A medium to large tree 40-80’X50’ with a round spreading canopy growing medium to fast depending on soil and moisture. A very desirable choice for the Front Range as it tolerates high ph clay soils, drought and winds. A very tough tree if cared for early on in its life. Bares a purple fleshy fruit much sought after by birds and that unfortunately stains walks and patios. Attractive grey bark that is rough and corky with elegant structural form making it appealing for winter viewing. Yellow fall colors.
Hackberry’s tend to have very poor structure and require expert structural pruning for at least the first 15 years of life in order to prevent multiple trunks and weak branch attachments. Best planted away from structures, curbs, driveways and walks as they tend to push surface roots up and can cause damage. Easily damaged thin bark requires placement away from the potential for mechanical injury from lawn mowers, cars and weed whackers. The damage will often decay the internal wood causing extensive cavities.
Some fungi effect the leaves but chemical control is usually not warranted. Witches broom caused by powdery mildew and a mite it is very uncommon at this time along the Front Range. Mistletoe will kill a tree slowly and they are susceptible , however it is not seen along the Front Range.
Hackberry Nipple Gall is so common you might think it part of the leaf structure on these trees. It is caused by a psyllid that feeds on the leaves which then form a small (1/8-1/4â€) round bump on the leaf. There can be tens of thousands of these on a single tree and will remain until the leaves drop in the fall. They do not have a negative effect on the tree. It can be controlled with chemical sprays but is not recommended.
Various scales can affect the tree but it is rare in this area.
Many to choose from.
An excellent source for furniture grade lumber. Hackberry has the properties most suited for bending wood. It has higher tolerances than any other species. Some cultures use its leaves and berries in some foods and drinks. Some honeybees find the flowers a big resource for honey production.
The first large scale planned neighborhood, Hyde Park, of Austin, TX in the 1880’s clear cut the old growth Live Oak forest and replanted with Hackberry’s!