How To Plant St Augustine Grass Plugs [ Full Guide ]

September 9, 2024
/ Planting Tips

St. Augustine grass is a popular warm-season turfgrass known for its lush and vibrant green appearance, making it a sought-after choice for lawns in warmer climates. Planting St. Augustine grass plugs is a cost-effective and efficient method for establishing a new lawn or refurbishing an existing one. This method allows for the grass to spread and fill in an area, creating a uniform and attractive turf. In this comprehensive guide, we will delve into the step-by-step process of planting St. Augustine grass plugs to ensure a successful establishment of a healthy and beautiful lawn.

Quick Answer: How To Plant St Augustine Grass Plugs

Planting St. Augustine grass plugs involves the following steps:

Choose the Right Time: Ideally, plant St. Augustine grass plugs during the active growing season, which is typically in late spring or early summer.
Prepare the Soil: Ensure the soil is well-prepared by tilling, leveling, and amending it for optimal growth conditions.
Select Healthy Plugs: Acquire high-quality St. Augustine grass plugs from a reputable source or grow them yourself under favorable conditions.
Plant the Plugs: Dig holes at appropriate intervals, place the plugs, and ensure they are firmly pressed into the soil.
Water and Maintain: Water the plugs thoroughly after planting and continue with a proper watering and maintenance routine for successful establishment and growth.

Now, let’s explore each of these steps in detail to understand the intricacies of planting St. Augustine grass plugs for a thriving lawn.

Choosing The Right Time For Planting St. Augustine Grass Plugs

Timing is crucial when it comes to planting St. Augustine grass plugs. Choosing the appropriate time ensures that the plugs have the best chance of establishing and thriving in their new environment. It’s advisable to plant St. Augustine grass plugs during the active growing season, which typically falls in late spring or early summer. This timing allows the plugs to take advantage of the favorable growing conditions and establish themselves before the arrival of harsh weather conditions.

Planting St. Augustine grass plugs during the active growing season provides them with the necessary warmth, sunlight, and moisture to aid in their initial establishment. It’s important to avoid planting the plugs during the dormant season, as the grass may struggle to take root and establish itself in unfavorable conditions. Additionally, planting during the active growing season gives the plugs ample time to develop a robust root system, which is essential for their long-term survival and growth.

It’s worth noting that the specific timing for planting St. Augustine grass plugs may vary slightly depending on the local climate and weather patterns. Therefore, it’s advisable to consult with local horticultural experts or extension offices to determine the optimal planting window for St. Augustine grass in a particular region.

Preparing The Soil For Successful Plug Establishment

Preparing the soil is a critical step in ensuring the successful establishment of St. Augustine grass plugs. Well-prepared soil provides an optimal environment for the plugs to develop strong roots, access essential nutrients, and thrive. Here’s a detailed guide on how to prepare the soil for planting St. Augustine grass plugs:

Soil Testing

Before preparing the soil, it’s beneficial to conduct a soil test to assess its pH level and nutrient content. A soil test helps determine whether the soil requires any amendments to create an ideal growing environment for the St. Augustine grass plugs. Soil testing kits are readily available at garden centers or through local agricultural extension offices. Once the test results are available, they can guide the soil amendment process to ensure the plugs have access to the necessary nutrients for healthy growth.

Tilling And Leveling

Begin the soil preparation process by tilling the area where the St. Augustine grass plugs will be planted. Tilling helps loosen compacted soil, improves drainage, and creates a suitable medium for root penetration. Remove any debris, rocks, or weeds that may hinder the growth of the plugs. After tilling, proceed to level the soil surface using a garden rake to create a smooth and even terrain for planting the plugs.

Soil Amendments

Based on the results of the soil test, consider incorporating soil amendments to address any deficiencies and create an optimal growing environment. Common soil amendments for St. Augustine grass include organic matter such as compost or well-rotted manure, which improve soil structure, fertility, and water retention. Additionally, applying a balanced fertilizer according to the recommendations from the soil test can provide the necessary nutrients for the plugs’ initial growth. Mix the amendments thoroughly into the soil to ensure uniform distribution and maximum benefit for the plugs.

