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What makes cedar fever so difficult compared with other allergies is the number of allergens in the air. Cedar pollen counts can be in the 10,000 to 12,000 grains per cubic meter range on a bad ...
Austin's itchiest season is about to begin. Here's what you need to know to get through cedar fever.
A pollen count is a measurement of the number of pollen grains in a given volume of air. Pollen counts, and forecasts of pollen conditions, are routinely produced and reported to the public because high aerial pollen concentration is associated with increased rates of allergic reaction for those with conditions such as hay fever and asthma .
Ashe juniper pollen, along with that of the related Juniperus virginiana, can cause a severe allergic reaction. Consequently, what begins as a winter allergy may extend into spring, as the pollination of J. virginiana follows that of J. ashei. Colloquially, many Texans refer to the allergy as cedar fever.
Cedrus atlantica foliage and mature female cone Male cones beginning to shed pollen. Fully grown, Atlas cedar is a large coniferous evergreen tree, 30 to 35 m (98 to 115 ft) (rarely 40 m) tall, with a trunk diameter of 1.5 to 2 m (4.9 to 6.6 ft).
Pollen can accumulate on your skin and especially your hair. “You can collect almost a tree’s worth of pollen right on your own head if you have a lot of hair,” Reisacher says.
Ulmus crassifolia Nutt., the Texas cedar elm or simply cedar elm, is a deciduous tree native to south-central North America, mainly in southern and eastern Texas, southern Oklahoma, Arkansas, and Louisiana, with small populations in western Mississippi, southwest Tennessee, and north-central Florida; [2] it also occurs in northeastern Mexico.