Indoor Seed Starting
Using Jiffy Peat Pellet Greenhouses
As you continue to garden over the seasons, you’ll learn what works for you and what doesn’t — but that comes with exploring your options. Some gardeners prefer to start their seeds indoors using Jiffy peat pellet greenhouses because of their structural and design benefits, using peat to start your seeds has its perks and transplanting seedlings growing out of the expanded peat pellets is very convenient. In this article, we’ll be walking you through the steps of using any of the Jiffy peat pellet greenhouses, from their assembly all the way to put them to use.
2. Seeds. You will need the seeds you would like to start inside of the pellets (tomatoes, peppers, cosmos, and zinnias are favorites for seed starting!)
3. Water. Preferably lukewarm or warm. We recommend using the amount of water suggested on the instructions (back of packaging sleeve) BUT you can also eye-it and add or drain any water as you deem necessary. You want the pellets to be saturated but not soggy
2. Plant markers. (you’ll want to be sure to mark the rows or sections of the pellets in your tray so you can remember which seedling is which)
3. A fork. (this is only if you don’t want to get your fingers dirty when fluffing up the top layer of peat — you’ll learn more about this part further down!)
Now that we’ve got everything we need, let’s jump in!
STEP 2: Once your peat pellets have expanded, gently tear open their top netting with your fingers.
This step is easy peasy, just make sure you’re gentle about it. The netting should already be slightly open to you, which happens naturally as the pellet expands. Now it’s your turn to tear open that netting just a tiny bit more so you have enough room to work with when you’re on to sowing your seeds.
STEP 3: Gently fluff the top layer of peat in preparation for sowing your seeds.
STEP 4: Sow your seeds following the instructions on your seeds packets.
STEP 5: Place the clear plastic humidity dome on top of your greenhouse tray.
You’ve successfully expanded your peat pellets, you’ve drained any excess water, you’ve gently torn open the netting tops and fluffed your peat and now your seeds are sown! Well, one of your final steps is placing the clear plastic humidity dome on top of your watertight base tray.
This humidity dome is light and should fit very easily into place. It is not airtight and it is OK if you feel like air is getting into your greenhouse. Soon, you should see condensation working itself over the top and sides of the tray. This is from the warmth and moisture of your peat pellets!
NOTE: The dome should only stay on until you see the first leaves appearing, leaving it on longer can harm the seedling — they require air for circulation to grow strong. If some of your seeds sprout earlier than others, simply pop the dome open. Completely remove the dome once all seeds have sprouted. The trick to ensuring that the seeds inside of your greenhouse germinate is this: keeping your peat pellets and the inside of the greenhouse moist and warm.
Final Step: Make sure your greenhouse is labeled and then either place it on a seed germinating heat mat OR store your greenhouse in a warm location out of direct sunlight.
Like we discussed earlier, make sure your peat pellets or sections of your greenhouse are labeled so you can remember what is growing and where. Greenhouse domes aren’t very high and therefore you won’t be able to use most standard-sized plant labels right away. It’s easy to lay the plant markers over the pellets as well
As an alternative to this, some gardeners will use smaller paper plant markers OR you can tape your plant markers to the top of your greenhouse dome using scotch tape. Once your seeds begin to germinate (you see small sprouts appearing), you can pop open your greenhouse dome.
Once all of your seeds have germinated, you can completely remove your greenhouse dome and apply the plant markers where necessary. Place the dome back underneath your watertight tray for safe-keeping, until the next time you use it!
These trays and domes are fully reusable year after year just make sure to wash them before re-use them. Well then, you’re now basically an expert on assembling and using seed starting peat pellet greenhouses! The instructions and tips we discussed above are applicable to ALL Jiffy Seed Starting Peat Pellet Greenhouses so don’t be afraid to refer back here every time you’re putting one of these greenhouses to use.