Soil Moisture

Prior to planting the St. Augustine grass plugs, it’s essential to ensure that the soil has the appropriate moisture content. The soil should be moist but not waterlogged, as excessively wet conditions can hinder the plugs’ establishment. Adequate soil moisture creates a conducive environment for the plugs to develop strong root systems and establish themselves effectively.

By meticulously preparing the soil and addressing any deficiencies through soil testing and appropriate amendments, the stage is set for the successful establishment of St. Augustine grass plugs.

Selecting Healthy Plugs For Planting

The selection of high-quality St. Augustine grass plugs is crucial for ensuring the success of the planting process and the subsequent growth of a healthy, vibrant lawn. When choosing plugs for planting, it’s essential to prioritize their health, vigor, and suitability for the intended growing conditions. Here’s a comprehensive guide to selecting healthy St. Augustine grass plugs for optimal results:

Source Of Plugs

Acquiring St. Augustine grass plugs from a reliable and reputable source is imperative to ensure their quality and viability. Trusted nurseries, garden centers, or reputable online suppliers are ideal sources for procuring healthy plugs. When obtaining plugs from a nursery or garden center, look for those that have been well-maintained and are free from any signs of stress, disease, or damage. Additionally, seek information about the specific St. Augustine grass cultivar to ensure that it is well-suited for the local climate and soil conditions.

Visual Inspection

Conduct a thorough visual inspection of the St. Augustine grass plugs before purchasing or planting them. Healthy plugs should exhibit vibrant green color, robust growth, and dense foliage. Avoid selecting plugs that show signs of wilting, discoloration, pest infestations, or any other indicators of stress. Furthermore, examine the roots of the plugs to ensure they are well-developed, white, and free from rot or damage, as strong, healthy roots are essential for successful establishment and growth.

Growing Plugs

Alternatively, growing St. Augustine grass plugs from sod or sprigs under favorable conditions can be a cost-effective and rewarding approach. This method allows for greater control over the quality and health of the plugs, as well as the opportunity to observe their growth and development from the early stages. If opting to grow plugs from sod, cut them into uniform pieces, ensuring that each plug contains a healthy grass runner and an adequate root system. Properly cared for sprigs can also be cultivated into healthy plugs for planting, provided they are given the appropriate attention and care.

By diligently selecting high-quality St. Augustine grass plugs, whether from a reputable source or through personal cultivation, the foundation is laid for successful and robust lawn establishment.

Planting St. Augustine grass plugs is a rewarding endeavor that can lead to the development of a lush, vibrant lawn. By choosing the right time for planting, preparing the soil meticulously, and selecting healthy plugs, the stage is set for the successful establishment and growth of St. Augustine grass. Ensuring that the plugs are planted during the active growing season and that the soil is well-prepared with adequate moisture and nutrients sets the foundation for their successful establishment.

Selecting high-quality plugs from reputable sources or growing them under favorable conditions ensures that the newly planted St. Augustine grass has the best chance of thriving. By following these comprehensive steps and providing the necessary care and maintenance, individuals can enjoy the beauty and resilience of a well-established St. Augustine grass lawn for years to come.

Measuring And Marking The Planting Area

St. Augustine grass is a popular choice for lawns in warmer climates due to its ability to thrive in hot and humid conditions. While planting St. Augustine grass from seeds can be a time-consuming process, using plugs is a quicker and more efficient method.

Before you start planting St. Augustine grass plugs, it is important to measure and mark the area where you want the grass to grow. This will help you determine the number of grass plugs you will need. It is recommended to space the plugs 6-12 inches apart to allow enough room for each plug to spread and grow.

Once you have measured and marked the area, clear any existing vegetation or weeds, as the plugs will need direct contact with the soil for proper growth. You can use a rake or a tiller to remove any debris and loosen the topsoil.

Digging The Holes For The Plugs

The next step is to dig holes for the grass plugs. The holes should be deep enough to accommodate the roots of the plugs and allow for proper soil contact. The depth of the holes should be around 2-3 inches, depending on the size of the plugs.

To ensure proper spacing and alignment, you can use a string or a straightedge to mark the rows where the plugs will be planted. Start at one end of the marked area and dig the first hole using a trowel or a bulb planter. The hole should be slightly wider than the plug to allow for easy installation.

