FREEZING TEMPERATURES 



bulbs studied, tulips froze at 25.4°, and Paper White narcissus froze 



at close to 29°. 



Table 4. — Summary of average and extreme freezing points of different vegetables 



Kind and variety 



Artichoke: 



Globe-. 



Jerusalem, 



Asparagus 



Beans: 



Snap or green.-. - 



Snap, pods 



Lima 



Lima, pods 



Beet 



Brocoli, Italian 



Cabbage (early) Jersey Wake- 

 field 



Carrots I 



Cauliflower 



Celery 



Chayote 



Chicory, curled 



Corn, sweet, milk stage .. 



Cucumber 2 



Dandelion greens 



Eggplant 2 



Endive, curled 



Endive, Belgian, imported 



Escarole, broad-leaved endive,. 



Fennel, Florence 



Garlic 



Horseradish 



Kohlrabi- 



Leek 



Lettuce » 



Muskmelons, eating ripe: » 2 



Cantaloup, flesh 



Cantaloup, rind 



Honey Dew, flesh 



Honey Dew, rind 



Aver- 



Extremes 







age 



Mini- 



Maxi- 



°F 



mum 



mum 



°F. 



°F. 



29.1 



29.1 



29.1 



27.5 



27.2 



27.9 



29.8 



29.4 



30.1 



29.7 



29.6 



30.1 



30.2 



29.9 



30.4 



30.1 



29.8 



30.3 



30.8 



30.7 



31.0 



26.9 



26.7 



27.2 



29.2 



28.7 



29.4 



31.2 



31.1 



31.3 



29.6 



29.4 



29.7 



30.1 



29.9 



30.1 



29.7 



29.7 



30.0 



30.0 



29.7 



30.4 



30.7 



30.5 



31.0 



28.9 



28.6 



29.2 



30.5 



30.3 



30.6 



29.8 



29.5 



30.1 



30.4 



30.2 



30.7 



30.9 



30.5 



31.3 



30.7 



30.5 



30.9 



30.5 



30.0 



30.7 



29.0 



28.5 



29.7 



25.4 



24.6 



25.7 



26.4 

 30.0 



25.2 

 29.7 



27.6 

 30.2 



29.2 



28.5 



29.8 



31.2 



31.0 



31.4 



29.0 

 28.4 

 29.0 

 28.8 



28.4 

 28.0 

 28.7 

 28.3 



29.5 

 29.8 

 29.3 

 29.8 



Kind and variety 



Aver- 



Mushroom, cultivated 



Okra 



Onions, mild 



Onions, strong ' 



Onion sets, Yellow Strassburg. 



Parsnip—. -. 



Peas, green ' 



Peas, pods. 



Peppers, green 



Potatoes « 2 . 



Pumpkin, Connecticut Pie *-.. 



Radish, French Breakfast. 



Rhubarb 



Romaine 



Rutabaga, American Purple 

 Top 



Salsify. 



Spinach 



Squash: 2 



Summer (cymling) 



Winter, Hubbard— 



Italian, Cocazelle... 



Sugar beet- 



Sweetpotatoes J *~- 



Tomatoes, ripe 1 2 



Tomatoes, mature-green ' 2 3 -_. 



Turnips, Purple Top White 

 Globe 



Watermelon, flesh. 



Watermelon, rind._ 



Extremes 



°F. 



°F ! 



30.2 



29.9 



30.1 



30.0 



30.0 



29.7 



30.1 



29.7 



29.5 



29.0 



29.9 



28.4 



30.0 



29.7 



30.0 



29.9 



30.1 



29.9 



28.9 



28.8 



30.1 



30.0 



27.3 



26.9 



28.4 



27.5 



30.5 



30.1 



29.5 



28.4 



28.4 



28.1 



30.3 



30.2 



29.3 



29.1 



29.3 



28.9 



30.9 



30.5 



28.5 



28.1 



28.5 



28.1 



30.4 



30.2 



30.4 



30.2 



30.5 



30.2 



29. 2 



28.9 



28.8 



28.5 



°F. 

 30.4 

 30.2 

 30.1 

 30.3 

 29.9 

 29.3 

 30.2 

 30.4 

 30.3 

 29.0 

 30.3 

 27.9 

 29.3 

 30.8 



29.9 

 28.7 

 30.5 



29.6 

 29.5 

 31.3 

 29.2 



28.7 

 30.7 



31.1 

 29.4 

 29.0 



» See table 3 for freezing points of different varieties. 



*See footnote 1, table 1. 



3 This same group of varieties when vine ripened averaged 30.5° 



Table 5. 



Average freezing points of certain cut flowers, bulbs, corms, tubers, and 

 plants 





Aver- 

 age 



Extremes 



Kinds 



Aver- 

 age 



Extremes 



Kinds 



Mini- 

 mum 



Maxi- 

 mum 



Mini- 

 mum 



Maxi- 

 mum 



Cut flowers (petals): 



°F. 

 28.1 

 28.4 

 28.4 

 28.3 

 28.7 

 28.7 

 28.7 

 27.5 

 30.1 

 30.8 

 29.0 

 29.2 

 28.6 

 30.4 

 28.0 



28.3 

 26.8 

 28.7 



°F. 



28.0 



27.9 



28.0 



28.3 



28.7 



28.7 



28.5 



°F. 



28.2 



28.7 



28.7 



28.3 



28.7 



28.7 



29.0 



Bulbs, corms, and tubers— Con. 

 Lily, Calla 



°F. 

 27.5 

 27.1 



28.9 

 29.4 

 26.1 



25.4 



24.2 

 27.4 

 28.7 

 23.6 

 26.8 

 26.3 

 29.2 

 28.4 

 28.3 

 31.0 



°F. 

 27. 5 

 27.0 



28.2 

 29.1 

 25.8 

 24.9 



23.5 

 27.4 

 28.7 

 23.6 

 26.8 

 23.9 



°F. 



27.5 





27.8 



Chrysanthemum 



Narcissus, Paper White: 







29.3 



Gladiolus 





29.9 



Heath (heather) 



Narcissus, Sir Watkin 



Tulip. 



26.3 



Hyacinth 



25.4 



Lily, Easter _ 



Plants (leaves): 



Asparagus plumosus nanus. 





Narcissus, Sir Watkin 



Orchid (Cattleya) 



30.0 

 30.1 



30.9 

 31.1 



24.8 

 27.4 



Peony 



Chrysanthemum 



Fern. Oregon Dagger 



28.7 



Poinsettia . 



29.0 

 28.2 



29.5 

 28.9 



23.6 



Ranunculus 



26.8 



Rose.. - 



Holly, eastern grown 



27.0 



Tulip . 



27.7 



28.0 

 26.5 

 28.5 



28.2 



28.7 

 27.0 

 29.2 





Bulbs, corms, and tubers: 









Dahlia 









Gladiolus 



Sanserieria laurentia 



31.0 



31.0 



Hyacinth ... 









