Being allergy-sensitive doesn't mean you can't have a beautiful garden. Here are numerous candidates that people who are vulnerable to pollen can enjoy.
More in Outdoors
Author of Allergy-Free Gardening, Thomas Leo Ogren is also creator of the Ogren Plant Allergy Scale (OPALSTM), the first and only numerical plant-allergy ranking system. He rated species of plants on a scale of 1 to 10, with 10 being severely allergenic. According to his findings, "A few examples of trees with a rating of 1-3 are firs, cedars, and strawberry tree (Arbutus unedo), as well as the fruit trees like apricots, avocados, peaches, plums, nectarines, persimmon, pineapple, guava, but also almonds and flowering red leaf plums, bronze loquat, and flowering pears. Also the female trees of ash, Chinese fringe tree, Chinese pistache, junipers, some named maples, palms [pictured], podocarpus, poplars, sour gum or tupelo, and willows. Some of the worst trees are acacia, alder, beech, birch, buckeye, CA pepper, camphor, catalpa, Chinese evergreen elm, cypress, liquidambar, mimosa, oak, olive, pecan, sycamore, walnut, and zelkova."
We sent a note to our support staff about the glitch you just experienced. Please click the button below to reload your content.
How to Build a Retaining Wall (05:56)
A Sharp Edge (02:31)
Installing Hardwood Flooring (01:29)
Work and Play in Divided Space (00:03:46)
Step 3: Prep the Materials (02:16)
Tips for Preventing Mold (01:59)
Safety Speed Cut Panel Pro Saw (01:40)
Home Theater Hub (20:01)
Deck Water Features (00:52)
Cozy, Stylish Midcentury Bath (00:03:18)
Herbs and Sprouting Seeds 18 Photos
Stylish and Unique Headboard Ideas 9 Photos
© 2014 Scripps Networks, LLC. All Rights Reserved.