The Canadian Horiiciilturist. 



329 



8 p.m. — What kind of hedges are 

 best suited for hedge in Southern 

 Ontario ? Answer by Mr. A. McNeil, 

 Windsor, Ont. 



" Fruit Rooms and Storage of Fruit," 

 by T. T. Lyon, of Grand Haven, 



Michigan. Ouestions and discussion. 



Question Drawer opened. 



Closing addresses. 



Music and readings by local talent 

 will also be furnished to enliven this 

 session. 



QUESTION DRA\S^ER 



Treatment of Rhododendrons. 



81. What is the proper treatment and soil 

 for Rhododendrons ? — E, W. Taylor. 



Reply by S. Robertson, Sitpcriittcndent Government 

 Grounds, Ottawa. 



The main point is giving the root 

 a light porous soil. Leaf mould 

 in its lightest form is the best. 

 The top does not seem to suffer from 

 the heat of the sun, but the root does, 

 and must be kept as cool as possible 

 or no success can be met with. 

 Some growers advise sawdust, that 

 of the oak in preference to all others ; 

 this I have never tried, but the 

 evidence given proves that, with this, 

 more success was attained than with 

 any other substance used, even 

 pine sawdust. They are not hardy 

 out of doors, even with protection in 

 our climate, but the dwarf species, 

 known as greenhouse varieties, are 

 very beautiful, but require consider- 

 able space where they are grown, 

 which is often an objection to growing 

 them ; a rather cool temperature 

 suits them best. 



Remedy for Rose Thpip. 



82. Can you inform me in journal or other- 

 wise the name and cure for a small whitish 

 fly that flies in and out among roses and other 

 plants, eating the under surface of leaves, 

 specimen included ? The best cure I have 

 found consists in holding a piece of sticky 

 fly-paper under or near branches and giving 

 them a slight tap when many of the flies are 

 caught. They do not care for Paris green 

 or tobacco— E. \V. Taylor. 



This insect is properly known as 

 a Leaf Hopper, and belongs to the 



family Hemiptera, genus Cica- 

 dellina, and is of late years very 

 troublesome, indeed, both to rose 

 leaves and grape-vine leaves. The 

 remedy proposed by our corres- 

 pondent would be very slow. We 

 have used pyrethrum powder with 

 complete success, puffing up the dry 

 powder against the under side of the 

 leaves when they are a little damp 

 with dew. Perhaps a more econo- 

 mical plan would be to spraj- the 

 leaves with a solution in proportion 

 of two ounces of pyrethrum powder 

 to a gallon of water. 



Pear Trees for Sandy Soil. 



83. I was thinking of getting some pear 

 trees. Would you think it advisable to plant 

 m sandy soil, and what kind is best. An 

 answer will oblige.— John Clemens, Brant- 

 ford. 



The pear is more liable to blight 

 on sandy soil, and so far as we have 

 observed has less color, but most 

 kinds thrive very well in other re- 

 spects. We have grown the follow- 

 ing kinds on a sandy loam with good 

 success, viz.: — Tyson, Bartlett, 

 Howell, Beurre Brown, FJartlett, 

 Belle Lucrative, Howell, Sheldon, 

 Louise (dwf.). Duchess (dwf.), 

 Beurre d'Aujou and Lawrence. 



What Is It? 



84. I SEND you a natural curiosity by 

 sample post, that grew on one of my crab- 

 apple trees. Is it a pear, an apple, or a pair 

 of apples.?— W. H. Wylie, Carlton Place. 

 Ont. nth October 1SS9. 



