Heirloom
An heirloom is generally considered to be a variety that has been passed down, through several generations of a family because of it's valued characteristics. Heirlooms can be four categories:
(Note: All heirloom varieties are open-pollinated but not all open-pollinated varieties are heirloom varieties.)
- Commercial Heirlooms: Open-pollinated varieties introduced before 1940, or tomato varieties more than 50 years in circulation.
- Family Heirlooms: Seeds that have been passed down for several generations through a family.
- Created Heirlooms: Crossing two known parents (either two heirlooms or an heirloom and a hybrid) and dehybridizing the resulting seeds for how ever many years/generations it takes to eliminate the undesirable characteristics and stabilize the desired characteristics, perhaps as many as 8 years or more.
- Mystery Heirlooms: Varieties that are a product of natural cross-pollination of other heirloom varieties.
(Note: All heirloom varieties are open-pollinated but not all open-pollinated varieties are heirloom varieties.)
The Importance of "Heirloom" Tomatoes.
In the past 40 years, we've lost many of our heirloom varieties, along with the many smaller family farms that supported heirlooms. The multitude of heirlooms that had adapted to survive well for hundreds of years were lost or replaced by fewer hybrid tomatoes, bred for their commercially attractive characteristics.
Remember they will not be pretty - they split when ripe, they crack, they are misshapen. Tomatoes have been bred to be picked green and shipped, handled roughly. We pick ours ripe and are gentle with them! Enjoy!
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