Burpee Self Watering Seed Starting System: Foolproof Fast Germination for Strong Seedlings

The Burpee Self Watering Seed Starting System turns your kitchen counter into a seedling factory—no more guesswork about watering or uneven germination. 🌱 I've used it for three seasons now, and the difference in strong, even seedlings is night-and-day compared to my old tray-and-bottom-watering method.

Setup takes less than 15 minutes, and the built-in watering reservoir means you only need to check it once a week. No more leggy seedlings from inconsistent moisture or moldy trays from overwatering.

Even my black thumb can't mess this up—just fill the reservoir, pop in your seeds, and let the system do the work.

You'll see faster germination times (some seeds pop in half the usual time) and seedlings that stay sturdy through transplanting. Perfect for busy gardeners or anyone tired of weak, stretched-out starts that flop in the garden.

The system works for almost any seed—veggies, flowers, or herbs—but avoid tiny seeds like lettuce that need fine soil contact. Here's how to get your first batch growing right.

What you need

Step-by-Step instructions for using the Burpee self watering seed starting system

This system cuts germination time in half and delivers seedlings that stand strong from day one.

Unpack the Burpee system and separate the clear plastic tray from the removable cell inserts. The tray has a built-in water reservoir at the base, so you'll only need to fill it once every 7-10 days—no more daily watering guesswork. Place the tray on a stable, level surface where you can easily access the water reservoir.

Fill the reservoir with room-temperature water until it reaches the maximum fill line marked on the tray. The water will wick up through the system's capillary action, so don't overfill. You'll see the water level rise slowly in the cell inserts—wait until they're fully saturated (about 5-10 minutes) before adding seeds.

Fill each cell with the Burpee self-watering mix included in the system (or your preferred seed-starting mix) up to ½ inch below the rim. Press the mix gently but firmly to eliminate air pockets—this ensures even moisture distribution. The mix should feel like a damp sponge, not soggy or powdery.

Plant seeds according to the packet instructions, but remember: these cells hold moisture perfectly, so you can plant slightly deeper than usual without risk of rot. For most seeds, ¼ inch deep is ideal. I like to use the included seedling markers to label varieties directly in the cells—no more tangled pots later.

Once seeds are planted, cover the tray with the clear plastic lid that came with the system. This creates a greenhouse effect that speeds germination by 30-50%. Place the tray in a warm spot (ideally 70-75°F)—a sunny windowsill or under a heat mat works best. You'll see condensation form on the lid within hours, which is perfect for maintaining humidity.

Check the tray daily but resist the urge to open it—each time you lift the lid, you lose critical humidity. Instead, look for the first tiny sprouts through the clear plastic. Most seeds germinate in 3-7 days, but some may take up to 14 days. When 50% of seeds have sprouted, remove the lid completely to prevent damping-off disease.

The instant seedlings emerge, move the tray to a location with 12-14 hours of bright light daily. A south-facing window rarely provides enough intensity, so I use a grow light positioned 2-3 inches above the seedlings. Raise the light as they grow to maintain that distance—seedlings will stretch toward light if it's too far away.

Refill the reservoir when the water level drops below the minimum fill line. The system's design ensures seedlings get water only when they need it, preventing both underwatering and overwatering. You'll know moisture is perfect when the soil surface looks slightly damp but not wet—no more guessing if you've watered enough.

When seedlings develop their first true leaves (not the initial cotyledons), thin to one strong seedling per cell using clean scissors. Snip at soil level to avoid disturbing roots of remaining plants. The Burpee system's individual cells make thinning easier than traditional trays—no more crowded, weak seedlings.

Two weeks before transplanting, begin hardening off by placing the tray outside in a sheltered spot for 1 hour daily. Gradually increase exposure over 7-10 days