FILBERT PLANNING 
SERVICE 
— PLANTING and CULTURE of Filberts — 
DISTANCE APART TO PLANT 
On good soils, plant 20 to 25 feet apart. On poorer soil 16 to 18 feet. Either square 
or triangular planting is satisfactory. For windbreaks or hedge-rows, 6 to' 10 feet 
apart. 
To find number of plants required per acre, divide 43,560 by number of square feet 
each plant occupies. EXAMPLE: 20x20 square, 400 sq. ft. Dividing 43,560 by 400 
gives 109, which is number of trees per acre when each tree stands at corners of a 
square. Planted at three points of triangle, 20 feet on each side, takes 15% more trees. 
FOR GOOD CROPS 
Plant our original strain BARCELONA trees with proper pollenizers as indicated 
elsewhere. 
FOR GOOD GROWTH 
Plant carefully with root-crown not over 3 inches below surface. Leave basin for 
irrigating. 
FOR GOOD HEALTH 
Mix one-half to one pound BONE MEAL with soil that goes about the roots. Later 
Apply % to 1 x / 2 pound, according to size of tree, of Nitrate of Soda or Sulphate of 
Ammonia, in two applications. First, as buds are starting; second, 3 weeks later. 
liOe in or scatter over root area. 
FOR SAFETY 
Shade stem of your tree with YUCCA TREE PROTECTORS (see page 27 for prices) 
or by two thin boards, V fashion, southwest side. 
FOR GOOD CULTIVATION 
Irrigate in basin directly over roots the first two years and cultivate regularly. 
Plant early in spring as possible. Plant cover crops suitable to your location. (See 
your County Agent about same.) 
SOILS FOR FILBERTS 
They will grow in most any soil, shallow or deep, as they are shallow rooted. Best 
results are obtained on soils that are not heavily acid, but a slight acidity is not 
harmful. Use the TESKIT, a valuable outfit for testing soils for acidity or alkalin¬ 
ity. $2.00 POSTPAID. 
HOW THE FILBERT BLOOMS AND IS POLLINATED 
No variety of filbert is entirely self-pollenizing. 
That is, it will bear very few nuts unless fertilized 
with the pollen of another variety. The BARCE¬ 
LONA variety is no exception, it must be cross 
pollinated. There are several methods of accom¬ 
plishing this. It has been proven by scientific ex¬ 
periment at the Oregon Agricultural College Ex¬ 
periment Station that varieties which we indicate 
with a star (*) will pollinate the Barcelona. Ex 
perience has shown, however, that it is best not to 
depend on any one pollenizer. Owing to the peculiar 
blooming habits of the filbert, a known good pol¬ 
lenizer will fail one year and act favorably _ the 
next. This is particularly true in some districts 
Therefore we advise the planting of several pollin¬ 
ating varieties in every commercial planting. 
METHODS OF POLLENIZING 
(A) Plant solid to Barcelona. After third year top, 
graft one limb of each tree to Nottingham or White 
Aveline. Then put in grafts scattered through the 
planting of DuChilly, Daviana, White Aveline, Cos- 
ford, Gross Ronde; either several or all, to extent of 
ten assorted pollenizers per hundred of Barcelona. 
We will furnish grafting wood of these varieties. 
(B) Use 11% assorted pollenizers scattered through 
the planting as shown above, to every hundred 
Barcelona. Every third tree in every third row 
planted to a pollinator is 11%. This method cuts 
down the number of Barcelona trees per acre and 
yield will probably be less than by first plan. 
(C) Is a combination of the two methods above. 
[ 25 ] 
2 Year Barcelona in 
NURSERY. Arrows 
show the nuts. 
