"It had a lot of moving parts to get it all done in one day," Pettit said. "All hands on deck." The tree's new home is in the Floriculture Greenhouse. They hope this will be its home for the next ...

When to prune an orange tree will vary depending on your US hardiness zone. The perfect time can be between February and April, so keep a close eye on when the frosts end in your climate and look ...

It’s the mother tree, the tree from which all navel oranges in the United States trace their roots. Planted in 1873 by a Riverside woman, the parent Washington navel orange tree has lasted 148 ...

Look for the point where your citrus tree is grafted. The rootstock is selected for its vigour and resistance to disease. The top section, the scion, produces healthier foliage, flowers and fruit.

When the fruits of the Osage orange tree fall to the ground in autumn, they demand notice. For one thing, they’re the size of softballs—the largest fruit of any tree native to North America.

Q. Our young navel orange tree has a tall sprout coming up the middle. This is the first year the sprout has grown leaves; before it was just thorns. Should this sprout be cut off? This year’s ...