How to Grow and Care for English Oak

English oak tree in middle of field with wide reaching branches on top

The Spruce / K. Dave

The English oak (Quercus robur) is a stately tree best known for being part of the forests and landscapes of England. It is less common in North America, though it has escaped landscapes to naturalize in parts of the northern U.S. and Canada. Quercus robur is a member of the white oak subdivision of the genus. Its leaves have the familiar lobed oak shape, about 5 inches long, and the seeds are narrow 1-inch long acorns. English oak is a fairly massive broad-trunked tree with a widely rounded crown. The branches are low-hanging. It is more commonly found in public settings like parks, though it can certainly be grown in larger home gardens if you have space. There are also columnar varieties available so you can have the look of English oak in a much narrower space.

Balled-and-burlapped plants are usually planted in the fall or spring. When started from seed, it is best to plant an acorn between mid-fall and early spring; the acorn will germinate in four to six weeks. Rather slow-growing, an English oak may live for hundreds of years.

English oak contains gallotannin, quercitrin, and quercetin compounds, which can cause various digestive ailments when young leaves or acorns are eaten. This is most often a problem in areas where horses and other grazing animals feed on the leaves and nuts.

Common Name  English oak, truffle oak, pedunculate oak
Botanical Name Quercus robur
Family Fagaceae
Plant Type Tree
Mature Size 40–60 ft. tall, 40–70 ft. wide 
Sun Exposure Full 
Soil Type Loamy, moist, well-drained
Soil pH Acidic, neutral, alkaline 
Bloom Time  Spring 
Flower Color  Green
Hardiness Zones 4–8 (USDA) 
Native Area Africa, Asia, Europe 
Toxicity Toxic to people, toxic to pets

English Oak Care

As with other oak tree species, it is not easy to transplant the English oak since they form a long taproot. Ball-and-burlapped specimens are more common than container-grown saplings. It is not prohibitively difficult to transplant one grown from seed, it just requires that you start with a smaller specimen. The English oak is a slow-growing tree that can take 20 years or more before it produces acorns. It usually will not need much, if any, pruning as it will naturally create a pleasing shape over the years. Proper maintenance should include the removal of any parts of the tree that have become dead, damaged, or diseased to help the tree stay healthy.

The mature size for most trees will be 40–60 feet tall, though in the wild, centuries-old trees can sometimes grow to over 100 feet tall. In its early years, an English oak has a pyramidal shape, but over time it will form an irregular rounded crown. The leaves may turn brown in the autumn and may not fall off until winter.

English oak tree against blue sky in front of other trees

The Spruce / K. Dave

English oak tree branch with green acorns underneath large leaves

The Spruce / K. Dave

English oak trees in middle of field with green grass and blue sky with clouds above

The Spruce / K. Dave


The English oak grows best in full sunlight, though it can tolerate some shade. In humid climates, full sun is more necessary to prevent fungal problems.


Quercus robur is able to tolerate a range of soil pH from acidic to slightly alkaline (pH 4.9 to 8.0). For optimal growth, find a location with soil that stays moist but still provides good drainage.


English oak trees prefer regular irrigation, especially when young. A good 1-inch soaking each week, through a combination of rainfall and irrigation, will keep young trees happy for the first two or three years. An English oak can, however, tolerate relatively mild drought once it becomes established. Mature trees can get by nicely on a monthly deep watering.

Temperature and Humidity

This tree is best suited for zones 5 to 8. The tree can grow in sheltered spots in zone 4, though freezes can be damaging or even deadly. This tree does not like humid conditions, and if planted in such a region make sure to give it good air circulation and full sun to prevent fungal diseases.


Fertilizing oak trees is usually not necessary if the tree is growing in good soil. If planted in barren soil, an oak tree will benefit from feeding with a product with a relatively high nitrogen content, such as a 12-6-6 formulation. For the amount to use, follow the product label instructions. Twice yearly feedings—in fall well before the ground freezes and in the spring just before new growth begins—are recommended for trees clearly in need of help. Where necessary, this feeding should be done each year for young trees, but mature trees can usually do well on a feeding every three or four years.

