For many Utah gardeners, starting vegetable seeds indoors offers both an exciting opportunity to experiment with new varieties and a practical necessity for ensuring the successful growth and production of certain crops in their unique environmental conditions. Vegetable gardening involves inherent risks, particularly for the plants, with weather being a significant and largely uncontrollable factor. Because of this, many gardeners are unsure about when to start certain crops and whether the crops should be started indoors or sown directly in the garden. This fact sheet, the first in a series of four, discusses planning considerations when starting seeds indoors.
This second of four fact sheets in this series explores materials needed to start seeds indoors—specifically, seeds, containers, soilless mix (potting soil), lights, water, fertilizer, a heat source, fans, labels, and a general growing space. Our focus is mainly starting vegetables. However, the principles discussed apply to starting herbs and other ornamental annuals and perennials. Online propagation protocols, books on plant propagation, and other Utah State University (USU) Extension resources discuss how to start other unique and less common plants.
This third fact sheet in this series of four guides you through the actual process of starting seeds indoors. The materials you choose may not precisely match those mentioned here. However, the variables and processes discussed are still applicable.
The period between seedling emergence and planting outdoors for the growing season is a time of rapid plant growth and development and is critical to long-term production success. In this last fact sheet in this series, we cover the main topics crucial to growing seedlings into quality, usable plants for outdoor production, including air circulation, temperature, light, water, fertilizer, indoor transplanting, hardening off, and transplanting outside.
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