Bitternut Carya cordiformis
ABOUT
Carya cordiformis, also known as the Bitternut Hickory, is a medium to large-sized deciduous tree native to North America. It typically grows to a height of 50-80 feet with a trunk diameter of 1-2 feet.
The tree has a straight, tall trunk that is covered in a gray-brown bark with shallow furrows and ridges. The bark is typically smooth on younger trees and becomes more furrowed and scaly as the tree ages.
The leaves of Carya cordiformis are alternate and pinnately compound, typically measuring 8-14 inches in length. Each leaf is made up of 7-9 leaflets that are 3-6 inches long and 1-3 inches wide. The leaflets are a bright green color in the summer, turning yellow in the fall.
The tree produces both male and female flowers on separate branches. The male flowers are yellow-green catkins that measure 2-4 inches in length, while the female flowers are small and green, located on short spikes.
Carya cordiformis also produces a nut, which is surrounded by a thin husk that splits open when the nut is mature. The nut is oval-shaped, measuring 1-1.5 inches in length and 0.6-1 inch in diameter.
Overall, Carya cordiformis is a handsome and stately tree, with a straight trunk, open crown, and attractive foliage. Its appearance is distinct and recognizable, making it a popular choice for landscaping and as a source of food and wood.
About this plant
- Names
Family
Juglandaceae
Synonyms
Bitternut hickory, North American bitternut, Swamp hickory, White hickory
Common names
Carya minima, Carya amara, Juglans cordiformis
- Toxicity
To humans
Carya cordiformis is not considered toxic to humans. However, consuming large quantities of the nut can cause gastrointestinal distress, such as stomach pain, diarrhea, or vomiting.
To pets
Carya cordiformis is not generally considered toxic to animals. However, some animals, such as horses, may develop colic or other digestive issues if they consume large quantities of the nut or husk. Additionally, the foliage and bark of the tree can be toxic to some animals, such as cattle, if consumed in large quantities.
- Characteristics
Life cycle
Perennials
Foliage type
Deciduous
Color of leaves
Green; yellow in the fall
Flower color
Green
Height
80 feet
Plant type
Tree
Hardiness zones
3
Native area
North America
Benefits
- General Benefits
The wood of Carya cordiformis is hard and strong, making it valuable for use in furniture, flooring, and other construction projects;
The Bitternut Hickory provides habitat and food for a variety of wildlife species, including birds, squirrels, and other small mammals;
Carya cordiformis is a beautiful and stately tree, making it a popular choice for landscaping and as a shade tree;
The deep roots of the Bitternut Hickory help to stabilize soil, prevent erosion, and improve soil structure;
Trees, including Carya cordiformis, absorb carbon dioxide from the atmosphere and store it in their biomass, helping to mitigate climate change;
The bark of Carya cordiformis has been used in traditional medicine for a variety of ailments, such as fever, diarrhea, and toothache. However, it is not recommended to self-medicate with this plant without the guidance of a qualified healthcare provider. - Other Uses
The wood of Carya cordiformis is dense and hard, and is often used as a smoking wood for meats and other foods. It imparts a sweet, smoky flavor to the food;
The wood of Carya cordiformis is also used to make tool handles, as it is strong and durable;
The inner bark of Carya cordiformis can be used for basketry, as it is flexible and strong;
The leaves of Carya cordiformis can be used to create a natural dye, which produces a range of colors from yellow to brown;
The wood of Carya cordiformis is sometimes used to make furniture, particularly for outdoor use, as it is resistant to decay and insects.
Interesting Facts
- Zodiac Sign Compitability
VIRGO
In astrology, Virgo is often associated with practicality, attention to detail, and a desire for order and structure. These traits are reflected in the symbolism of the Bitternut Hickory. The tree is known for its hard, durable wood, which is often used in construction and furniture-making. This speaks to the Virgoan focus on practicality and functionality. - Plant Symbolism
In Native American cultures, the Bitternut Hickory was often seen as a symbol of endurance and perseverance. The tree's deep root system and ability to withstand harsh weather conditions made it a symbol of resilience and strength.
- Water
To water Carya cordiformis deeply and infrequently is the best method. This means watering the tree at the base, near the roots, with a hose or watering can.
It is best to avoid getting water on the leaves as this can lead to fungal growth and other issues. The frequency of watering will depend on factors such as the age of the tree, the time of year, and the climate.
