Not long ago, while walking down Bethlehem Road in Jerusalem, I spotted a tree unlike any I had ever seen before. It had both pink and red flowers which, upon closer examination, belonged to the same ...

An old tree can be perpetuated by grafting one of its stems onto a young rootstock. Grafting is the joining together of two living plant parts so that the whole grows as one plant. The rootstock ...

If you’ve recently purchased a fruit or nut tree — or if you already have one in your home landscape — take a close look at the trunk near the soil surface. You might see a faint scar where two ...

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 crop of ...