Hubbard squash are of the hard shelled or winter squash variety.  It is the largest of the Winter squash, sometimes weighing in at up to 35 -50 lbs. It  is very productive and stores well throughout the winter and into spring. Enjoy its fine grained, dark orange flesh steamed or baked.  When purchasing Hubbard squash, look for Hubbard that are large, round with tapered ends, ranging in color from gray-blue to brilliant orange between one and three foot long squash that are heavy for their size.  The skin is bumpy but the flesh is smooth with a mild squash flavor. The rind should be hard and smooth but not too hard to resist a thumbnail impression. There should be no bruises or soft spots. The flesh should be dark yellow to orange in color and is loaded with Vitamin A. The yield of 1 pound of squash raw is three 4 ounce portions. T

Hubbard squash should be stored in cool dry areas of the storeroom, 42 to 48 degrees F. best with 70 to 75% humidity. Summer Hubbard squash can be safely  stored for 2 to 3 months and winter Hubbard squash can be stored up to 6 months without any loss of quality. Avoid Hubbard squash that are soft or have bruises or mold.

Here is a list of Hubbard squash recipes and other squash information"

http://www.neosoft.com/recipes/vegetables/hubbard-squash.html

http://www.pallensmith.com/features/recipes/wintersquash.htm