Soil, site, irrigation, selection, pruning/thinning, and integrated pest management.
There are probably few plants that are more strongly identified with this area or are held in greater affection than the madrone tree.
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
The Rogue Valley growers were pioneers in pear production, growing over 24 varieties and setting quality standards in packing pears. The Rogue Valley was the first and largest red pear growing region in the Pacific Northwest in...