The word for combining two plants together is grafting. This horticultural technique involves joining plant tissues from two or more plants so they continue their growth together. It’s a common method used to propagate desirable plant varieties, improve disease resistance, or enhance fruit production.

What is Grafting and How Does It Work?

Grafting is a fascinating and ancient horticultural practice. It allows growers to combine the best traits of two different plants into a single specimen. Essentially, you’re taking a part of one plant, called the scion, and attaching it to the root system of another, known as the rootstock.

For successful grafting, the vascular tissues of both the scion and the rootstock must align. This alignment allows for the cambium layers to fuse. The cambium is a crucial layer of actively dividing cells responsible for secondary growth. Once fused, the scion and rootstock will grow as one plant.

Why Graft Plants? The Benefits Explained

Grafting isn’t just a clever trick; it offers numerous practical advantages for gardeners and commercial growers alike. It’s a powerful tool for achieving specific plant characteristics that might be impossible through seed propagation alone.

• Propagation of Desirable Varieties: Many fruit trees, roses, and ornamental plants don’t grow "true to type" from seed. Grafting ensures that you get the exact same variety with its unique fruit quality, flower color, or growth habit.
• Disease and Pest Resistance: You can graft a susceptible but desirable scion onto a rootstock that is highly resistant to soil-borne diseases or pests. This protects the upper part of the plant.
• Improved Vigor and Adaptability: Certain rootstocks can enhance a plant’s vigor, making it grow stronger and faster. They can also help plants adapt to challenging soil conditions, like poor drainage or alkaline soils.
• Faster Fruiting or Flowering: Grafted plants often mature more quickly than those grown from seed. This means you can enjoy fruits or flowers sooner.
• Repairing Damaged Trees: In some cases, grafting can be used to repair damage to a tree trunk or branches, helping to save an otherwise healthy plant.
• Creating Unique Specimens: Grafting allows for the creation of "standard" trees (like weeping roses or multi-colored fruit trees) by joining different varieties onto a single trunk.

Common Grafting Techniques

There are many different methods of grafting, each suited to specific plant types and situations. The choice of technique often depends on the size of the scion and rootstock, as well as the time of year.

Whip and Tongue Graft

This is a very strong and popular method for joining scions and rootstocks of similar diameter, typically between pencil-lead to pencil thickness. It creates a large surface area for healing.

Cleft Graft

Often used for top-working established trees, the cleft graft involves inserting a scion into a split made in the rootstock. It’s effective for changing the variety of an existing fruit tree.

Bud Grafting (or Budding)

This technique uses a single bud from the scion, rather than a piece of stem. It’s commonly used for roses and fruit trees and is efficient as it requires less scion material.

Saddle Graft

Similar to the whip and tongue, but the scion and rootstock are cut to interlock like a saddle. This provides good contact between the cambium layers.

What Plants Can Be Grafted?

Grafting is most successful between plants that are closely related. Generally, plants within the same genus can be grafted, and sometimes even across different genera if they are in the same family.

• Fruit Trees: Apples, pears, cherries, plums, peaches, and citrus are very commonly grafted. This is how most commercial fruit trees are produced.
• Roses: Most modern roses are grafted onto hardy rootstock for vigor and disease resistance.
• Ornamental Trees and Shrubs: Many popular varieties of maples, oaks, lilacs, and evergreens are grafted. This includes weeping varieties and those with unusual foliage.
• Vegetables: Tomatoes and some other vegetables can be grafted to improve disease resistance or yield.

Can You Graft Any Two Plants Together?

No, you cannot graft just any two plants together. Success relies on the genetic compatibility of the plants involved. As mentioned, they typically need to be of the same species, genus, or at least the same plant family. Attempting to graft incompatible plants will result in the union failing to heal.

Grafting vs. Other Propagation Methods

While grafting is powerful, it’s not the only way to propagate plants. Understanding the differences helps in choosing the right method for your needs.

People Also Ask

### What is the term for joining two trees?

The general term for joining two plants, including trees, is grafting. This technique is widely used in arboriculture and horticulture to combine desirable traits of different trees or to repair damaged ones.

### What do you call the top part of a graft?

The top part of a graft, which is the desired variety to be grown, is called the scion. This is typically a shoot or bud from the plant you want to propagate.

### What is the bottom part of a graft called?

The bottom part of a graft, which provides the root system, is called the rootstock. It’s chosen for its vigor, disease resistance, or adaptability to specific soil conditions.

### Can you graft a rose onto a fruit tree?

No, you generally cannot graft a rose onto a fruit tree. Roses and fruit trees belong to different plant families (Rosaceae, but different genera). Successful grafting requires plants to be closely related, usually within the same genus.

Getting Started with Grafting

Grafting requires practice and patience, but the rewards can be significant. If you’re interested in propagating your favorite plants or improving your garden’s yield, learning