The vigorous tree is slow to come into crop but then produces heavily.

The column plunged into new forest, vigorous young trees shooting upward, racing each other for the sun.

A vigorous tree can often throw off a fungus or insects, so sometimes it's best just to wait.

First think of a tree-a strong, vigorous tree at the height of its growth.

His goal is to cross-pollinate the two strains, yielding even more vigorous trees.

Rather they are vigorous trees with broad, green leaves and broad canopies.

It is widely accepted that fires burn away dead growth, making room for vigorous young trees and plants.

Cones usually are produced on young growth of vigorous trees.

To him, the ancient but vigorous trees were a good metaphor for the Empire as a whole.

The vigorous and productive trees are very thorny, particularly when young.