12 
COI.ORADO Agriculturai, College 
Trimm,ed heads of cabbage are Copenhagen Market; Cauliflower is Snowball. 
These vegetables grow to perfection at high altitudes. Note Savoy Cabbage 
in center. 
Brussels Sprouts is a member of this group which is not culti- 
voted as much as it should be. They demand the same treatment 
as cabbage but require a longer time for development. One draw- 
back in growing Brussels Sprouts is the fact that the plants are 
attacke'd by plant lice which, if numerous, make the sprouts unfit 
for use. They may be controled by spraying with kerosene emul - 
sion when the insects first attack the plants. 
All the vegetables in this group may be started indoors about 
March 1st to 15th, though six weeks later is soon enough for late 
cabbage which is to be stored for winter use. Transplanting out„ 
doors should be done in May. Cabbage and related plants arc 
quite hardy and will endure considerable frost. 
Celery . — Celery of the highest quality may be grown under 
conditions such as prevail at Fort Lewis. Golden Self Blanching 
and Giant Pascal have both been grown with success. Seeds should 
be planted about April first and the plants set in the garden the 
middle or latter part of May. Golden Self Blanching is ready for 
use in September or earlier, and Giant Pascal is a good sort for 
winter storage. 
Lettuce . — Out on the plains, it is difficult to grow good Ici- 
tuce, except as an early spring crop and head lettuce sometimes 
