Trees most likely to cause symptoms include birch (Betula), catawba (Catalba), cypress (Cupressus), elm (Ulmus), hickory/pecan (Carya), oak (Quercus), sycamore (Platanus) and walnut (Juglans), ...

More: Gardening: Benefits of indoor plants include improved air quality ... A related specimen is the London planetree (Platanus x acerifolia), a hybrid cross between the American sycamore and ...

Allergy-inducing plants are those that rely on wind rather ... elm (Ulmus), hickory/pecan (Carya), oak (Quercus), sycamore (Platanus) and walnut (Juglans), according to the Ogren Plant Allergy ...

Allergy-inducing plants are those that rely on wind rather ... elm (Ulmus), hickory/pecan (Carya), oak (Quercus), sycamore (Platanus) and walnut (Juglans), according to the Ogren Plant Allergy ...

Allergy-inducing plants are those that rely on wind rather ... elm (Ulmus), hickory/pecan (Carya), oak (Quercus), sycamore (Platanus) and walnut (Juglans), according to the Ogren Plant Allergy ...

She focused on the effects of platanus (plane tree) cough and thunderstorm asthma. The severe symptoms of 40 students at a comprehensive school in Wiesbaden, including shortness of breath ...

Just remove old flower stalks. However, pinch young plants to promote fuller, denser habit. • California sycamore (Platanus racemosa): As with other deciduous trees, prune in winter during dormancy.

Allergy-inducing plants are those that rely on wind rather ... elm (Ulmus), hickory/pecan (Carya), oak (Quercus), sycamore (Platanus) and walnut (Juglans), according to the Ogren Plant Allergy ...