Once the first hole is ready, insert a St. Augustine grass plug into the hole, making sure the crown (the part where the leaves meet the roots) is level with or slightly above the surface of the soil. Gently press down on the surrounding soil to secure the plug in place.

Repeat this process for each hole, ensuring that the plugs are evenly spaced and aligned with the marked rows. Take care not to overcrowd the plugs, as this can hinder their growth and increase the risk of disease.

Watering And Fertilizing Techniques For St. Augustine Grass Plugs

Watering is crucial for the establishment of St. Augustine grass plugs. Immediately after planting the plugs, thoroughly water the area to settle the soil and eliminate any air pockets around the roots. A deep watering will encourage the roots to grow downward, promoting a stronger and healthier lawn.

For the first few weeks after planting, it is important to water the plugs daily to keep the soil consistently moist. Avoid overwatering, as this can lead to shallow root growth and susceptibility to disease. Instead, aim for deep and infrequent watering, allowing the top inch of soil to dry out between waterings.

Once the plugs have established and started to show signs of new growth, you can reduce the frequency of watering to 1-2 times per week. However, continue to water deeply to encourage deeper root growth and drought tolerance.

Fertilization is also essential for the health and growth of St. Augustine grass plugs. Before planting the plugs, it is recommended to incorporate a slow-release fertilizer into the soil according to the package instructions. This will provide the plugs with the necessary nutrients for initial growth and establishment.

After planting, wait for about 3-4 weeks before applying a balanced fertilizer with a ratio of 16-4-8 or similar. Apply the fertilizer according to the package instructions, taking care not to over-fertilize, as this can burn the grass. Apply the fertilizer evenly across the planting area, making sure to water it in well afterward.

Throughout the growing season, it is beneficial to apply a slow-release fertilizer every 6-8 weeks to maintain the health and vigor of the St. Augustine grass. Regular fertilization will promote green and lush growth, as well as enhance the grass’s ability to withstand stress and recover from damage.

Proper Spacing For Plug Placement

Proper spacing of St. Augustine grass plugs is essential for their healthy growth and overall lawn appearance. Each plug should have enough space to spread and fill in the gaps between neighboring plugs, resulting in a thick and uniform lawn.

As mentioned earlier, it is recommended to space the plugs 6-12 inches apart, depending on the specific variety of St. Augustine grass you are planting. Spacing the plugs too closely together can lead to overcrowding, restricting air circulation and increasing the risk of disease. On the other hand, spacing them too far apart can result in bare patches and uneven growth.

To ensure the correct spacing, you can place a flag or a stake at regular intervals along the planting rows, indicating the distance between each plug. This will serve as a guide while planting, allowing you to maintain consistent spacing throughout the process.

Planting St. Augustine grass plugs is an effective way to establish a lush and healthy lawn in a shorter period of time. By measuring and marking the planting area, digging the right-sized holes, watering and fertilizing properly, and spacing the plugs adequately, you can ensure the successful growth and establishment of your St. Augustine grass.

Remember to water the plugs regularly and deeply during the establishment phase, gradually reducing the frequency as they grow and develop. Fertilize appropriately to provide the necessary nutrients for healthy growth and maintain the lawn's vigor throughout the season. With proper care and maintenance, your St. Augustine grass plugs will thrive, resulting in a beautiful and enjoyable lawn for years to come.

Planting The Plugs: Step-by-step Instructions

St. Augustine grass is a popular choice for lawns due to its ability to thrive in warm and humid climates. One of the most common methods of establishing a St. Augustine lawn is by planting plugs. Grass plugs are small sections of turf that are planted into the soil, which eventually spread and fill in the entire lawn area. Planting St. Augustine grass plugs can be a relatively simple process, but it requires careful attention to detail and proper care afterwards.

Before you begin planting St. Augustine grass plugs, it is important to prepare the area properly. Here are the step-by-step instructions to ensure successful planting:

Step 1: Measure The Area

Measure the area where you plan to plant the St. Augustine grass plugs. This will give you an idea of how many plugs you will need to purchase. It’s recommended to plant the plugs 6 to 12 inches apart.

