Looking for the best vegetables to grow in a greenhouse? A greenhouse allows gardeners to extend the growing season, protect crops from unpredictable weather, and successfully grow heat-loving vegetables that may struggle outdoors—especially in cooler climates. From tomatoes and peppers to cucumbers and basil, choosing the right vegetables for greenhouse growing can dramatically improve yields and help ensure your crops reach maturity before frost.

Are old seeds still good? Learn how to test germination, store seeds long term, and know when to replace them for a successful northern garden.

Learn about seed cold stratification vs seed scarification. Seed stratification refers to exposing seeds to a period of cold temperatures.