From the page: The water jug still holds plenty of life
Idea 3
Germination greenhouse for seedlings
Cutting a transparent jug in half to protect seedlings is an old trick among home growers: the first weeks of a seed's life are the most fragile, and the humidity and warmth trapped inside the plastic create an ideal microclimate. It works because water evaporates, condenses on the walls and returns to the soil, keeping humidity stable and the temperature a few degrees above the surroundings.
What you need
- A transparent 5 L or 20 L water jug
- Craft knife or strong scissors
- Seeds and substrate (soil mixed with organic compost)
- A tray or shallow pot to support the whole set
How to make it
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1
Wash the jug well with water and let it dry, because any soap residue can hinder seed germination.
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2
Cut the jug in half, along its height, leaving a plastic "hinge" on one side to open and close like a little door.
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3
Fill the base with about 10 cm of moist substrate and spread the seeds at the depth indicated on the package (usually two to three times the size of the seed).
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4
Close the little door and place the set in a bright spot, but without strong direct sun, as the plastic can overheat and "cook" the seeds.
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5
Open the lid or the little door for a few minutes each day to renew the air and prevent mold, which loves overly stuffy environments.
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6
When the seedlings reach about 5 cm, start leaving it open longer each day so they get used to the outdoors before transplanting.
Finishing touches
Poke a few small holes in the bottom of the base so excess water can drain and the roots don't rot. With a 20 L jug you can germinate several species at the same time, separated by strips of soil.
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