How To Prune Apricot Trees : Open Center Shape Training Pruning

Apricot trees produce fruit on one-year-old wood, so annual pruning focuses on renewal and airflow. If you want to know how to prune apricot trees, you have to understand their growth cycle. This guide will walk you through every step, from timing to technique.

Pruning an apricot tree isn’t just about cutting branches. It’s about shaping the tree for better sun exposure and preventing disease. You’ll learn the exact cuts to make and when to make them.

Why Pruning Apricot Trees Matters

Apricot trees are vigorous growers. Without pruning, they become a tangled mess of branches. This reduces fruit quality and invites pests.

Annual pruning keeps the tree open to sunlight. Sunlight is critical for ripening fruit and drying dew, which prevents fungal infections. It also encourages the growth of new fruiting wood.

Old wood stops producing after a few years. By pruning, you force the tree to grow new shoots that will bear fruit next season. This is the core of renewal pruning.

When To Prune Apricot Trees

Timing is everything. Prune at the wrong time, and you risk disease or reduced harvest.

Best Time: Late Winter Or Early Spring

Prune apricot trees in late winter while they are still dormant. This is before the buds swell. In most climates, this means February or early March.

Dormant pruning gives you a clear view of the branch structure. The tree also heals faster before the growing season starts.

Avoid Pruning In Wet Weather

Apricot trees are susceptible to a fungal disease called Eutypa dieback. Pruning during rain or high humidity increases infection risk. Always prune on a dry day.

If you live in a rainy area, wait for a dry spell. You can also apply a pruning sealer to large cuts, though it’s not always necessary.

Summer Pruning For Maintenance

You can do light summer pruning after harvest. This is for removing dead wood or water sprouts. But heavy pruning should only happen in winter.

Summer pruning reduces the tree’s energy. It’s best for minor adjustments, not major reshaping.

How To Prune Apricot Trees

Now we get into the actual steps. Follow these in order for best results.

Step 1: Gather Your Tools

You need sharp, clean tools. Dull blades tear bark and invite disease.

  • Hand pruners for small branches (under ½ inch)
  • Loppers for medium branches (½ to 1½ inches)
  • Pruning saw for large branches (over 1½ inches)
  • Disinfectant (rubbing alcohol or bleach solution)
  • Gloves and safety glasses

Clean your tools between trees. This stops the spread of disease from one plant to another.

Step 2: Remove The Four D’s

Start by cutting out any dead, damaged, diseased, or dying wood. This is the easiest part and clears the way for more precise cuts.

Dead wood is brittle and has no buds. Damaged wood may have cracks or splits. Diseased wood often has cankers or discolored bark. Remove all of it back to healthy wood.

Step 3: Remove Crossing Or Rubbing Branches

Branches that cross each other will rub and create wounds. These wounds are entry points for insects and disease.

Choose the weaker branch to remove. Keep the stronger one that grows in a better direction. Always cut the rubbing branch back to its origin.

Step 4: Open Up The Center

Apricot trees benefit from an open center shape. This looks like a vase or a bowl. It allows light to reach all parts of the tree.

Remove any branches that grow toward the center of the tree. Also remove vertical shoots that block light. Keep branches that grow outward at a 45 to 60 degree angle.

You want the tree to look like a skeleton with space in the middle. Aim for 3 to 5 main scaffold branches.

Step 5: Thin Out Crowded Branches

If you see a cluster of branches all coming from the same spot, thin them out. Keep only one or two of the strongest.

Thinning improves air circulation. Good airflow dries leaves quickly and reduces fungal diseases like brown rot.

Step 6: Shorten Long Branches

Cut back the longest branches by about one-third. This encourages side branching and keeps the tree compact.

Make your cut just above an outward-facing bud. This directs new growth outward, not inward. Use a slant cut so water runs off.

Step 7: Remove Water Sprouts

Water sprouts are fast-growing vertical shoots. They come from the trunk or main branches. They rarely fruit and they shade the tree.

Pull them off by hand when they are small. If they are large, cut them flush with the branch. Do not leave stubs.

Step 8: Check For Suckers

Suckers grow from the rootstock below the graft union. They will not produce the same fruit as your tree. Remove them at ground level.

If you let suckers grow, they steal energy from the main tree. They can also overtake the grafted variety.

Common Pruning Mistakes To Avoid

Even experienced gardeners make errors. Here are the most common ones and how to avoid them.

Pruning Too Much At Once

Never remove more than 20 to 30 percent of the tree’s canopy in one year. Over-pruning stresses the tree and causes excessive water sprout growth.

If your tree is severely overgrown, spread the pruning over two or three years. Do a little each winter.

Leaving Stubs

Always cut back to a branch collar or a bud. Stubs do not heal properly and become entry points for rot. Make clean cuts.

