10 Fascinating Edible-Plant Facts Gardeners Need to Learn

From a definition of open-pollinated crops and details about grafting tomatoes to knowing which edible garden plants are warm- or cool-weather crops, these facts about plants double as gardening tips to help you grow even more, even better.

Grafted Tomato Plant
If growing tomatoes in stressful conditions, try a grafted plant, which will have a notch in its stem, as shown here, where the graft and rootstock meet.
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