28 THE HOLLAND BULB GARDENS, INC. 

HOW TO PLANT 
FOLLOW THIS CHART 
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Also see Guide to Successful Bulb Planting, packed with bulbs. 
PLANTING OUT OF DOORS 
The cultivation of these bulbs is simplicity itself. Provided only that one 
starts with sound, firm bulbs — obtained from a thoroughly reliable source — 
failure is almost impossible. When planting out of doors, the soil is prepared 
as for other flowers, by being well dug and fertilized. Even in unfertilized 
soil the bulbs will usually give good flowers and for the best results it pays to 
be generous in the matter of fertilizing, using bonemeal. Each year some 
additional plant food can be given right after planting and again just after 
flowering. The purpose of the latter application is to develop good strong 
bulbs for next season’s bloom. Good drainage is essential — particularly for 
Tulips. The depth to plant is about five inches. Planting is best done in 
October — and in some parts very well possible during early November. As 
all of the so-called Dutch bulbs are perfectly hardy, protectioning against 
frost is not essential, but many gardeners provide for a Winter covering after 
the ground freezes hard to prevent premature growth in the Spring and thus 
lessen the chance of injury from late frost. 

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