Spring is in the air, and it’s time to get those green thumbs working. Do you feel like you’re missing out because you don’t have an elaborate seed-starting setup or a fancy greenhouse? Fear not! You can kickstart your spring garden with something as simple as a milk jug.
What You’ll Need:
– An empty, clean gallon milk jug
– A sharp knife or scissors
– Potting soil
– Seeds of your choice
– Duct tape
– A permanent marker
Step-by-Step Guide:
1️⃣ Prepare Your Jug
Start by cleaning your milk jug thoroughly with water and let it dry. Once dry, take a sharp knife or scissors and cut around the jug about 3-4 inches from the bottom, but leave a small section uncut to act as a hinge.
2️⃣ Make Drainage Holes
Flip the jug over and use your scissors or knife to poke several small drainage holes in the bottom. This helps to prevent waterlogged soil.
3️⃣ Fill with Seed-starter Mix & Moisten
Fill the bottom 2” of your jug with high-quality seed-staring soil and moisten it—not soupy! I mix my own but you can also purchase. You don’t need to fill it to the brim; leaving some space will make it easier to water your seeds later.
4️⃣ Plant Your Seeds
Now, the exciting part! Plant your seeds according to the packet instructions. Some seeds might need to be just pressed into the soil, while others may require being buried a little deeper. Make sure you follow the specific requirements for the seeds you’ve chosen. Depth is more important than distance apart. You are going to move these babies soon anyway!
5️⃣ Label
Use the permanent marker to label the outside of the jug with the name of the plant and the date you sowed the seeds.
6️⃣ Close and Tape
Close the top half of the jug back over the bottom and secure it with duct tape. This creates your mini-greenhouse environment, trapping moisture and warmth to help your seeds germinate faster.
7️⃣ Place in a Sunny Spot
Place your milk jug greenhouse outside in a spot where it will get plenty of sunlight. The jug will collect heat during the day and retain it at night, creating an ideal growing environment.
GROW BABIES GROW!
In a few days to weeks, depending on the seeds you’ve planted, you should start seeing signs of life. Once your seedlings are strong enough and the outside temperatures are consistently warm, you can transplant them to their final growing spots.
Starting seeds doesn’t have to break the bank or require a lot of space. This little greenhouse project is a testament to the power of recycling and creativity. So, before you throw out that milk jug, consider giving it a second life as the starting point of your spring garden. Happy planting, and here’s to a season of bountiful growth and greenery!
While you’re here, take a look at What I’ve Learned in My First Two Months with a Greenhouse and Snail Roll Seed Starting: How to Start Seeds Early Without Trays.
Transplant day: moving seedlings into the garden
When the seedlings in our milk jug greenhouses are big enough, they move to the raised beds. Here is how transplant day goes for us.
- Harden them off first. We leave the greenhouse openings open for about a week so the plants get used to outdoor light, wind and temperatures.
- Separate gently. Keep as much of the root ball intact as you can.
- Plant tomatoes deep. We set tomatoes so only the top of the plant shows above the soil. Cucumbers go in at the same level they were growing in the jug.
- Water them in gently so the plants settle without being knocked over.
- Watch the nights. In early spring, keep an eye on the forecast and cover the plants if temperatures drop.
Some transplant days run past dark. More than once we have finished planting by string lights.
Planning your vegetable garden? Our Growing Vegetables guide brings all of our crop, heirloom, soil and seed starting posts together, and Garden by the Season shows what to do and when.
Written by
Lane and Jules Morris
Authors and University of Tennessee faculty writing from our farm in East Tennessee about gardening, the farm kitchen, faith and designing a flourishing life at any age. More about us
