UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 1082 



Washington, D. C. 



October 19, 1922 



THE PRODUCTION OF TULIP BULBS 



By 



DAVID GRIFFITHS, Horticulturist 

 Office of Horticultural and Pomological Investigations 



Bureau ©f Plant Industry 



CONTENTS 



The Tulip Bnib 2 



Preparation of the Soil for Tulips . 3 



I«ylng Out Lands for Planting . . 3 



Planting Tulips 4 



Treatment of the Beds after Planting 10 



Age of Flowering Bulbs 11 



BUndness 12 



Station of Size of Bulb to Size of 



Flower 12 



E!arly Maturity Affecting the Blossom- 

 ing Season 13 



Sale of Flowers 13 



Removing tbs Flowers 14 



Page 



When Tulips Are Hipe 15 



Digging Tulips 15 



Droppers 17 



The Bulb House 18 



Packing Tulips for Shipment ... 25 



Preparation of Stocks for Planting . 27 



Implements of Tulip-Bulb Production . 28 



The Duty of Labor 30 



Soils 33 



Enemies of Tulips 36 



Why Some Varieties Are Cheaper than 



Others 38 



Performance Records 39 



WASHINGTON 



GOViaEtNMENT PRINTING OFFICE 



1922 



