Tomatoes, cucumbers und herbs will grow easier in a greenhouse. But a greenhouse doesn't have to be very big. You can build a small version of a conservatory by yourself. And we are certain you will find room for this space-saving hothouse in your garden.
Fill the balloon with water . This image illustrates why you don't completely fill the balloon you should always leave some room in the neck of the balloon, then as the form dries the pressure has somewhere to go and your clay wont split.