Watering your Crop

[Scythe13]

SP, I know it doesn't really answer your question, but if you add another waterbutt inside your greenhouse, it will act as a thermal mass heater throughout the night. As long as you can get your windows open in the day.

Personally, we have around 1500 litres in the garden, and we're putting in some major planters. So I'll be paying close attention to my water useage this year too mate.

If you can get the plants into the ground, you can usually enjoy the benefits of their deep roots finding water that way. Not loads, obviously, but every bit helps.

If you can stop evaporation, you'll get even more 'bang for your buck' with watering. But it's not easy to do.

To prolong the time water stays in the soil, you can get hydrating crystals, or you can just bury a small bowl or saucer, that will hold water for a while. This is really best used for large pots.

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Sorry, I meant to address that to Smiffy, not SP.