Step 2: Prepare The Soil

Prepare the soil by removing any existing vegetation, weeds, rocks, and debris. Use a rake or shovel to level the soil and create a smooth surface for planting. It is also a good idea to test the pH level of the soil and make any necessary adjustments to ensure optimal growing conditions for St. Augustine grass. Aim for a pH range between 6.0 and 7.5.

Step 3: Purchase The Plugs

Purchase St. Augustine grass plugs from a reputable supplier. Make sure the plugs are healthy and free from diseases or pests. It is recommended to buy fresh plugs just before you plan to plant them to ensure they remain in good condition.

Step 4: Soak The Plugs

Before planting, soak the St. Augustine grass plugs in water for about 30 minutes. This will help hydrate the roots and reduce transplant shock.

Step 5: Dig The Holes

Use a hand trowel or a plugger to dig holes that are slightly larger than the size of the plugs. Place the plugs in the holes and press down firmly to ensure good soil-to-root contact. Make sure the plugs are level with the surrounding soil.

Step 6: Mulch The Area

Apply a layer of organic mulch around the newly planted plugs. This will help retain moisture in the soil, prevent weed growth, and provide insulation for the roots. Avoid placing mulch directly on top of the plugs to prevent suffocating them.

Step 7: Water Thoroughly

Water the newly planted St. Augustine grass plugs thoroughly after planting. This will help settle the soil around the plugs and provide them with the moisture they need to establish roots. Water deeply, but do not saturate the soil. Aim for about 1 inch of water per week during the establishment period.

Caring For Newly Planted St. Augustine Grass Plugs

Proper care is crucial for the success of newly planted St. Augustine grass plugs. Here are some important tips to follow:

Watering

Water the newly planted plugs deeply and regularly to keep the soil evenly moist during the establishment period. This typically lasts for about 4 to 6 weeks, but can vary depending on the weather and soil conditions. Avoid overwatering, as it can lead to shallow root growth and other issues. After the establishment period, water the St. Augustine lawn deeply but infrequently, aiming for about 1 inch of water per week.

Mowing

Wait until the St. Augustine grass plugs have fully rooted and established before mowing. This usually takes about 2 to 3 weeks after planting. Set the mower height to about 2.5 to 3 inches to promote healthy growth and shade out weed competition. Never remove more than one-third of the grass blade length in a single mowing to prevent stress on the grass.

Fertilizing

Apply a balanced slow-release fertilizer to the St. Augustine grass plugs about 6 weeks after planting. Follow the manufacturer’s instructions for proper application rates and timing. Avoid applying high amounts of nitrogen, as it can promote excessive growth and weaken the grass. It is generally recommended to fertilize St. Augustine grass two to four times per year, depending on the specific needs of your lawn.

Weed Control

Regularly inspect the St. Augustine grass plugs for any weeds and remove them as soon as possible. Hand-pulling or spot-treating with a herbicide labeled for St. Augustine grass can effectively control weeds. It is important to follow the herbicide manufacturer’s instructions and guidelines for application and safety.

Pest And Disease Management

Keep an eye out for any signs of pests or diseases in the St. Augustine lawn. Common pests include chinch bugs, armyworms, and sod webworms. If pests are present, use appropriate insecticides labeled for use on St. Augustine grass. Diseases such as brown patch and gray leaf spot can be managed through proper watering, mowing, and fertilization practices. If the disease persists, consult with a professional for targeted treatments.

Common Problems And How To Troubleshoot Them

While planting St. Augustine grass plugs can be a relatively straightforward process, it is not without its challenges. Here are some common problems you may encounter and how to troubleshoot them:

Uneven Growth

If you notice uneven growth of the St. Augustine grass plugs, it could be due to various factors such as uneven soil moisture, inadequate fertilization, or poor soil conditions. Make sure to water the entire area evenly and adjust the irrigation system if necessary. Ensure proper fertilization according to recommended rates and timing. Conduct a soil test to identify any nutrient deficiencies or pH imbalances in the soil, and amend as necessary.

