Shade Trees for California 



81 



30 to 40 feet high when mature. Its 

 medium-sized, broadly oval, thin, light- 

 green leaves cast a rather dense shade. 

 It stands heat, drought, and alkali ex- 

 ceptionally well, and will give a quick 

 shade under conditions where most 

 trees would fail. The branches are 

 somewhat brittle and eventually are 

 subject to wind breakage in windy sit- 

 uations unless they are carefully pruned 

 back when necessary. 



This fruitless variety overcomes the 

 objection to falling fruits common to 

 most other mulberries. It is not recom- 

 mended for locations where other trees 

 of better types will do well, but it is un- 

 excelled for unfavorable places where 

 a quick, nonpermanent tree is needed. 



THE CANARY PINE is tall, slender, 

 and fast growing when it is young, but 

 ultimately becomes rather broad and 

 round-topped. It reaches 60 to 80 feet 

 in height, with long, grayish-green, 

 drooping foliage and rather slender 

 cones 4 to 8 inches long. The bark is 

 reddish brown and lightly fissured. It 

 is hardy in most of the region below an 

 elevation of 2,000 feet, and endures 

 temperatures down to about 10 F. It is 

 moderately long-lived. It casts a light- 

 to medium-dense shade. A handsome 

 tree, the canary pine is especially use- 

 ful for background and screen planting. 



THE COULTER PINE is a stout, thrifty, 

 roundly pyramidal native conifer with 

 rather long, stiff, dark-green needles 

 and fissured dark-brown to blackish 

 bark, Coulter pine is 50 to 80 feet high 

 when mature, moderately long-lived, 

 and hardy in nearly all parts of the 

 region. Its cones are large, decorative, 

 9 to 14 inches long, and composed of 

 stout, sharp-pointed scales. It is espe- 

 cially adapted as a specimen or back- 

 ground tree in hill or valley situations 

 where little or no supplementary mois- 

 ture can be supplied. Because the 

 heavy, prickly cones may fall after the 

 tree becomes older and offer a hazard, 

 it should not be planted where it will 

 overhang buildings or walks. 



802062 49 7 



THE LAWSON CYPRESS, a narrow 

 to broadly pyramidal tree, is native to 

 the coast of southwestern Oregon and 

 northern California. It reaches a height 

 of 75 to 100 feet in cultivation. Its 

 growth rate is moderate. The foliage is 

 bright green or bluish and hangs in 

 broad, flat, drooping, fernlike sprays. 

 Its shade is dense. It is hardy through- 

 out the region and is long-lived under 

 favorable conditions. It is an excellent 

 specimen or background tree for the 

 coastal districts and the cooler portions 

 of interior valleys and foothills where 

 alkali is absent. It needs additional 

 summer moisture, except in the coastal 

 belt which is subject to summer fogs. 



Nurserymen offer a number of hor- 

 ticultural forms of the species that dif- 

 fer from the parent type in color of 

 foliage and growth habit. 



THE CALIFORNIA INCENSE-CEDAR is 

 a native conifer, broadly pyramidal 

 when young if it is not crowded. It is 

 narrowly columnar to broadly and ir- 

 regularly pyramidal in later life. Its 

 mature height is 80 to 100 feet. The 

 tapering trunk is broad at the base, 

 with deeply ridged, reddish to cinna- 

 mon-brown, fibrous bark. The deep- 

 green foliage grows in pliant, flattish 

 sprays and casts shade of medium to 

 heavy density. Growth is moderately 

 rapid and the species is long-lived. It 

 is fairly free of pests. 



The California incense-cedar is 

 hardy anywhere in California and usu- 

 ally will succeed except on alkaline 

 soils. It requires supplemental mois- 

 ture during the summer in the drier 

 parts. It is excellent as a specimen tree 

 or for background planting. It will 

 also succeed as a roadside tree in mois- 

 ter localities if it is given enough room 

 to grow properly. 



THE DEODAR CEDAR is a graceful 

 tree, broadly pyramidal in form at the 

 base and narrowing to a thin spire at 

 the top in younger trees. It is irregular- 

 ly pyramidal and spreading when ma- 

 ture and 50 to 100 feet high. The lower 

 branches persist to old age. The foliage 



