of dark blue-black berries in fall. USDA Hardiness Zone: 4-9. a. Evergreen. Compact, rounded evergreen shrub with shiny olive green foliage. During droughts, spider mites can also appear. Water needs are average. Using bromocresol purple indicator, it is possible to see pH in the range of 5 to 6.8. This evergreen shrub tolerates and even thrives in continually wet soils where other plants fail. The female plant produces black berrylike drupes, and both male and female have dark green, evergreen foliage. With their bright red berries and glossy green leaves, holly bushes are a popular landscape plant in the United States. Ilex glabra, commonly called inkberry or gallberry, is a slow-growing, upright-rounded, stoloniferous, broadleaf evergreen shrub in the holly family. Holly bushes have relatively few life-threatening diseases. Nordic is a male variety that flowers but does not produce fruit but is needed for other Ilex glabra to produce the jet black berries. Growing Compact Inkberry Holly. It can be clipped into formal balls and hedges and it makes an easy-to-grow substitute for boxwood. It is dense, rigid, and compact with a spreading mound and has non-showy, greenish-white flowers in the spring and small black drupe in the fall on female plants. In spring, it produces inconspicuous small greenish-white flowers. With little effort, this dwarf inkberry holly makes a really nice low-growing hedge along sidewalks and driveways. Ilex Gem Box - Common name:Inkberry Holly - A perfect alternative to Boxwood, this ball-shaped treasure maintains its dense habit right to the ground – no bare legs! $250. One though, the inkberry holly (Ilex glabra), is native, evergreen and of the right size for garden making, yet it remains relatively uncommon. Females do need a male pollinator to produce the pea sized; jet black drupes which mature in early fall and will last through winter, providing a food source for local bird populations. Ilex glabra 'Shamrock' (Inkberry) is an evergreen, stoloniferous shrub of compact, rounded habit with a slender foliage of thick, spineless, dark green leaves. Thiophanate-methyl will help with Thielaviopsis root rot and etridiazole and metalaxyl with Phytophthora. z. Most every Inkberry Holly in Kentucky shows signs of infection, and they die a quick death. Female plants need a male pollinator in order to produce the berry-like drupes that are characteristic of the species and cultivars. Scientific Name: Ilex glabra. At first glance, it’s tough to tell the two evergreens apart—both have tiny, dark green leaves and a rounded shape. Southern Red Mite: Southern red mite (Oligonychus ilicis) is an important pest of hollies, especially I. crenata ‘Convexa’, a Japanese holly.Mites are not insects, but are more closely related to spiders. Plant a border of Ilex Gem Box® for a stunning lower-growing evergreen native. Those with spiny leaves tend to be left alone. The species form of inkberry is favored by native plant enthusiasts, but most landscape planting features one of the cultivars. Newly planted Ilex glabra shrubs would be very susceptible to this because their root systems are less extenisve; this holly in particular prefers ample moisture -- it is native to swamps. They have had what I believed to be a secondary fungus but was told there was no treatment for it. Avoid neutral to alkaline soils. Cankers. Plant in full sun to part sun. The important thing for you to provide them, however is water. Inkberry hollies not doing well. Requires a male inkberry for berry set. Selected for its compact habit and glistening, bright green new foliage, this dwarf female holly makes an excellent hedge or border plant. The old, diseased leaves will fall (and you could prune/shape them now if you like), and it would be good to rake up under the plants to lessen the presence of disease organisms in the future.Here is a page on them: http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=d553We suggest that you get a soil test done, and then you will know the pH and how to adjust it. Gardenality is a gardening-centric site made by gardeners for gardeners with tools that enhance any gardening for the expert to the weekend gardener. This fungus primarily affects the root system and reduces plant vigor. It typically reaches heights of 33 to 66 feet tall, has leaves that are green and glossy, light gray bark with a lumpy texture, and the female plants produce small red berries. Inkberry holly is a colony-forming, east coast native shrub for low, wet sites. Average Cost. Strongbox holly is a new and very nice replacement plant for both dwarf boxwood and Soft Touch holly. The plant withstands heavy pruning and can be used for topiary. Anthracnose is a problematic fungal disease that attacks inkberry when conditions are overly wet. Is a holly tone fertilizer like for azaleas appropriate? The dense twiggy habit displays an abundance of black berries through winter, accenting the evergreen foliage. Ornamentally insignificant green/white flowers bloom in spring. Inkberry shrubs work well massed or grouped for … Little care is needed to enjoy Strongbox inkberry holly in your landscape. Mature Size: Up to 4 feet tall. The branch supporting those leaves apparently dies. Ilex opaca, or Inkberry, is a variety of Holly that is native to the eastern and south-central portions of the United States. Feature Characteristics @ Attracts Pollinators. It grows well in warmer areas and wet soil, where boxwood often fails, and it has far fewer pests or diseases. The fruit is small, round, and bright red like holly berries, which is why it is also known as the American holly tree or bush. Essentially, with a renewal pruning you are starting over from scratch. This dwarf holly with a dense, twiggy habit makes an excellent hedge or border plant with an abundance of black berries in fall that persist through winter, accenting the glossy evergreen foliage. Ilex glabra Strongbox® (Inkberry) is an evergreen, stoloniferous shrub of compact, rounded habit with a lush foliage of thick, spineless, blue-green leaves. Inkberry (Ilex glabra), a type of holly bush, typically growing about 6 to 8 feet tall and 8 to 10 feet wide. Nordic Inkberry Holly Shrubs for Sale Online. Unfortunately, Phytophthora cinnamomi (a fungal infection) is showing up on Ilex glabra. This has occured with bushes in close proximity with one being diseased and the other 6 feet away with no problem. 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