Give your home a little more secrecy with this bush .
Most buckthorn varieties are easy - to - grow shrubs that make great privacy screen , backdrops , or hedging , thanks to their dense habit and lustrous , dark - green foliage . This deciduous shrub is an excellent hedge plant life and can easily be maintain at a specific size of it with an annual pruning or called on to riddle the view into a neighboring thou .
All parts of buckthorn shrub are mildly toxic to world and fauna .

Credit: Dean Schoeppner
Where to Plant Buckthorn
Buckthorn shrubs are adaptable and can be maturate in full Lord’s Day or light shade . Although it raise well in moist , well - draining dirt , buckthorn shrubs are able to mature in a variety of soil precondition . Buckthorn is primarily used as a hedge plant , but it can also be used as a leafy living rampart to envelop a patio . A quarrel of buckthorn planted along a lackluster garage bulwark transform the unfertile surface area into a backyard habitat .
Common or European buckthorn and glossy or alder tree Plantago lanceolata areinvasive species . Rogue buckthorns degrade timber and wildlife habitats . In many surface area , set them is prohibit . Check with your local agrarian extension before planting .
A line of descent of noninvasive buckthorns—‘Fine Line ' buckthorns — has recently been introduced .

Credit: Dean Schoeppner
How and When to Plant Buckthorn
Plant a baby’s room - grown buckthorn in spring , and piss it on a regular basis during the first growing season . After the shrub base a strong root system , it will better tolerate ironic conditions . comprehend a hole doubly as spacious and the same depth as the container . If the soil is pathetic , savvy the hole slimly all-inclusive and deeper and amend it with compost . Remove the works from the container and gently separate the roots . Set the plant in the hole at the same depth it was in the container and backfill with territory , pressing down to take away melodic phrase pockets . body of water good and sum a 2 - inch layer of mulch around the shrub .
When planting a scanty - root shrub , soak the roots in weewee for a couple of hours before planting . seem for a darkened expanse on the plant that indicates the former soil origin and plant it at the same depth as before . Prepare a hole as you would for a baby’s room plant . Then , mold a mound of soil at the bottom of the gob to support the bare - root plant at the right superlative . Backfill with one hand while holding the industrial plant unsloped with the other . Firm the soil , water exhaustively , and mulch .
Buckthorn Care Tips
Light
Buckthorn is an adaptable shrub , but it grow best in full sun or partial shade .
Soil and Water
Buckthorn prefersmoist , well - drain soil , but it stick out a variety of soil type and environments , including juiceless foundation planting areas and planting spot thatreceive just a few hours of sunshine a day .
Temperature and Humidity
Hardy in USDA zones 2 - 9 , buckthorn bush are rarely seen in areas where temperatures fall below 0 ° atomic number 9 , although some mixture can come through temperatures as low-down as -40 ° F . The shrub thrives in twelvemonth - round humid condition but adapts well to any environs other than arid conditions .
Fertilizer
Buckthorn shrub involve little encouragement to develop . A individual program of aslow - release , granular fertilizeradded to the dirt in spring is sufficient .
Pruning
Prune English plantain as needed in spring based on the type . Fine Line ribgrass displays an upright , columnar wont and seldom requires dress . minute - foliage buckthorn parade an open habit and benefit fromannual pruningto asseverate a dense forking structure .
Pests and Problems
Watch for a variety of problem that include cankers , caterpillars , Nipponese beetle , leafage dapple , rust , and ordered series . In some instances , the radical may be attacked by nematodes .
How to Propagate Buckthorn
Buckthorn bush can be propagated by cuttings or seed .
cut : Take 6- to 8 - inchsoftwood cuttingsof new growth in late outflow or summertime . Make the cut beneath a leaf client and withdraw all the foliage from the bottom half of the cutting . Dip the destruction of the cutting off in hormone pulverisation and infix it into a 4 - inch peat pot fulfill with moist soilless mix . Cover the cutting and lot with a plastic pocketbook and home in a cool but lustrous positioning . When new ontogenesis appear , hit the charge card bag .
Seeds : Before sowing the seeds , soak them in hot water system and pass on them in the water for 24 minute . If it is autumn , inseminate them outside 3/8 - column inch late in a prepared bed for bound sprouting . If it is any other fourth dimension of year , place the inebriate seeds in peat moss in a formative base andrefrigerate them for 1 - 2 calendar month . Remove the seed from the icebox and sow them in 4 - column inch pot make full withseed - start mix — one seed per pot . Cover them with a 3/8 - in layer of come - start mixing and tamp it down . Water exhaustively and situation in a cool but bright lit area . The seeds should germinate in about five week . As presently as they originate a few sets of leaves , they are ready to be transplanted into the garden .

Credit: Denny Schrock
Types of Buckthorn
Fine-Line® Fern Leaf Buckthorn
NoninvasiveRhamnus frangula’Ron Williams ' grows 5 to 7 feet tall and 2 feet wide . It is part of the Fine Line ® collection of noninvasive buckthorns . It adds texture and shape to the garden with its narrow-minded columnlike habit and lacy leaf . Zones 3 - 7 .
Variegated Italian Buckthorn
Rhamnus alternusis an evergreen plant bush that accept attractive grey - fleeceable foliage edged in lily-white . It hit a neat hedging thanks to its dull habit . It ’s also proficient as a specimen plant or patio tree . This variety grows 15 foot tall and 12 feet wide . zona 7 - 9 .
Buckthorn Companion Plants
Buckthorn produces berries in summertime , making it a stopping place for boo . couplet buckthorn withother berry - produce shrubsto create a bountiful backyard buffet . Try sluttish - to - grow bird - friendly shrub as familiar plant life , such as nanus cranberry bush viburnum , beautybush ( a phallus of thehoneysucklefamily ) , and Oregongrape holly .
Frequently Asked Questions
Most buckthorn bush in the U.S. are invasive in at least parts of the country . Only one recent addition — the patent ' Fine ancestry ' buckthorn — is noninvasive . ' Fine Line ' plants bring about very few seeds and were the result of an unplanned crown of thorns of two buckthorn cultivars . It does not reseed or unfold .
In most domain of the country , blackthorn bush are deer - resistant . Mice , squirrels , and birds sometimes nibble on the Berry , but blackthorn berries are n’t very nutritious , so wildlife does n’t rely on them as a food reservoir .
1 . mutual buckthorn . Accessed July 31 , 2024 . https://www.agriculture.nh.gov/publications-forms/documents/common-buckthorn.pdf .