How Much Water Does It Take to Grow an Almond?

Almonds are native to China and India. They are nutritious nuts high in protein and fat and are considered a superfood. In California alone, almonds account for nearly $1 Billion in annual sales.

Being a drought-tolerant crop, Almonds might seem like a sustainable choice at first glance. However, the reality is a bit more complex than it seems. Contrary to popular belief, almonds are not a water-efficient crop.

They require a staggering amount of water to grow. According to a study by the University of California, growing a single almond takes approximately 3.2 gallons (12 liters) of water. A single almond requires more water than any other nut or crop. To put this into perspective, let’s consider a typical serving size of almonds, around 23 nuts. Dig out to learn more learn about it.

How much water does it take to grow an almond? 

How Much Water Does It Take to Grow an Almond

Prepare to be astonished by the surprising water demand of a single almond’s growth. In a 2017 study published by Science Direct, an almond cultivated in California emerges with an average “water footprint” of 12 liters, equivalent to 3.2 gallons. This substantial figure might catch you off guard, given the minuscule size of an individual almond. The concern deepens as we contemplate the prolonged droughts that often afflict the Golden State.

The predicament is intensified by the ongoing drought in California, which has been enduring a multi-year dry spell, as affirmed by the National Integrated Drought Information System (NIDIS). In this arid context, the agricultural sector’s impact looms large.

California endured a staggering 376-week megadrought from 2011 to 2019. Given that numerous almond milk brands rely heavily on almonds, predominantly sourced from California, the repercussions ripple across the Golden State.

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Do almonds require more water compared to other fruits?

Do almonds require more water compared to other fruit

The myth that almonds are the most water-intensive crop in California is based on a misleading comparison of the overall agriculture sector. Almond production requires substantially less water per acre than many other crops grown in California.

In fact, almonds require roughly half the water needed to grow apples, bananas, avocados, broccoli, cauliflower, cherries, dates, grapes, lettuce, onions, oranges, peaches, pears, plums, potatoes, spinach, strawberries, tomatoes, turnips, wheat, and zucchini.

In addition, almond trees typically do not receive supplemental irrigation during dry periods. Watering almonds is generally done to maintain consistent moisture levels within the soil surrounding the roots rather than to increase yield.

When comparing agricultural water consumption to the nutritional value of foods, however, there is no single metric that captures both.

One way to look at it is to compare pounds of food required to produce one pound of meat, milk, or eggs versus pounds required to make one pound of almonds. 

On average, almonds contain 60% more protein per ounce than eggs and nearly twice the fat. They also provide a significant portion of dietary fiber.

Sing of overwatering almond:

It’s impossible to overwater almonds since they need so much water. However, you can tell if your tree is overwatered if the soil surrounding it is constantly wet or swampy. Your almond tree’s health will begin to deteriorate after being exposed to waterlogged soil for a long time.

Wet soil and swampy conditions indicate the overwatering of your almond tree. The leaves of an almond tree that are yellowing or light-colored show signs of overwatering. An overwatered almond tree easily breaks off leaves and stems.

Overwatering will result in a lighter, yellowish foliage color on your almond tree. Besides being fragile, the foliage can easily break off if it’s overwatered. You can avoid overwatering your almond tree by examining its roots and leaves.

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What Are the Signs That an Almond Tree Needs Water?

Recognizing the signs that an almond tree requires water is crucial for ensuring its health and productivity. Almond trees, like all plants, exhibit specific indicators when they’re thirsty. Here are some key signs to look for:

  1. Wilting Leaves: One of the most evident signs of water deficiency is wilting leaves. Almond tree leaves may droop, curl, or appear limp when the tree lacks adequate moisture.
  2. Leaf Yellowing: If the leaves of the almond tree start turning yellow or even brown at the edges, it can be a sign of water stress. This discoloration is a result of reduced water availability affecting the leaf cells.
  3. Leaf Drop: When an almond tree is parched, it may shed its leaves prematurely as a survival mechanism. Watch for an unusual amount of leaf drop outside of the normal seasonal shedding.
  4. Dry and Cracked Soil: Inspect the soil around the almond tree’s base. If the soil appears dry, hardened and cracked, it indicates that the tree lacks water.
  5. Shriveled Fruit: In almond trees, inadequate water can lead to fruit shriveling before it matures. This phenomenon, known as “kernel abortion,” is the tree’s way of prioritizing its limited resources.
  6. Slow Growth: Stunted growth or slowed development of new shoots and leaves can signal water stress. Almond trees needing water often allocate their energy to preserving existing growth rather than producing new growth.
  7. Dull or Drooping Appearance: An overall lackluster or drooping appearance of the tree can indicate water deficiency. This may extend to diminished flower or fruit production as well.
  8. Sunburn on Leaves: Almond trees without sufficient water may exhibit sunburn on their leaves. This occurs when the leaves lose their ability to regulate moisture and temperature, becoming more susceptible to heat damage.
  9. Increased Pest Activity: Water-stressed almond trees can become more vulnerable to pests and diseases. Stress weakens the tree’s defenses, inviting infestations that further compromise its health.
  10. Concentration of Sap: If the almond tree produces concentrated or darker sap, it might be under stress due to inadequate water supply.

