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

In a few weeks' time, the growing mystery solved itself and the strong little plants proved to be those of snapdragons.

To set flower buds, it has to form a strong plant while days are cool and short.

If there are too many, the strongest plants will crowd out the weaker ones.

We have observed that the better-prepared soil seems always to produce the strongest plants.

A strong plant in perfect health, six pseudo-bulbs with leaves, and three without.

Also, strong plants are more resistant to invasions by insects and diseases.

Those which grow near silty areas do not appear to be strong plants.

Gardeners know that stronger plants require less coddling and water.

The development of strong plants and a deep root system requires full sun.