Pruning At The Wrong Angle

Cut at a 45-degree angle, about ¼ inch above a bud. The angle prevents water from sitting on the cut. Flat cuts collect moisture and decay.

Ignoring The Tree’s Age

Young trees need different pruning than mature ones. Young trees need shaping to establish structure. Mature trees need renewal pruning to keep fruiting wood productive.

Pruning Young Apricot Trees (First 3 Years)

For the first three years, focus on creating a strong framework. This is called training.

Year One: Establish The Leader

After planting, cut the main trunk back to about 30 inches tall. This forces low branching. Remove any branches below 18 inches from the ground.

Select 3 to 4 well-spaced branches to keep as scaffolds. Remove all others. These scaffolds should be evenly spaced around the trunk.

Year Two: Shape The Scaffolds

Cut back the scaffold branches by half. This encourages them to produce side branches. Remove any branches that grow toward the center.

Keep the tree’s center open. Remove any competing leaders that try to grow straight up.

Year Three: Continue Training

By year three, the tree should have a vase shape. Thin out any crossing branches. Shorten the longest scaffolds to maintain balance.

Now you can let the tree fruit lightly. Remove most of the small fruit to let the tree focus on growth.

Pruning Mature Apricot Trees

Once your tree is over 4 years old, the focus shifts to renewal. You want to keep the fruiting wood young.

Renewal Pruning Every Year

Each winter, remove about 20 percent of the oldest fruiting wood. Cut it back to a younger side branch or to the main trunk.

This forces the tree to grow new shoots that will fruit the next year. If you skip this step, the tree will produce less fruit over time.

Lower The Height If Needed

If your tree is too tall to harvest easily, lower it. Cut the tallest branches back to a lateral branch that is at a manageable height.

Never cut the main trunk straight across. Always cut back to a side branch that is at least one-third the diameter of the removed branch.

Pruning For Disease Prevention

Apricot trees are prone to several diseases. Proper pruning can reduce these risks.

Brown Rot

Brown rot attacks blossoms and fruit. Good air circulation from pruning reduces humidity. Remove any mummified fruit that remains on the tree.

Eutypa Dieback

This fungal disease enters through pruning wounds. To prevent it, prune only in dry weather. Make clean cuts and avoid large wounds.

If you see a branch with a canker, cut it back at least 12 inches below the infected area. Disinfect your tools after.

Bacterial Canker

This disease causes sunken areas on bark. Prune out infected branches in winter. Do not prune in fall, as the wounds heal slowly.

Tools And Safety Tips

Good tools make the job easier and safer. Invest in quality pruners that fit your hand.

  • Bypass pruners are best for live wood. They make clean cuts.
  • Anvil pruners crush wood and are better for dead branches.
  • Use a pruning saw for branches over 1 inch thick.
  • Wear gloves to protect from thorns and sap.

Always cut away from your body. Keep your other hand clear of the blade. If using a ladder, make sure it is stable on uneven ground.

After Pruning Care

Your tree needs a little help after pruning. Here is what to do.

Clean Up Debris

Remove all cut branches from around the tree. Do not leave them on the ground, as they can harbor pests and diseases.

Burn or dispose of diseased wood. Do not put it in your compost pile.

Fertilize Lightly

In early spring, apply a balanced fertilizer like 10-10-10. Follow package directions. Do not over-fertilize, as this can cause excessive vegetative growth.

Water Deeply

After pruning, water the tree deeply if the soil is dry. This helps it recover. But do not waterlog the roots.

Frequently Asked Questions

Can I prune an apricot tree in summer?

Yes, but only for light maintenance. Remove dead wood or water sprouts. Heavy summer pruning can reduce fruit production and stress the tree.

What is the best shape for an apricot tree?

An open center or vase shape is best. This allows sunlight to reach all branches and improves air circulation.

How much should I prune each year?

Remove no more than 20 to 30 percent of the canopy. Focus on old wood, dead wood, and crossing branches.

Why is my apricot tree not fruiting after pruning?

You may have pruned too much or removed the fruiting wood. Apricots fruit on one-year-old wood. Leave enough young shoots for next year’s crop.

Do I need to seal pruning cuts?

Generally, no. Trees heal naturally. But if you prune during wet weather, you can apply a pruning sealer to large cuts to prevent disease entry.

Final Thoughts On Pruning Apricot Trees

Pruning your apricot tree every year is not optional. It is essential for healthy growth and abundant fruit. Start with the four D’s, then shape the tree for light and air.

Remember the key points: prune in late winter on a dry day, keep the center open, and renew old wood. Your tree will reward you with sweet, juicy apricots for years to come.

Dont be afraid to make mistakes. Every cut is a learning experience. With practice, you will become confident in how to prune apricot trees effectively.