Imperial Iceberg No. 847 
Lettuce 
1 oz. to 2,500 plants; 3 lbs. per acre 
Days given represent time for growing marketable heads from date of sowing seed. 
Lettuce to be at its best should be grown rapidly, 
hence the soil should be made as rich and friable as pos- 
sible by liberal manuring and thorough preparation. For 
early crop sow in a seed-bed in September or October and 
protect through the winter with cold frames, which should 
be removed as soon as danger of severe freezing is past. 
Lettuce in the open ground will stand some freezing but 
is killed by prolonged frost or frequent freezing and 
thawing. The seed may also be sown in hotbeds in 
March, and the plants, if well hardened, may usually be 
set in the open ground in April, maturing a crop much 
earlier than complete open ground cultivation would pro- 
duce. If, however, it is not convenient to get the plants 
started either in the fall or early spring in hotbeds, the 
seed may be sown in open ground from the middle of 
April until July, selecting varieties suitable for the season. 
The plants should stand 8 to 16 inches apart in the 
rows according to variety and the rows should be about 
18 inches apart. Heading varieties particularly should 
be well spaced to afford plenty of air circulation which 
helps materially in preventing bolting to seed. 
Grand Rapids (43 days) U. S. No. 1. Tip Burn Re- 
sistant. Popular loose-leaf strain, 
very satisfactory for both market and home gardens. 
Imperial Iceberg Mo. 44 
Slobolt (45 days) An excellent high quality, crisp 
loose leaf variety developed by the U. S. 
Dept. of Agr. A Grand Rapids type, remaining in perfect 
edible condition for a long period. . 
Bibb (57 days) Finest quality home gardeners extra 
early head lettuce; forms small very dark green 
head. Must be grown to head very early in summer or 
very late as it readily bolts to seed in hot weather. 
- (65 days) Extremely early, compact, form- 
May King ing very firm heads of medium size and 
excellent quality. Color light yellowish-green, tinged 
with reddish-brown when mature. Inner leaves blanch 
rich golden-yellow, very tender and buttery. 
Loose leaf variety, seems to stand sun 
Salad Bowl very well, is fast and large grower, 
slow to bolt and of extreme high quality. Leaves are 
short and closely set hold their quality, tenderness and 
fine texture over a long period. Developed by Dr. Ross C. 
Thompson of the U. S. Dept. of Agriculture. 
PRICES 
Oz. %Lb. Lb. 
.20 $2.00 
35 3.00 
Big Boston . -20 2.00 
Cabbage Head -20 1.75 
Cos, or Romaine (White). 1.75 
Cos, Extra Dark Green... 2.00 
Grand Rapids 1.75 
Great Lakes 5.00 
7.50 
3.40 
3.40 
5.50 
3.00 
2.00 
3.50 
7.50 
7.60 
10.00 
4.00 
3.00 
1.75 
1.75 
Imperial No. 44 
Cornell No. 456 
Imperial Iceberg No. 847. 
Premier Great Lakes .... 
Progress (2428) . 
Salad Bowl 
Slobolt 
20 J. MANNS & CO., BALTIMORE 2, MD. . 
Superior Seeds 
