THE 
GARDEN YARD 214 
weed, propagating itself indefinitely by means of 
its straggling, far-reaching, tuber-bearing roots. 
The only way to cure this damage is by thorough 
tillage, the first of which consists of fall plowing 
and the turning of pigs into the patch to root 
up the tubers. 
The artichoke is more prolific than the potato, 
and will yield all the way from 250 bushels 
to 1000 bushels per acre with only ordinary 
care. For eating, the best variety is the Im- 
proved White French. The Jerusalem arti- 
choke is not likely soon to supplant any other 
garden crop in this country, but it might well 
become a regular garden crop, as it will grow 
on land too poor for most other plants, requires 
little care, yields heavily, and is good food for 
man and stock. 
SEA-KALE. 
Sea-kale is one of the least known of the peren- 
nial garden crops, although where it is known 
it is well liked. It is a low, fleshy-stemmed 
plant whose shoots and young leaves are blanched 
and eaten as asparagus is. The plants may be 
grown from seed; in which case all but one main 
stem are to be cut off as soon as they appear; or 
it may be grown by division of roots. In either 
case, it is well not to cut from the plant until 
