Tree Mistletoe Removal in Grapevine, Texas

It is a parasite, and it is feeding on your tree

Phoradendron — our native mistletoe — is a hemiparasite. It photosynthesises a little on its own, but it taps into the host's vascular system with a root-like structure called a haustorium and takes water and nutrients directly. Around Grapevine it turns up most on cedar elm, hackberry, honey locust and Arizona ash.

It is easiest to see in winter, when the host is bare and the mistletoe is the only green thing in the canopy. Birds spread it: they eat the berries and wipe the sticky seed onto the next branch.

Why cutting off the visible clump does not work

The haustorium runs inside the branch, often for a foot or more in each direction from the visible growth. Snap the ball off and it regrows from tissue still embedded in the wood, usually within a season.

Actual removal means cutting the branch back at least 12 to 18 inches below the point of attachment, back to a lateral or the branch collar. That is the only reliable method. If the mistletoe is on the trunk or on a main scaffold you cannot afford to lose, it cannot be cut out — the option there is to cut the growth back flush repeatedly to keep it from fruiting and spreading, accepting it will return.

How much does it actually matter?

A few clumps on a vigorous tree are not an emergency. Heavy infestation is a different matter: it drains water during exactly the drought periods when the tree can least afford it, adds significant weight and wind sail to the branches it colonises, and progressively kills back the wood beyond each attachment point. A heavily-infested cedar elm in a dry summer is a tree in real decline.

When to have it done

Winter, for two good reasons. You can see every clump with the leaves off, and it is outside the growing season. If the host is an oak, winter is also the correct window under the oak wilt pruning restriction — though mistletoe on oaks is far less common here.

Removing it is a pruning job

The cuts have to be made properly — to a lateral, outside the collar, without taking more than about a quarter of the canopy in one season. On a badly-infested tree that may mean staging the work over two or three winters rather than stripping it in one. We will tell you honestly whether the tree is worth the programme or whether it is far enough gone that removal is the better spend.

Grapevine estimates are free.