They give a clean cut, keeping plants healthy and strong.

And even small bits of root can send up healthy plants.

He displayed photographs of apparently healthy plants taken from these tests.

And good root development is the secret to a healthy plant.

A thorough soil test is key to healthy, productive plants.

By May you will have plenty of healthy young plants to set out in the garden.

No one knows why ostensibly healthy plants die - or at least I don't.

Take cuttings only from healthy plants that are growing well.

There'll be more varieties and, if you take care of them, healthier plants.

This was repeated for six years until they had healthy plants.