DecorativeGround Covers

Growing Guide for Perennial Peanuts

perennial peanut

Growing perennial peanut, scientifically known as Arachis glabrata, can be an exciting venture for garden enthusiasts of all levels. Its lush, green carpet-like appearance and low-maintenance nature make it a valuable addition to your garden or landscape.

Whether you’re an experienced gardener or just starting your journey, cultivating perennial peanut is a satisfying endeavor that provides numerous benefits.

Are you wondering how to grow and care for this versatile ground cover plant? You’re in the right place. We’ll walk you through the essential steps and considerations to ensure your perennial peanut thrives, so you can enjoy its beauty without a hitch.

So, let’s get started on this adventure as we unlock the secrets of growing and maintaining perennial peanut. From ideal growing conditions to caring and maintenance, we’ve got you covered.

By the end of this guide, you’ll be equipped with the knowledge and confidence to cultivate a vibrant perennial peanut ground cover that enhances your outdoor space. Let’s dig in!

Growing Conditions

Growing perennial peanuts successfully begins with understanding their ideal growing conditions. These conditions are the foundation for a thriving and resilient ground cover that can enhance your garden or landscape. Let’s explore the key factors that contribute to the health and vigor of perennial peanuts.


Perennial peanuts thrive in warm climates, primarily falling within USDA hardiness zones 8 to 11. These regions offer the ideal temperature range for perennial peanuts to flourish. They appreciate mild winters and hot, humid summers, making them well-suited for areas where frost is a rare occurrence.

In zones 8 to 11, the ground doesn’t freeze during the winter months, which is advantageous for perennial peanuts as they remain evergreen throughout the year. If you live in a cooler climate, consider planting perennial peanuts as annual ground cover or in containers that can be brought indoors during the winter.

Arachis glabrata
Arachis glabrata


Sunlight plays a crucial role in the growth of perennial peanuts. While they can tolerate some shade, they truly thrive when exposed to full sun to partial shade. Providing them with at least 6 to 8 hours of direct sunlight daily ensures vigorous growth and a dense carpet-like appearance.

When planning where to plant your perennial peanuts, choose a location that receives adequate sunlight throughout the day. Avoid areas with dense tree cover or structures that may block sunlight, as this can hinder their growth and spread.


Well-draining soil is essential for the health of perennial peanuts. They prefer soil that is slightly acidic to neutral, typically with a pH level between 5.8 and 6.5. Proper drainage is crucial to prevent waterlogged roots, which can lead to root rot and other issues.

Before planting perennial peanuts, test your soil’s pH and drainage. If needed, amend the soil with organic matter like compost to improve its structure. Additionally, ensure that water can drain away from the planting area to prevent standing water during heavy rains.


Perennial peanuts exhibit remarkable drought tolerance once they are established. However, during their initial establishment phase, they benefit from regular watering. Water deeply but infrequently to encourage deep root growth, which contributes to their resilience during dry periods.

When planting perennial peanuts, be diligent about watering for the first few months until they have formed a dense ground cover. Once established, they require less frequent irrigation, making them an eco-friendly choice for regions with limited water resources.

Caring and Maintenance

Caring for perennial peanuts extends beyond the initial planting phase, encompassing various aspects of their care and upkeep. To ensure these ground covers thrive and provide the lush green carpet effect you desire, it’s essential to pay attention to the following key practices and tasks:


When it comes to planting perennial peanuts, timing and spacing are critical factors. Optimal planting time is in the spring or early summer when the soil has warmed up. This allows the plants to establish themselves during the growing season. Proper spacing is equally important, with perennial peanuts ideally placed about 12 to 18 inches apart. 

Adequate spacing provides room for them to spread and create a dense carpet-like cover, preventing overcrowding and promoting healthy growth.

Perennial peanuts Source: Malcolm Manners


Regular pruning or mowing is essential for maintaining the appearance and health of perennial peanuts. Keeping the ground cover at a height of 2 to 3 inches is the key to preserving its carpet-like aesthetic and preventing it from becoming excessively leggy. 

Pruning or mowing can be performed as needed, typically every 2 to 4 weeks during the growing season, though the frequency may vary based on growth rates and aesthetic preferences.


Fertilizing perennial peanuts plays a vital role in promoting their growth and overall health. These low-maintenance ground cover plants don’t require heavy fertilization, but providing them with some essential nutrients can be beneficial.