Remember that individual trees can have varying water needs based on their age, size, and location. Monitoring your almond trees regularly and adjusting your watering regimen based on observed signs of water stress will help ensure their vitality and productivity.

Sustainable Water Practices in Almond Farming

Almond farming, a vital component of agriculture, has been the subject of intense scrutiny due to its water consumption. Sustainable water practices have gained prominence within the industry to address concerns and ensure the long-term viability of almond cultivation. These practices aim to balance producing this nutritious nut and responsibly managing water resources. Here are some key sustainable water practices adopted in almond farming:

  1. Efficient Irrigation Techniques: Almond growers embrace advanced irrigation systems that minimize water wastage. Drip irrigation and micro-sprinkler systems deliver water directly to the root zone, reducing evaporation and runoff. Additionally, precision irrigation technologies help tailor water delivery to the specific needs of each tree.
  2. Water Monitoring and Management: Monitoring tools such as soil moisture sensors and weather forecasts allow farmers to decide when and how much to irrigate. By closely tracking water usage, growers can optimize irrigation schedules and avoid over-watering.
  3. Regenerative Farming Practices: Almond farmers are exploring regenerative agriculture techniques that enhance soil health and water retention. Cover cropping, reduced tillage, and adding organic matter improves soil structure, minimizing water runoff and increasing water-holding capacity.
  4. Crop Selection and Rotation: Implementing diverse crop rotations and integrating drought-resistant cover crops helps maintain soil fertility and moisture balance. This reduces the demand for excessive irrigation and promotes sustainable water use.
  5. Water-efficient Varieties: Almond orchards are transitioning to more water-efficient almond varieties. These varieties are bred to thrive in specific climates, requiring less water to produce a healthy crop.
  6. Almond Orchard Management: Pruning and managing tree density helps control the amount of water each tree requires. Proper spacing ensures ample sunlight penetration and airflow, reducing disease pressure and minimizing water loss due to overcrowding.
  7. Tailored Fertilization: Precision nutrient management ensures that almond trees receive the nutrients they need without excess runoff, which could lead to water pollution.
  8. Research and Innovation: The almond industry invests in research and development to discover innovative water-saving technologies and farming practices. This continuous pursuit of knowledge contributes to ongoing improvements in water efficiency.

As almond farming navigates the challenges of water scarcity and sustainability, these practices underscore the industry’s commitment to responsible water stewardship. By embracing these strategies, almond growers aim to balance the nutritional benefits of almonds with the conservation of precious water resources, ensuring a resilient and sustainable future for both agriculture and the environment.

Frequently Asked Questions

1. How does water consumption vary during different stages of almond tree growth?

Water consumption varies depending on the stage of almond tree growth. Young trees require less water, while mature trees need more water to support their fruit production.

2. How does the climate affect water requirements for almond tree cultivation?

The climate plays a significant role in determining water requirements for almond tree cultivation. In drier and hotter climates, more water is needed to compensate for evaporation and to meet the tree’s water needs.

3. Can I overwater my almond tree?

Yes, overwatering can be detrimental to almond trees. Waterlogged soil can suffocate the roots and lead to root rot. Always check the soil moisture before watering and avoid excessive irrigation.

4. Are there specific signs of overwatering almond trees?

Yes, signs of overwatering include yellowing leaves, leaf drop, and soggy or foul-smelling soil. Almond trees struggling with excess water may display symptoms similar to water deficiency, making it important to monitor soil conditions closely.

5. How often should I water my almond tree?

Almond trees need regular, deep watering. During the growing season (spring and summer), water them every 1-2 weeks, depending on weather conditions. Ensure the water penetrates at least 18 inches into the soil.


Watering almond trees demands a delicate balance between providing adequate moisture and preventing water-related issues. Understanding the signs of both water deficiency and excess is crucial for maintaining the health and productivity of these trees. Regular observation, adjusting watering schedules based on climate, and ensuring proper drainage will go a long way in nurturing thriving almond trees that yield bountiful harvests. Remember, each tree is unique, so attentiveness to their needs will result in the best outcomes for your almond orchard.


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