Why Are My Pecans Falling Green? Surprising Reasons Explained.

Pecans falling off the tree green could be due to insufficient pollination or pests. Proper fertilization and pest management can prevent this issue.

Pecan trees are a valuable addition to any homestead as they produce tasty nuts that are not only delicious but also nutritious. However, it can be frustrating to see the pecans falling off the tree green. When pecans do not mature properly, it can be due to a lack of pollination.

It is important to ensure that pecan trees receive enough pollination to avoid this problem. Another cause could be pests or diseases, which can be controlled by proper fertilizer and pest management. This article takes a closer look at why your pecans may be falling off the tree green and provides practical solutions to ensure a bountiful harvest.

Why Are My Pecans Falling Green? Surprising Reasons Explained.

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Lack Of Pollination

Pecans are usually considered ripe when their husks turn from green to brown. If your pecans are falling off the tree when they are still green, it could be due to lack of pollination. Pecan trees rely on pollination from wind or bees to produce healthy nuts.

The male flowers of the tree produce pollen, which is then transferred to the female flowers. Inadequate pollination can lead to green pecans, as they are not able to properly develop and mature. Factors such as extreme weather conditions or lack of bees can contribute to poor pollination.

It is important to address this issue to ensure the production of healthy and ripe pecans.

Pecan Scab

Pecan scab is a common disease affecting pecans, caused by a fungus that attacks the leaves and nuts. The scab disease can cause the nuts to fall prematurely, leading to green, unripe pecans. This can be a problem for both growers and consumers, as green pecans are not suitable for consumption and can significantly reduce the yield.

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It is crucial to prevent and control scab to ensure high-quality, mature pecans. There are various steps to help control scab, including spraying fungicides, choosing resistant varieties, and maintaining optimal growing conditions, such as proper fertilization and irrigation. Addressing scab early in the growing season is key to avoiding green pecans and ensuring a healthy, bountiful harvest.

Nutrient Deficiencies

Pecan trees require a range of nutrients to produce robust and healthy nuts. Any deficiencies in these nutrients can lead to green pecans that fall before they ripen. The most common nutrient deficiencies in pecan trees are zinc and phosphorus, which can cause green nut drop.

However, deficiencies in other important nutrients, such as magnesium, iron, and calcium, can also impact the health and productivity of your pecan trees. The good news is that you can address these deficiencies with a balanced fertiliser program. To ensure your pecans grow and mature as they should, it’s essential to understand the importance of these essential nutrients and the role they play in producing high-quality nuts.

Water Stress

Water stress can affect the growth of pecan trees and their nuts. When a pecan tree lacks enough water, it diverts its energy away from developing nuts and towards surviving. This means that the developing pecans can become green and stay green instead of turning brown and releasing from the tree.

Signs of water stress in pecan trees include droopy or wilted leaves, small or shrivelled nuts, and a slow growth rate. To address water stress, it is important to monitor soil moisture levels and irrigate the tree as necessary. Adequate mulching can also help to conserve soil moisture.

Without proper attention, water stress can have a significant impact on the health and productivity of pecan trees.

Insect Damage

Pecans are a delicious nut that are perfect for snacking on or adding to your favourite recipes. However, if your pecans are falling green from the tree, it can be concerning. Insects are a common cause of green pecans, and there are a few types that frequently affect pecan trees.

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The pecan weevil is one of the most destructive pests that can cause green pecans. In addition, aphids and stinkbugs are also known to cause damage. Preventing and controlling insect damage can be achieved through techniques such as using insecticides and planting trap crops.

Proper care and maintenance of the pecan tree can also go a long way in preventing insect damage. Keeping an eye out for signs of infestation can help save your pecan crop from turning green before it’s ready to be harvested.


As we conclude, we have seen that green pecan drop can be caused by several factors, including weather conditions or inadequate tree care. By identifying and addressing these issues early on, pecan growers and enthusiasts can avoid significant losses in yield, quality, and revenue.

It is essential to ensure healthy tree growth and maintenance practices, like pruning and fertilization, to encourage stronger fruit attachment and development. Furthermore, determining the appropriate timing for harvesting ripe pecans can enhance their flavor and nutritional value. Thus, if you notice green pecans falling from the tree, take prompt action to diagnose the problem and follow the best practices to maximize your pecan crop.

We hope this article answered some of your questions and provided valuable insights to help you grow healthy, robust pecan trees. Happy farming!