As a general rule, the tree should receive at least 1-2 inches of water per week, either through rainfall or irrigation. During periods of drought or hot weather, it may be necessary to water the tree more frequently to ensure that it has enough moisture. - Light
Bitternut Hickory thrives in full sun, which means it requires at least 6-8 hours of direct sunlight per day. It can tolerate some shade, but too much shade can stunt its growth and make it more susceptible to disease and pests.
- Temperature
Bitternut Hickory is native to North America and can survive in a range of temperatures.
It can tolerate both hot summers and cold winters and can survive temperatures as low as -30°F and as high as 100°F.
However, the tree may require additional care during extreme weather conditions, such as providing extra water during droughts or protecting it from strong winds and heavy snowfall during the winter. - Pruning
To prune Bitternut Hickory, it is important to do so carefully and thoughtfully. The best time to prune the tree is in the late winter or early spring, before new growth appears. When pruning, it is important to remove any dead or diseased wood, as well as any branches that are crossing or rubbing against each other. It is also important to maintain the tree's natural shape and structure, as excessive pruning can weaken the tree and make it more susceptible to disease and pests. leaving stubs, as these can create entry points for disease and pests.
- Soil
Bitternut Hickory grows best in well-draining soil that is rich in organic matter.
The ideal soil pH for Bitternut Hickory is between 6.0 and 7.5, which is slightly acidic to neutral. If the soil pH is too low, it can be raised by adding lime, while if it is too high, it can be lowered by adding sulfur or other acidic amendments. - Humidity & Misting
Bitternut Hickory is a tree that is native to North America and is adapted to a range of humidity levels. However, it generally prefers moderate to high humidity levels, between 40% and 60%.
If the air is too dry, it can lead to leaf drop and other issues. - Suitable locations
Indoor
Not growing
Outdoor
All year round
Hardiness zone
USDA 4 - 10
- Life cycle
Bitternut Hickory (Carya cordiformis) is a deciduous tree that has a long life cycle, which can span several decades or even centuries. Here is a brief description of its life cycle:
Bitternut Hickory's life cycle begins with the germination of its seeds. The tree produces small, round nuts that are enclosed in a hard, woody shell. The nuts ripen in the fall and drop to the ground, where they overwinter. In the spring, the nuts begin to germinate, and the embryonic root emerges from the seed coat and begins to grow downward into the soil.
As the root continues to grow, it gives rise to a shoot that grows upward toward the surface. The shoot is initially protected by the seed coat, which remains attached to the base of the shoot until it emerges from the soil. The first few leaves that emerge from the shoot are called cotyledons and are responsible for absorbing and storing energy from the sun.
As the tree grows taller, it enters the sapling stage, which typically lasts for several years. During this time, the tree continues to grow upward and outward, producing more leaves and branches. The roots of the tree also continue to grow deeper and spread out in search of water and nutrients.
As the tree reaches maturity, it produces flowers that are either male or female. The male flowers produce pollen, which is carried by the wind to the female flowers, where it fertilizes the ovules and leads to the production of new seeds. Bitternut Hickory reaches maturity at around 30 years of age, and it can continue to produce seeds and grow for several more decades. - Propogation
Propogation time
Spring - summer
Seed Propagation:
Bitternut Hickory can be propagated from seeds, which can be collected in the fall and planted immediately or stored in a cool, dry place until the following spring. The nuts should be stratified for several months before planting to simulate winter conditions, which will help to break the seed dormancy. Seeds can be sown directly in the ground or started indoors in pots and then transplanted when the seedlings are large enough.
Grafting:
Grafting is a method of propagation that involves taking a cutting or scion from a desired tree and attaching it to a rootstock of a related tree. Bitternut Hickory can be grafted onto other hickory species, such as Shagbark Hickory or Pecan, to create a hybrid tree with desirable traits.
Transplanting:
Bitternut Hickory can also be propagated by transplanting young saplings from the wild or from nurseries. Transplanting should be done in the spring or fall when the tree is dormant, and the root ball should be kept intact to minimize damage to the roots.
Layering:
Layering is a propagation technique that involves bending a low-growing branch of a tree to the ground and burying it in soil, where it will take root and form a new tree. This method can be used to propagate Bitternut Hickory, although it is less commonly used than seed propagation or grafting.
- Pests
Vine weevil, Caterpillar
- Diseases
Anthracnose, Root Rot, Powdery mildew, Crown gall