While difficult to plant and manage two host genera, mitigating disease and insect pressure by opting for biodiversity are two key benefits to your truffière. Monoculture is a well-documented problem in farming, especially for orchards. A little about biodiversity: planting a single species of tree is problematic and can facilitate the spreading of disease. We recommend considering this species for your plantings to increase biodiversity in your orchard. A deciduous species native to the Iberian Peninsula and the Pyrenees, it’s also more cold hardy than Q. This Oak is another ‘go-to’ species in European truffle orchards. We cannot exaggerate the quality of this host tree! If you are in zone 7 or colder, insist on this subspecies if you choose to grow Quercus ilex. ilex, we offer this highly productive truffle host to our northern customers cold consistently damages and kills Q. Due to the limitations of Quercus ilex ssp. ilex, and will perform far better in marginal climates. In its’ native range, it is found at higher elevations than Q. ilex, which is the typical species offered in the United States. However, it is much more cold hardy than Q. ilex rotundifolia is a relatively unknown tree in the United States. rotundifolia (Roundleaf Holly Oak)Ī subspecies of Holly Oak, Q. Surprisingly, it has been promoted and sold by our competition in areas where it simply cannot tolerate the cold temperatures. Cold hardiness is an issue with this species, as it will struggle in USDA zones 6 or colder significant damage occurs from the cold in Zone 7 in some years. ilex does remarkably well in the Southeastern United States. While it is happiest in Mediterranean climates, Q. Quercus ilex, an evergreen oak species, is the common host tree in Spain and other truffle-producing areas. USDA zones 5-8 are acceptable for this host tree. It is also extremely drought tolerant once established. This host thrives in hot summers and cold winters. avellana ‘Jefferson’ produces a multi-stem shrub with an upright, conical shape. This cultivar, released by Oregon State, is extremely resistant to Eastern Filbert Blight. USDA zones 5-7 are acceptable for this host tree.Ĭorylus avellana ‘Jefferson’ (European Hazel) colurna produces a single-stem tree with an upright, pyramidal shape. This species, native to Turkey and surrounding areas, is extremely resistant to Eastern Filbert Blight. Click here to get Project Learning Tree ideas to guide your discovery.Corylus colurna(Turkish Filbert or Turkish Hazel) Visit your tree often and learn everything you can about it. Celebrate a tree in your yard or neighborhood.Encourage youth in grades 5-12 to participate in the Arbor Day Student Photo Contest.You can celebrate Arbor Day in Idaho many ways: The Idaho Forest Products Commission loves Arbor Day because trees make our lives better! They help provide clean air and water, habitat for wildlife and hundreds of products that are recyclable and come from a renewable and sustainable source. Hayden, Spirit Lake, Rathdrum, Post Falls, Pinehurst, Harrison, Athol and Bookmobileĭownload instructions on how to plant your seedling Celebrate Arbor Day in other ways IDL Craig Mountain Forest Protective DistrictĬaribou County Soil Conservation Districtīutte Soil and Water Conservation District IDL Kootenai Valley Forest Protective District Since 1995, the Idaho Forest Products Commission has given away more than a half million seedlings! Get your FREE seedling Friday, April 28th at locations listed below! To celebrate, the IFPC is giving away thousands of seedlings at businesses and organizations throughout Idaho. Celebrate the miracle of Idaho’s working forests! Plant a free IFPC seedling this Arbor DayĪrbor Day is the last Friday in April.
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