The “Miracle Plant Food’’ 
QB 
Ra-Pid-Gro 
A complete, quickly available, easily prepared plant food by merely 
adding one pound of RA-PID-GRO to 22 gallons of water 
WHAT IS A RA-PiID-GRO? 
RA-PID-GRO is a complete concentrated plant food formula. Easily made into an immediately 
effective liquid fertilizer by simply adding water. It will speed up growth of plants now in place 
and will assure more successful transplanting of new plants. 
HOW IS IT USED? 
RA-PID-GRO is so easily prepared for use. Just add water at the rate of 1 lb. of RA-PID-GRO to 22 
gallons of water. Allow to dissolve and it’s ready for use. Apply around each plant according to 
directions on the bag. For use on small numbers of plants mix at the rate of a teaspoonful to the 
quart of water. Also very valuable for use when transplanting. Dip plants in solution for 3 or 4. 
minutes, then set in place and water with remainder of liquid. Practically eliminates losses. 
WHAT WILL IT DO? 
RA-PID-GRO will work almost unbelievable miracles in promoting rapid and healthy growth on all 
types of plants. Use it on lawns, around shade trees, evergreens, shrubs, roses, perennials, veget- 
ables and house plants. Many times plants which have been given up for dead will respond to 
applications of RA-PID-GRO. All the vital plant food elements are present in this remarkable 
discovery and since it is applied in liquid form, are readily available to the roots of the plant. 
HOW DOES ITS COST COMPARE WITH OTHER FERTILIZERS? 
RA-PID-GRO is less expensive than other fertilizers. In the larger quantities it makes your fer- 
tilizer cost about 44 cent per pound as against a cost of about 3 cents per pound for average fer- 
tilizers. Remember, 1 pound of RA-PID-GRO makes 176 pounds of rich and complete plant food. 
KEEPS INDEFINITELY IF STORED INA DRY PLACE 
ALL PRICES ARE DELIVERED 
1 pound Ra-Pid-Gro (makes 22 gallons) ------------------------------- $1.25 
2 pounds Ra-Pid-Gro makes 44 gallons) -------------------------------- $2.35 
5 pounds Ra-Pid-Gro (makes 110 gallons) ----------------------------- $4.50 
10 pounds Ra-Pid-Gro (makes 220 gallons) --------------------------- $8.75 
25 pounds Ra-Pid-Gro (makes 550 gallons) -------------------------- $21.00 
WHY NOT SAVE MONEY? 
Why not show your neighbor your copy of Zilke’s Catalog. Include his order with yours, thus 
getting cheaper prices because of larger quantities. We guarantee satisfaction, see pages 3 and 4. 
By ordering from Zilke’s remember you are buying direct from the growers and not dealers or 
jobbers. 
FREE NURSERY STOCK 
If you will be so kind as to give us a few names of land owners that you think might be inter- 
ested in our catalog we will include a free gift with your order. If you have sent names before, 
please do not send the same names again, and please send names of people that you think are inter- 
ested in nursery stock. 
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