To ensure your perennial peanuts receive the nutrients they need, apply a balanced, slow-release fertilizer in the spring. 

This timing aligns with the start of their growing season and helps kickstart their growth. Be sure to follow the manufacturer’s instructions on the fertilizer package regarding application rates.

Over-fertilizing should be avoided, as these plants are generally content with modest nutrient supplementation. By adhering to the recommended rates, you can support robust and healthy growth in your perennial peanut ground cover.


Mulching is generally unnecessary for established perennial peanuts but can be beneficial during the establishment phase. Mulch serves to conserve soil moisture, suppress weeds, and regulate soil temperature.

While mature perennial peanuts tend to crowd out most weeds, mulching can still be advantageous in areas where they are still spreading. 

Choose organic mulch like wood chips or straw and apply it around the base of the plants, taking care to leave a gap around the stems to prevent rot.


Propagating perennial peanuts offers the opportunity to expand your ground cover or share it with fellow gardeners. Division is the primary method for propagating these plants, and it’s best done in the spring or early summer when they are actively growing.

To propagate, simply dig up a clump of perennial peanuts and separate it into smaller sections with roots intact. These sections can then be replanted in new areas to extend your ground cover or shared with others interested in this low-maintenance and visually appealing plant.

By adhering to these care and maintenance practices, you’ll be well-prepared to nurture a thriving perennial peanut ground cover that not only enhances your garden or landscape’s beauty but also provides valuable benefits like nitrogen fixation and erosion control.

Pests and Diseases

As you cultivate your perennial peanut ground cover, it’s essential to be mindful of potential pests and diseases that can affect their health and appearance. Vigilance and proactive measures can help you avoid and manage these issues effectively. In this section, we’ll explore common problems and how to protect your perennial peanuts.

Common Pests

While perennial peanuts are generally resilient, they may occasionally encounter a few pesky visitors:

Armyworms and Caterpillars: These hungry critters can sometimes nibble on the leaves of your perennial peanut plants. Fortunately, they are relatively easy to manage. If you spot them, you can handpick them from your plants or use appropriate insecticides to keep their numbers in check.

Nematodes: In certain regions, nematodes, microscopic worms that can harm plant roots, may be a concern. To tackle this issue, consider practicing crop rotation and selecting perennial peanut varieties that are resistant to nematodes. These measures can help keep these underground pests at bay, preserving the health of your ground cover.

Common Diseases

Despite their hardy nature, perennial peanuts may occasionally face some common diseases:

Leaf Spot: Leaf spot, a fungal disease, can appear during periods of high humidity. To ward off this issue, ensure good air circulation around your plants by maintaining proper spacing. Additionally, avoid overhead watering, as damp foliage can create an environment conducive to fungal growth.

Root Rot: Poor soil drainage can lead to root rot, a condition where the plant’s roots become damaged and rotted. To prevent root rot, make sure your soil drains well and does not become waterlogged. Adequate soil drainage and moderation in watering can help your perennial peanuts steer clear of this problem.

By remaining vigilant and applying these preventative measures, you can safeguard your perennial peanut ground cover from potential threats. This proactive approach ensures that your garden or landscape remains adorned with the lush, green beauty of perennial peanuts, allowing you to enjoy their resilience and visual appeal year after year.


Perennial peanuts (Arachis glabrata) offer a delightful combination of aesthetic charm and environmental benefits for garden enthusiasts of all levels. These versatile ground cover plants thrive in warm climates, providing a lush, green carpet-like appearance that enhances the beauty of your outdoor space. Moreover, they contribute to sustainability through nitrogen fixation and erosion control.

Throughout this guide, we’ve explored the ideal growing conditions for perennial peanuts, including climate, sunlight, soil, and water requirements, ensuring they flourish in your garden or landscape.

We’ve also delved into crucial care and maintenance practices such as planting, pruning, fertilizing, mulching, and propagation, all of which play a pivotal role in nurturing vibrant and resilient ground cover.

In addition to cultivation, we’ve discussed essential measures to protect perennial peanuts from common pests like armyworms, nematodes, and diseases such as leaf spot and root rot. Vigilance and proactive efforts are key to preserving the health and appearance of your perennial peanut ground cover.

By incorporating these insights into your gardening routine, you can relish the enduring beauty and sustainable advantages of perennial peanuts. Happy gardening!

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