Types of English Oak

There are many named cultivars of English oak to choose from, including:

  • 'Fastigiata' and 'Skyrocket' are columnar varieties that spread up to 15 feet wide, making it possible for more people to plant Quercus robur in their landscapes.
  • 'Pendula' has branches that create a weeping form.
  • 'Filicifolia' and 'Dissecta' bear leaves with a lacy look as the lobes are deeply divided into many narrow sections.
  • As the name suggests, 'Variegata' features leaves variegated with a cream color.
  • The 'Atropurpurea' and 'Purpurea' varieties boast stunning purple leaves.
  • 'Concordia' offers golden-hued foliage.
  • 'Attention' has a columnar shape and good resistance to powdery mildew.


English oaks are best pruned during the dormant winter season to avoid the possibility of oak wilt infection. Up to three years old, oaks should be pruned only to remove dead or diseased branches, not to control the shape or size. After three years of age, the tree can be pruned to shape, but it is best to trim only inner branches that rub or hinder sunlight from reaching into the tree's interior. Use of wound coatings is normally discouraged—except when trimming is necessary due to damage during the tree's vulnerable spring and early summer period. Make the pruning cuts down close to the branch's collar, but not so close as to damage the main branch or trunk.

Propagating English Oak

English oak does not transplant well, thanks to the long taproot, so vegetative propagation is not common. In addition, most named varieties are created by grafting, which means that rooting a stem cutting is not likely to produce an identical tree.

Propagation is most often done by planting the ripened seeds (acorns), which are usually not produced until the tree is at least 20 years old.

How to Grow English Oak From Seed

As a member of the white oak group, English oaks do not require a cold stratification period before the acorns are planted. Be aware, however, that most named cultivars are grafted trees, so the acorns likely produce trees with differing characteristics. But if you want to try propagation of a pure species tree by seed, it is easy to do:

Simply gather three or four acorns that have fallen from an English oak tree (fallen acorns will be fully ripe). Fall is a standard planting time, but the acorns can be stored in the refrigerator over the winter and planted in the spring.

Plant the group of acorns in the location where you want the new tree to grow, at a depth about three times the diameter of the acorn. Orient the acorns lengthwise in the planting hole. Water weekly until the seeds germinate and sprout. This can take as little as one week.

If more than one seedling sprouts, clip off the weaker stems, giving preference to the seedling that is healthiest. Water the seedling weekly for the first two years, until it is well established.


If planted within its established hardiness range, English oaks require little in the way of winter protection once they are mature. Rake up leaves as winter sets in to prevent fungi from overwintering. Young trees may benefit from protecting the trunks with tree wrap or plastic tree guards for the first two winters in zone 4 landscapes. It is best to water the tree well going into winter, but then reduce watering during the winter months.

Common Pests and Plant Diseases

This oak tree species is noted to be resistant to sudden oak death, a disease that plagues some other oak species. The biggest problem English oak faces is the unattractive presence of powdery mildew. Anthracnose can also be an issue in wet conditions, causing leaf drop. Regular fertilization will help to combat canker diseases if they prove to be a problem. Some possible diseases that do not need to be treated include shoestring root rot, leaf blister, and leaf spots.

Common Problems With English Oak

Other than powdery mildew, a non-life-threatening fungal disease that frequently occurs in humid climates, English oak is largely free of cultural issues and is less susceptible to the common diseases that can be problems with other oak species. The most common complaint is that the tree is just too massive and low-hanging for most residential landscapes. When it overwhelms a yard—which may well occur with older trees—it can be sharply pruned to raise and thin out the canopy to allow sunlight down into space.

  • How fast does an English oak grow?

    This is a fairly slow-growing tree. In one study, English oak trees averaged 16 inches of growth per year over 10 year period.

  • How is this tree best used in the landscape?

    English oak will eventually grow to be very large, so it is best suited to large landscapes and public lands where it has plenty of room. It is not a great choice for most residential yards of typical urban size, but can work in large suburban or rural landscapes.

  • Does this tree have wildlife appeal?

    Yes. A large, mature English oak will draw many moth species, and the acorns are eaten by many birds and small mammals, which can in turn lure predators such as owls, hawks, foxes, and coyotes.

Article Sources
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  1. Quercus robus. North Carolina Extension.

  2. English Oak. Colorado State University Extension.

  3. Quercus rubus. North Carolina Extension.

  4. Fertilizing Shade Trees. University of MIssouri Extension.

  5. Growing Your Own Oak Seedlings. Mississippi State University Extension.

  6. Protecting Trees and Shrubs in Winter. University of Minnesota Extension.

  7. Key to Diseases of Oak in the Landscape. University of Georgia Extension.

  8. Dirr, Michael. Manual of Woody Landscape Plants, Stipe Publishing, 1998