Timing The Revival: Zoysia Grass Emergence From Dormancy

Quick Answer: Zoysia grass typically comes out of dormancy in the spring when soil temperatures reach around 70 degrees Fahrenheit consistently.

Spring is finally here, and with it comes the anticipation of witnessing our lawns transform from a dull, brown color to a lush green carpet. If you have zoysia grass in your yard, you may be wondering when exactly this beautiful grass will come out of dormancy. Well, the wait is almost over!

Zoysia grass, like many warm-season grasses, goes through a dormant period during the colder months. This is a natural survival mechanism that allows the grass to conserve energy and withstand harsh temperatures. However, once the soil starts to warm up and reach a consistent temperature of around 70 degrees Fahrenheit, zoysia grass begins to wake up from its slumber.

As spring progresses and the days become longer and warmer, you will notice your zoysia grass gradually coming back to life. The once dormant turf will start showing signs of growth, with new shoots and leaves emerging from the ground. It’s a truly remarkable transformation!

So, if you’ve been eagerly waiting for your zoysia grass to come out of dormancy, hang in there a little longer. Spring is just around the corner, and soon your lawn will be thriving with vibrant, green grass that is both durable and visually appealing.

Timing the Revival: Zoysia Grass Emergence from Dormancy

When does Zoysia Grass come out of Dormancy?


Zoysia grass is a warm-season grass variety that goes into dormancy during the cooler winter months. It becomes brown and dormant during this period, conserving energy and preparing for new growth in the spring. If you have a Zoysia lawn or are planning to install one, it’s important to know when Zoysia grass comes out of dormancy so you can properly care for it and help it thrive.

The Dormancy Period

During the dormant period, which typically starts when temperatures drop below 55°F (12°C), Zoysia grass enters a state of rest. It stops growing and turns brown, giving the appearance that it is dead. However, this dormancy is a natural survival mechanism for the grass and doesn’t indicate permanent damage. Zoysia grass is known for its ability to withstand harsh conditions, including extreme cold, and it will rebound once favorable conditions return.

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Factors Affecting Dormancy Break

The exact timing of when Zoysia grass comes out of dormancy can vary based on several factors. These include:

1. Geographic Location: Zoysia grass varieties have different growth patterns depending on their native regions. Different locations experience varying winter temperatures and lengths, which directly impact dormancy periods.
2. Temperature: Zoysia grass begins to break dormancy when soil temperatures consistently reach and stay around 70°F (21°C) for an extended period. Air temperatures also play a role but are less influential than soil temperatures.
3. Daylight Duration: Longer daylight hours and increased sunlight have a stimulating effect on dormant Zoysia grass and encourage it to emerge from dormancy.
4. Soil Moisture: Adequate soil moisture is crucial for Zoysia grass to break dormancy successfully. Dry soil slows down the process, while moist soil promotes growth.

Regional Dormancy Breakdown

Zoysia grass has different dormancy and growth patterns across various regions in the United States. Here is a breakdown of when Zoysia grass typically comes out of dormancy in different parts of the country:

Southern States

Zoysia grass varieties, such as Zoysia japonica, Zoysia matrella, and some Zoysia hybrids, thrive in the southern states where temperatures are milder throughout the year. In these areas, Zoysia grass is unlikely to go fully dormant, but it may experience slow growth during the winter. It starts to come out of dormancy earlier compared to northern regions.

Dormancy Break: Late February to early March

Mid-Atlantic and Transition Zone

In the Mid-Atlantic states and the Transition Zone, which lie between the cooler Northern regions and the warmer Southern states, Zoysia grass will experience a more prolonged dormancy period. The transition from dormancy to active growth occurs slightly later.

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Dormancy Break: Early to mid-April

Northern Regions

In the northern regions of the United States, where temperatures drop significantly during the winter, Zoysia grass goes into a deep dormancy. It takes longer for the grass to break dormancy due to the colder climate.

Dormancy Break: Late April to early May

Caring for Zoysia Grass during Dormancy Break

While Zoysia grass is breaking dormancy, it requires proper care to ensure healthy growth and development. Here are some essential tips to follow during this period:

1. Clear Debris: Remove any leaves, twigs, or other debris from the lawn to allow sunlight and air to reach the grass.
2. Gentle Raking: Engage in light raking to remove any dead grass or thatch accumulated during dormancy.
3. Avoid Heavy Traffic: Limit foot traffic on the lawn as the grass is still in the early stages of growth and may be sensitive.
4. Gradual Mowing: Start mowing gradually as the grass begins to grow, ensuring you don’t remove more than one-third of the blade height at a time.
5. Watering: Monitor soil moisture levels and water when necessary, aiming for about one inch of water per week.
6. Fertilization: Apply a slow-release nitrogen fertilizer during the initial stages of dormancy break to support healthy growth.

Understanding when Zoysia grass comes out of dormancy is crucial for providing proper care and maintenance. Depending on the geographic location and specific variety of Zoysia grass, the dormancy break can occur at different times. By following the recommended care practices during this period, you can ensure your Zoysia grass thrives and regains its lush green color, providing you with a beautiful lawn throughout the warmer months.

Zoysia Grass Semi-Dormant In Oregon!

Frequently Asked Questions

When does Zoysia grass come out of dormancy?

Zoysia grass typically comes out of dormancy in late spring or early summer, once the soil temperature consistently reaches around 70 degrees Fahrenheit or higher.

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What are the signs that Zoysia grass is coming out of dormancy?

As Zoysia grass emerges from dormancy, you will notice new green shoots appearing in the lawn. The grass blades will start to grow longer and regain their vibrant color.

How long does it take for Zoysia grass to fully come out of dormancy?

The time it takes for Zoysia grass to completely come out of dormancy can vary depending on various factors such as the specific Zoysia variety, temperature, and weather conditions. Generally, it can take a few weeks for the grass to fully transition from dormant to actively growing.

Can I accelerate the process of Zoysia grass coming out of dormancy?

While you cannot control or speed up the natural dormancy period of Zoysia grass, you can promote its transition out of dormancy by ensuring proper lawn care practices. This includes regular watering, providing adequate fertilization, and mowing at the appropriate height.

Should I be concerned if Zoysia grass is slow to come out of dormancy?

It is not uncommon for Zoysia grass to exhibit a slower transition out of dormancy compared to other grass types. As long as the grass shows some signs of growth and has received proper care, there is usually no need for concern. Patience and consistent lawn maintenance will allow the grass to fully come out of dormancy in due time.

Final Thoughts

Zoysia grass typically comes out of dormancy in the late spring or early summer when soil temperatures reach around 70-80°F. During dormancy, the grass appears brown and inactive, but once the soil warms up, it starts to regenerate and turn green again. This period of dormancy allows the grass to conserve energy during colder months and bounce back with renewed growth when conditions are favorable. So, if you’re wondering when zoysia grass comes out of dormancy, keep an eye on the soil temperature as it’s the key factor determining its awakening.