166 MANUAL OF GARDENING 
L% 
ip TN Sy Mec CN 
196. A pit or coldframe on permanent walls, and a 
useful adjunct to a garden. The rear cover is 
open (a). 
oN ee PM 7 
it is generally used 
for the protection 
of half-hardy plants 
that are grown in 
pots and tubs. It 
may be used, how- 
ever, for the pur- 
pose of forwarding 
pot-plants early in 
the spring and for 
the protection of 
peaches, grapes, 
oranges, or other fruits in tubs or boxes. If it is desired 
merely to protect the plants through the winter, it is best 
197. The usual form of coldframe. 
to have the structure on the north side of the building, in 
order that the sun may not force the plants into activity. 
Another structure that may be used both to carry half-hardy 
plants over winter and 
for starting plants early 
in spring is shown in Fig. 
196. It is really a mini- 
ature greenhouse without : 
heat. It is well adapted t 
for mild climates. The 198. A strong and durable frame. 
