ANNUAL VINES 61 
hardy perennial vines, like the ivy or wistaria, 
will attain. By annual vines, in this connection, 
is meant vines that endure outdoors but one year, 
and so must be started from seed each season. 
Some tender perennial vines (which may be 
hardy in the South, but which will not stand 
northern winters) are included under this heading 
because they give the best results in this latitude 
when treated as annuals. 
THE POPULAR MORNING GLORY 
The most popular of all annual vines is the 
morning glory (lpomea purpurea), because it 
requires little or no attention other than the 
sowing of the seed; and as the seed is both freely 
produced and hardy, the morning glory reseeds 
itself. Although this is advantageous in some 
cases, care needs to be taken to prevent the 
seed from falling among choicer, more delicate 
plants, which would quickly be smothered. 
The morning glories grow surprisingly under 
uncongenial conditions, but for best results they 
should have a sunny location, a deep, heavy soil, 
and an abundance of water. 
Seed can be sown out of doors about the middle 
of April, in which case the vines will start to 
flower toward the end of July. But if seeds 
