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Tree Report. April 2023. HortScience | Bartlett Consulting <br />Merritt Property. Foothill Boulevard Holding Company. Page 5 <br /> <br /> <br />HortScience│Bartlett Consulting ● Divisions of The F.A. Bartlett Tree Expert Company <br /> <br />Condition of valley oaks varied <br />widely. Approximately 50% of <br />the trees (78) were in fair <br />condition. Another 38% were in <br />either good or excellent condition <br />while 20 trees were poor. The <br />most important factor affecting <br />tree condition was the recent <br />drought as evidenced by twig <br />dieback and thin canopies of <br />foliage (Photo 4). Other factors <br />included poor form and structure, <br />and leaning and bowed stems. <br /> <br /> <br /> <br />Photo 4. Health of valley oaks was variable due to <br />effects of the drought. Some trees had recovered <br />better than others. <br /> <br />Ninety (90) coast live oaks were present, approximately 24% of all trees assessed. <br />Coast live oaks were most likely to be found in groves than as individual specimens. <br />Trees varied from 6-inches to 36-inches in diameter. About half of all coast live oaks <br />were 10-inches or smaller and/or had more than one stem that originated near the <br />ground. Notable coast live oaks were #1533 (36-inches) and 1539 (28-inches). Both <br />were located on the west side of Foothill Road. <br /> <br />Condition of coast live oaks were <br />mostly fair (39 trees) and good (35). <br />Nine trees were in poor condition while <br />seven were excellent. Coast live oak <br />is more drought tolerant than valley <br />oak. The primary factors affecting tree <br />condition were overall form and <br />structure. <br /> <br />Photo 5. Coast live oak #1628 was <br />20-inches in diameter and in good <br />condition. <br /> <br /> <br /> <br />Fifty-four (54) English walnuts were assessed, ranging from 6-inches to 27-inches. <br />These trees were concentrated along the north side of the orchard area. They were <br />mature in development but declining due to lack of irrigation and routine maintenance <br />(Photo 6). Nineteen (19) trees were dead. Another 17 trees were in poor condition and <br />17 were fair. Factors affecting tree condition included wounds on the lower trunk and <br />branches, and dieback in the crown. In many cases, sprouts from the Calif. black walnut <br />rootstock had developed. <br /> <br />