Various plants are grown in the garden, including bushes with thorns, but it doesn't sound appealing, though it's a common sight. Bushes with thorns not only grow in the backyard, but also along the fences and in public parks. These plants serve a functional purpose by adding vibrant color to the garden, with their bushes and thorns protecting the plant from unwanted visitors. Thorns act as a protective layer to keep birds and other harmful creatures away. Knowing the plants growing around the house can help you take proper care of them or help in deciding to remove them, if needed. This blog discusses the bushes with thorns, along with their key features for easy identification.
What is the Use of Bushes With Thorns?
Thorns are a deterrent for wildlife animals such as deer, rabbits, and other wildlife to protect bushes. Thorns, apart from acting as a shield, also help bushes climb. An interesting fact is that not all thorns are the same, so don't get confused. Understand the types of thorns and identify them.
Types of Thorns and Their Features
Thorns are usually classified on the basis of the tissue from which they arise. Here are the different types:
Thorns: They protrude from the stem tissue or from the trunk of the plant. These trunk-borne protrusions can be seen in woody shrubs like hawthorn and acacia.
Spines: Spines are the natural defense mechanism to protect the plants from unwanted creatures. Some plants, like cacti, have such piercing growth rather than a fully grown leaf to defend themselves.
Prickle: There are many flowering plants like roses that develop prickles directly emerging from dermal tissue. These thorny bushes neither develop spikes from the stem nor leaf tissue. Be mindful when you say "roses have thorns" because it's not thorns, it's prickles.
Spinose Leaf: There are certain plants that don't have thorns, spines, or prickles. Their foliage acts as a defensive layer with its teeth or dentations.
Plants With Thorns and Their Features for Easy Identification
Japanese Barberry
This is a non-fussy deciduous shrub identified by its sharp thorns. In some states, it is considered invasive and forms a hedge to help maintain privacy in the yard, as the hedge blocks the view for trespassers. The best feature is its colorful foliage that turns red, orange, purple, or yellow in fall, and the berries that persist for months.
Thorns: Sharp thorns.
Color of Foliage and Berries: Foliage turns red, orange, yellow, and purple; berries turn red.
Light Requirement: Full sun to partial shade.
Soil: Well-drained soil is needed.
Maturity Size: It reaches up to 6 feet tall and wide.
Natal Plum
It is a hardy and drought-tolerant shrub that blooms all year round. It produces edible fruit and lush green glossy foliage. It is preferred as a hedge due to its thick screen. It is added to the seaside garden due to its tolerance of salt spray.
Thorns: It has 2-inch forked thorns along branches.
Color of Foliage, Flowers, and Fruits: It produces lush green, shiny foliage that releases poisonous white sap when broken. Flowers are white, star-shaped, and fruits are reddish and taste like cranberry.
Light Requirement: It needs full sun.
Soil: Thrives in well-drained soil.
Maturity Size: It reaches up to 20 feet tall.
English Hawthorn
This is known to thrive in challenging conditions such as polluted air and poor soil quality. Though it's a shrub, it can be grown as a large shrub that gives thorny branches and dense foliage.
Thorns: It has sharp thorns on reddish-brown branches.
Color of Foliage, Flowers, and Berries: It has dark green and glossy foliage, red berries, and red, white, and pink flowers.
Light Requirement: It needs full sun to thrive.
Soil: It needs well-drained and loamy soil.
Maturity Size: It reaches up to 6-25 feet tall and 5-25 feet wide.
Blackthorn
Blackthorn is a part of the family of cherries, plums, and peaches. It has a narrow, right-angled thorn of around 6 cm, which scares the local fauna. None of the local fauna dares to eat blackthorn as they are all alarmed by the thorns.
Thorns: It has narrow thorns of 6 cm.
Color of Berries: It has dark blue berries.
Light Requirement: It needs full or partial sun.
Soil: It needs moist and sandy soil.
Maturity Size: It reaches up to 20 feet tall.
California Cholla
This is one of the preferred choices for a desert landscape. It has a columnar stem of around 18 cm, from which thorns of around 3 cm emerge, which keep local fauna away from the plant. The thorns look so scary that no one dares to cross the garden border.
Thorns: Thorns of 3 cm protrude from stems.
Color: The stems are green to purple, and the flowers are yellow.
Light Requirement: It needs full sun.
Soil: It needs well-drained and sandy soil.
Maturity Size: It reaches up to 10 feet tall.
Firethorn
It's an evergreen shrub identified by its sharp thorns on the branches. It is often used as a hedge.
Thorns: Thorns emerge from branches and are sharp.
Color of Berries and Flowers: Berries are bright red or orange in the fall, and flowers are white in the spring.
Rose Bushes
It is one of the highly preferred flowering plants for gardens owing to its colorful and beautiful flowers. It can be commonly seen in many yards or gardens. It can overgrow and get tangled over time. All it needs is regular pruning for healthy growth.
Thorns: It has prickles along the stem.
Bougainvillea
This is a thorny vine often grown along the walls of the yard or garden to scale up the look of the outdoor area. It requires regular pruning and monthly feeding during the growing period.
Thorns: It has stiff thorns, and the size can vary.
Color: Flowers have different colors, such as red, pink, yellow, white, or purple.
Light Requirement: It needs full sun to light shade.
Soil: It needs well-drained, fertile, and acidic soil.
Rainbow Knockout Rose
This is a thorny rose bush with single flowers and no fragrance. It is a preferred choice due to its low-maintenance feature and resistance to diseases such as black spot, powdery mildew, and rust. It doesn't require pruning and deadheading. Pruning can be done only when branches start rubbing each other.
Color: Coral flowers with yellow centers.
Light Requirement: It needs full sun.
Soil: It needs well-drained and fertile soil.
Silverthorn
It's an evergreen thorny shrub known to cover the larger stems of the plant with its thorns. It is a fast-growing shrub that forms a hedge within two years. It is considered an invasive species in some areas as it can spread with seeds.
Thorns: Two inches long, covering the larger stems of the plant.
Color: It has red fruit and green foliage.
Light Requirement: It needs full sun to light shade.
Soil: It needs dry and infertile soil.
Gooseberry
This is a common shrub seen in the wild areas. It has small edible fruits on which birds love to feed. The leaves of the gooseberry resemble the maple leaves.
Thorns: Thorns are at nodes.
Japanese Quince
As the name suggests, it is native to Japan. It can be grown in an open area, and with regular watering, it can grow into a beautiful shrub. It produces vibrant pink flowers in spring and edible fruits during the summer.
Color of Flowers and Fruits: It gives pink flowers in spring and fruits in summer.
Light Requirement: It needs full sun.
Porcupine Tomato
This thorny bush can be grown in warm zones beyond 9, which is not a common thing to hear. The beautiful and bright purple flowers look amazing.
What Should You Do When Identifying Thorny Bushes?
If you identify thorny bushes in the yard or garden, you can prune them, remove them completely, or treat them for disease. Here is the detailed information:
Pruning: Prune thorny bushes in winter or early spring to shape them, when they are dormant. to control their haphazard growth pattern.
Removal of Bushes: Consider removing thorny bushes if their growth goes out of control, because uncontrolled growth can pose a safety risk.
Treating for Disease: Get the plant checked with a certified arborist for any pest infestation or disease.
Conclusion
There are many bushes with thorns, and many look identical, so knowing about their distinct features can help you identify them easily and accurately. The thorny bush varieties discussed in this blog have key features mentioned that can ease the identification process.