Patchy Areas

Patchy areas in the St. Augustine lawn can be caused by poor soil preparation, inadequate sunlight, or weed competition. Before planting, make sure the soil is properly leveled and free from debris. Identify any areas that receive insufficient sunlight and consider trimming back overhanging branches or using shade-tolerant grass varieties in those areas. Control weeds effectively to prevent them from competing with the grass plugs for nutrients and water.

Pests And Diseases

Pests and diseases can pose a threat to St. Augustine grass plugs and may require targeted treatments. Regularly inspect the lawn for signs of pests such as browning or yellowing patches, chewed grass blades, or visible insects. If pests are present, use appropriate insecticides labeled for St. Augustine grass. For diseases, monitor the lawn for symptoms like brown or discolored patches, thinning grass, or fungal growth. Adjust watering practices, improve soil drainage if necessary, and consider fungicide treatments if the disease persists.

Invasive Grasses And Weeds

Invasive grasses and weeds can quickly take over a St. Augustine lawn if not addressed promptly. Common invasive grasses include Bermuda grass and crabgrass, while common weeds include dandelions, clover, and crabgrass. Regularly inspect the lawn and manually remove any invasive grasses or weeds as soon as they appear. Spot-treat with herbicides labeled for St. Augustine grass if necessary, and follow the manufacturer’s instructions for proper application and safety.

Tips For Maintaining A Healthy St. Augustine Lawn

To maintain a healthy and vibrant St. Augustine lawn, consider the following tips:

Regularly mow the grass to maintain an optimal height of 2.5 to 3 inches. Avoid scalping the lawn, as it can weaken the grass and promote weed growth.
Water deeply and infrequently, aiming for about 1 inch of water per week. This encourages deep root growth and helps the grass withstand drought conditions.
Fertilize the lawn two to four times per year with a slow-release, balanced fertilizer. Follow the manufacturer’s instructions for proper rates and timing.
Conduct a soil test every 2 to 3 years to monitor nutrient levels and pH. Amend the soil as necessary to maintain optimal growing conditions for St. Augustine grass.
Control weeds promptly by hand-pulling or spot-treating with herbicides labeled for St. Augustine grass. Avoid using broad-spectrum herbicides that can harm the grass.
Maintain proper airflow and sunlight exposure by trimming back overhanging branches and regularly removing thatch buildup.
Regularly inspect the lawn for signs of pests and diseases. Identify and treat any issues promptly to prevent further damage.
Aerate the lawn every 1 to 3 years to alleviate compacted soil and improve water and nutrient absorption.
Avoid excessive foot traffic on the lawn, especially when it is wet or dormant, as it can damage the grass.
Consider overseeding the lawn with St. Augustine grass plugs or seeds in bare or thin areas to promote a denser and healthier lawn.

Conclusion

Planting St. Augustine grass plugs can be a rewarding experience that results in a lush and vibrant lawn. By following the step-by-step instructions provided in this article and properly caring for the newly planted plugs, you can ensure their successful establishment. Regular maintenance, such as mowing, watering, fertilizing, and controlling pests and weeds, will help keep your St. Augustine lawn healthy and thriving. Remember to monitor the lawn for any problems and address them promptly to maintain a beautiful St. Augustine lawn for years to come.

FAQS

What Is The Best Time To Plant St. Augustine Grass Plugs?

The best time to plant St. Augustine grass plugs is during the late spring or early summer when the soil is warm and moist.

Can I Plant St. Augustine Grass Plugs In Any Type Of Soil?

No, St. Augustine grass grows best in well-draining soils with a pH level of 6.0-6.5. It is recommended to do a soil test before planting to ensure the pH level and nutrient content are adequate for optimal growth.

How Far Apart Should I Space The St. Augustine Grass Plugs When Planting?

For a thick and lush lawn, plant the plugs 6-12 inches apart, depending on the size of the plugs. Closer spacing will result in faster coverage.

How Often Should I Water The St. Augustine Grass Plugs After Planting?

Water the plugs immediately after planting and continue to water daily for the first 2-3 weeks. Once established, water deeply 1-2 times a week, depending on weather conditions.

How Long Does It Take For St. Augustine Grass Plugs To Establish And Fill In?

It can take 4-8 weeks for the plugs to establish and fill in, depending on planting conditions and care. Regular mowing and fertilizing can also help the grass plugs to fill in more quickly.