There are very few insect pests to attack rhododendrons 
in Western Washington. The Rhododendron Lace-Bug, Rho- 
dodendron White Fly and Black Vine Weevil make their 
appearance at times. Of these insects the Black Vine Weevil 
is the most serious, the grubs feeding on the roots and finally 
girdling the stem just below the ground. The chewing of 
the roots and girdling of the stem is done in the spring, 
usually in April. We recommend the soil treatment at that 
time with Carco-X, one teaspoon to one quart of water. 
Another treatment should be given in September to conircl 
any stray insects or larvae that may be in the soil. It is quite 
hard to detect these insects under the ground. However, 
the adult beetles will chew the edges of the leaves and this 
should indicate their presence. A mixture of 1 to 250 will 
control Aphis and other such insects. 
We have found that Carco-X is the most economical 
spray obtainable and have had good results with it for a 
number of years. 
At Your Favorite Garden Store 
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FERTILIZATION: Rhododendrons are no diflerent than 
any other plants in regard to fertilization and cate. In the 
early years of our nursery we tried many different fertilizers, 
even at times mixing our own. For the past ten years we 
have been using Carstens Rhododendron Fertilizer exclu- 
sively with the best results. The fine foliage and good condi- 
tion of our plants show the results of the use of Carstens 
Rhododoendron Fertilizer. Carstens Rhododondron Fer- 
tilizer can be purchased at your favorite garden store in 
convenient packages. This is a product of Carstens Packing 
Company, manufacturers of the organic based NuLife Lawn 
and Garden Fertilizer and Carstens Rose Fertilizer. 
CARSTENS RHODODENDRON FERTILIZER 
4-8-8 
Price Each 
100. LB> PAPER: BAGS 325 eee $6.50 
25‘ LB’ PAPERLBAGS#2.2- ee 2.25 
5 LB. PAPER BAGS 23 ee 70 
At Your Favorite Garden Store 
