This wine - producing region north of San Francisco , located in U.S. Department of Agriculture Plant Hardiness Zone 9 , has cool nights and footling humidity , and the February to November growing season is farseeing . Fruits that need winter chilling — a set number of hour below 45 degrees Fahrenheit — do well in Sonoma County , include many stone fruits , which have similar requirement as the grapes that blanket the county .
Apricot
Most varieties of apricot , which are a phallus of the Rosaeace kinsperson , thrive in Sonoma due to the long , hot summers , cool winters and limited rain , which may intervene with pollination . The Tree spring up to about 15 metrical unit , produce fragrant flowers before giving style to small , yellow , fuzzy - skinned fruit in recent saltation to summer . The yield is about the sizing and material body of an egg and has solid , fresh , yellow flesh and a small pit .
Apricot tree expect little sustenance as yield grows on quondam arm spurs . The Tree should be planted in full sunshine and get periodic soakings .
Persimmon
The American persimmon tree ( Diospyros virginiana ) is native to much of the easterly and southern United States but grow well in Sonoma . The trees , which do not need cross - pollination or chill prison term , can develop to 60 fundament . Since the persimmon tree can form brushwood of root suckers , it is more appropriate for a unfounded garden or a large property that is not formally landscaped .
Persimmon trees make a rotund , glossy yield that may have sensationalistic or orange cutis and sweet , juicy flesh . yield may be glean when it is soft , usually near the first frost .
Persimmon trees should be planted in full sun and require regular to restrained body of water . They are not finical about soil .
Plum
Several miscellanea of plums , including the damson ( Prunus insititia ) and green sess ( P. domestica italica ) , thrive in Sonoma , because the yield ripens best with less heat in the summer . The damson plum tree is quick to reap in late August to September and acquire a little yield with unruffled blue - fatal cutis and tart , green pulp . The green Mary Jane is an older variety that bring about a medium - sized fruit with legato , gullible - yellow skin and sweet , calorie-free yellow flesh . This variety is ready for harvesting in the middle of the time of year , usually in July to August .
In cosmopolitan , plum tree should be implant in full sunlight and need occasional deep sousing of the tooth root . The tree will tolerate bad filth but fly high in fertile , well - draining soils .
