Seed-Starting Equipment and Supplies

Find out what you need to get started.

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find out what you need to get started starting your own seedsGardeners seem to fall into two different camps when it comes to seed-starting equipment. Some take a freewheeling approach, swearing by homemade setups that involve yogurt cups, shop lights, and old ironing boards. Others are more methodical and will use nothing less than highly sophisticated grow lights, heating cables, and special propagation units purchased from catalogs or garden centers.

You may find that the best approach is a combination of the two. While it’s true you don’t need a lot of fancy equipment to start your own seeds indoors, having at least a few gadgets designed specifically for starting seeds can make the process easier and more fun.

Containers

You can start seeds in almost any kind of container that will hold 1 to 2 inches of starting medium without becoming waterlogged. After seedlings form more roots and develop leaves, though, they grow best in larger individual containers that provide more space for root growth and have holes for drainage.

Flats are large, rectangular containers that hold many seedlings. Many gardeners start their seeds in them, then transplant the seedlings to individual containers after the first true leaves unfold. If you raise lots of seedlings, it’s useful to have interchangeable standard-size flats and inserts. You can buy flats at a garden center, or make your own by constructing a rectangular wooden frame, 3 to 4 inches deep. Nail slats across the bottom, leaving â…› to ¼ inch between them for drainage.

Although individual containers dry out faster than flats, they are better for starting seeds because you don’t have to repot as often, so the seedlings’ tender roots are less likely to be damaged by constant handling. Some containers, such as peat pots, paper pots, and soil blocks, go right into the garden with the plant during transplanting so the plants’ roots are never disturbed.

If you choose to use homemade containers, such as old milk cartons, yogurt cups, or egg cartons, keep in mind that square or rectangular containers make better use of space and provide more area for roots than round ones do. Also, be sure to poke a drainage hole in the bottom of each container. Also keep in mind the harmful chemicals like BPA that can leech into your soil from plastic.

Or you could splurge: Spend a couple of bucks on containers that are designed for starting seeds. Most garden centers and many home and hardware stores carry cell packs, plastic trays that have individual 2-or 263-inch-deep pockets with drainage holes. (Leftover “six-pack” containers from the garden center will work fine, too.) These special-purpose packs range from 6 cells to 40 or more, and many include a clear plastic dome that helps maintain humidity until the seeds have sprouted.

Peat pots, made entirely of peat moss, are popular because you can plant them “pot” and all—you don’t have to worry about extracting the seedlings from the containers before you set them in the garden. Also, the peat absorbs excess moisture naturally, so seedlings are less susceptible to damping-off, a fungal disease that often occurs when soil is too soggy. But because peat pots do dry out faster than plastic containers, you’ll need to check their moisture level daily. Also, peat is not a sustainable resource, so the better option is paper pots.

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