He used only native plants growing within five miles of the site.

"You mean, by using green plants to give off oxygen?"

If you used real plants, switch the lights on too.

Not only did he use native plants, but also materials too.

Using plants from our list below should ensure a successful first experience in the garden.

And you should use plants in groups of three or more, for best effect.

They used plants to heal the body and to free the mind.

A more unusual idea is using plants and their natural sensors.

Some measurements were made using older plants over a short time period, just three hours.

The major idea is to use plants and flowers that are native to our own area.