SNOWFLAKE (_Leucoium_). Culture same as for _Snowdrop_.
SODDING. In general, the best way to secure a lawn is by the sowing of seed (see _Lawn_), since it is the least expensive way. For small areas, and along the sides of walks and drives, sods may be used. The results are quicker. Unless the sod is of the right kind, however, and very carefully laid, the results are not so good as with seed.
[Illustration: Sod-cutter, for trimming sod edgings]
The sod which is best adapted to the Sodding of lawns is that which comes from an old, closely grazed pasture. Sod from a sheep pasture is supposed to be best. Such sod has been so closely grazed that it has made a very dense mat of roots, and all the weeds have been destroyed. The droppings of the animals also make the ground rich. The sod should be cut in very thin strips. It should not be more than an inch and one-half or two inches in thickness. If it is thicker than that, it is heavy and bulky to handle, and is not so easily laid. Ordinarily, the sod is cut in strips ten inches or a foot wide. A board is laid on the sod and the strip is cut along either side of it with a sod cutter or a sharp spade. Two men then roll up the sod. One stands on the strip of sod with his face toward the man who, with the spade, cuts it loose beneath. As it is cut loose, the man on the strip rolls the sod so that the upper surface is on the inside of the roll. Strips longer than ten or twelve feet make rolls which are too heavy to handle with ease.
The soil upon which the sod is to be placed should be very loose, so that the sod, can be pounded down firmly. Some heavy pounder should be used, as a block of wood. It is usually impossible to pound down sod with the back of a spade sufficiently firm unless the soil is very loose. The sod should be pounded until the top is about level with the surrounding soil. This insures contact with the soil beneath, so that there are no air spaces and no likelihood of drying out. Sod pounded down as firmly as this should grow very readily. If a sod edging is laid along walks and drives, it should be pounded down an inch or more lower than the surrounding loose land which is seeded, because the loose land will finally settle; otherwise the sod border is likely to be higher than adjacent land after a year or two.