The temperatures given are, 

 in contact with the plant itself 



USEFUL TABLES AND FORMULAE. 651 



nearly as possible, those of the air 



Plants or Fruits. 



I % * 



s I £ 3 

 ■° 2 % o 



Plants or Fruits. 



Onions 



Orangesf 



Parsnips.. 



Peaches ... 



Pears 



Peas 



Plums 



Potatoes : 



Irish 



Sweet 



Prunes. 



Radishes 



Shrubs, roses, or 



trees 



Spinach 



Strawberries. . 



Tangerines 



Tomatoes 



Turnips 



Watermelons 



Wheat 



Walnuts, English 



26-30 



' '28 



Depends on variety, f Injured at 2° higher if continued foui 

 §Green. 



GARDEN CALENDAR. 



t Ripe. 



Upper Sections. — Virginia, North Carolina, North Georgia, North 

 Alabama, Tennessee. 



Middle Sections. — Lower South Carolina, South Georgia, Middle and 

 South Alabama, Mississippi. 



Southern Sections. — Southern Louisiana and Florida. 



January — Upper Sections. — Prepare hot-beds and cold frames and sow 

 seeds of Cauliflower, Cabbage, Beets, Lettuce, Onions, Radishes. 

 Prepare land for Potatoes. 



Middle Sections. — Land made ready for English Peas and Irish 

 Potatoes; later in the month sow Peas in open ground, also Rad- 

 ishes. 



Southern Sections. — Sow Carrots, Beets, Leeks, Mustard, early 

 Radishes, and Turnips. Sow in a frame Cabbage, Broccoli, Cauli- 

 flower, Endive, Kohl-rabi, Lettuce. Celery, Parsley, and Cress. 

 In the hot-bed sow Eggplants, Pepper, and Tomatoes for early 



