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True Green Improved Hubbard Squash Seed

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True Green Improved Hubbard Squash Seed (~103 days)

Cucurbita maxima

This squash was said to have been introduced in 1798.  It traveled from the West Indies or South America (no one is absolutely sure) and landed in Marblehead Massachusetts.  The seedsman, J.H. Gregory of Marblehead Massachusetts is said to have introduced this squash around the 1840s.  Fruits grow large, up to 15lbs, are of bronze-green color, flesh is golden yellow.  This vining squash has such a flavor that after over 150 years it is still around! 

Burpee's 1932 Seed Catalogs says...
"The large, olive-shaped fruits have a dark bronze-green skin.  The thick flesh is orange-yellow, fine grained, dry and sweet."

This is an excellent keeper.  Some have said they have stored this squash for over 6 months!

Need help cooking winter squash?  Try this book for only $3.95

Winter Squash refers to those in the genus maxima including: acorn squash, banana squash, buttercup, hubbard squash and turban squash.

Heirloom winter squash comes in shapes round and elongated, scalloped and pear-shaped with flesh that ranges from golden-yellow to brilliant orange. Most winter heirloom squashes are vine-type plants whose fruits are harvested when fully mature. They take longer to mature than summer squash (3 months or more) and are best harvested once the cool weather of fall sets in. Winter Squash can be stored for months in a cool basement-hence the name "winter" squash.


Seed Planting Depth

Seeds per ounce

Germination Temperature

Days to Germination

Row Spacing

Plant Spacing

100' Row Yield


1" 90-110 70-85 3-10 48" 24-36" 100 lb. Full

Planting Tips For Heirloom Winter Squash Seeds:

Heirloom winter squash don't mind the heat as much as their name implies.  Only plant once the soil temperature warms to at least 70 degrees and keep in mind that most heirloom varieties of winter squash take 110 days to mature.  So be sure to leave enough time to allow them to fully develop. 

Plant 3-6 heirloom squash seeds per hill.  Once they have shown true leaves and grown in size, you should thin out to the 3 strongest plants.  Remember, harvest these winter squash continually in order to keep the plant producing.

Seed Care tips for Heirloom Winter Squash:

Heirloom seeds are hardy, but always take care with your garden seeds to give them the appropriate amount of moisture - don't let the vegetable seeds dry out prematurely, and don't overwater and possibly have them rot.


1 Winter squash (a favorite for this recipe is Acorn squash)
1 Tablespoon butter
2 Tablespoons brown sugar
2 Teaspoons maple syrup
a pinch of salt
Preheat the oven to 400°F
Cut the squash in half and use a spoon to scoop out the seeds and strings from the center of each half of the squash.
Take a sharp knife and cut a few half inch deep X shapes into the inside of the squash flesh.  This should not be cutting chunks out, but simply scoring the flesh.
Place the squash cut side up onto a baking sheet.  It is helpful to fill the baking sheet about 1/4 inch deep with water to prevent the squash from burning or drying out.
For each half, rub with a tablespoon of butter, sprinkle with 1 tablespoon of sugar, one teaspoon of maple syrup, and 1 pinch of salt.
Cook for about an hour to an hour and fifteen minutes.  It will be done when the top is slightly browned and the flesh is soft.
When the halves are cool enough to handle, cut out the cooked flesh and serve.  
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Customer Reviews

  • Author: Kathy
    We grew this winter squash and just harvested 7 yesterday. Easy to grow but needs LOTS of space. One vine grew 22 feet and we got a beautiful squash from it. We grow our winter squash in a separate area far away from the main kitchen garden. Our 'Squash Patch' is along the fence near the road and all the winter squash do well there. I also suggest gently training the vines to grow in the direction you want - do this morning and evening before the tendrils have a chance to grasp onto something. The beauty of growing winter squash is that they keep for months and are a welcome addition to the menu in deep winter.

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