8 
The Garden Magazine, March, 1920 
PREER’S 
1920 GARDEN BOOK 
A Complete Guide For The Gardener 
Answers all necessary questions about Vegetables and Flowers. 
More than two hundred cultural directions by famous experts. 
Lists and describes all the worthy novelties and selected strains of every 
vegetable, flower and plant worth growing. You will find photographic illus- 
trations of the new vegetables and flowers you will want to try out in your 
garden this year. 
DREER’S GARDEN ECOK for 1920 contains 224 big 
pages, 6 color plates featuring Choice Vegetables, Early- 
Colossal Cosmos, Mammoth Verbena, Los Angeles Rose and 
the new Rose Columbia, also hundreds of photographic illus- 
trations of the best in Vegetables and Flowers. 
Mailed free if you mention this publication. 
HENRY A. DREER 
714-716 Chestnut Street Philadelphia, Pa. 
Cehar £lcreg 
#labtolt 
“BULBS THAT BLOOM” 
Gladioli and Dahlias 
EXCLUSIVELY 
NEW BOOKLETS IN COLOR FREE 
Unusual Varieties 
Attractive Plantings 
Cultural Directions 
How to grow Prize Winning Flowers 
B. HAMMOND TRACY 
INCORPORATED 
Box 27 WENHAM, MASSACHUSETTS 
For the Real Profits — 
TT’S the vegetables sold long before out-door gardens 
materialize that bring the real profits — a greenhouse 
makes gardening really worth-while. 
And you can materially increase the usual returns by gar- 
dening with CALLAHAN SECTIONAL GREENHOUSES. 
The free catalogue tells how they take the cost out of 
greenhouse construction. Write for it TO-DA Y. 
Get Your Greenhouse Now 
Remember — Callahan Sectional factory — are made in desirable 
Greenhouses cost less — are easily sizes and can be enlarged. Re- 
and quickly erected — are com- member — They are designed and 
pletely finished in sections in our built right — permanent greenhouses. 
Duo-Glazed Sash for Hotbeds 
Callahan Duo-Glazed Sash Co. 
1347 Fourth St. Dayton, O. 
CALLAHAN 
SECTIONAL & CUT-TO- 
FIT GREENHOUSES 
