Easy Steps to Get Seeds from Pampas Grass

Today’s post is all about ‘How do you get seeds from pampas grass?’ You might know pampas grass as the tall plant with fluffy tops. But did you know you can get seeds from it? In this post, we’ll show you how to do just that. No matter if you’re new to gardening or have lots of experience, we’ll give you easy steps to follow. Let’s get started!

Learning About Pampas Grass Seeds

What Do Pampas Grass Seeds Look Like? Pampas grass seeds are tiny and light. They’re hidden inside the fluffy tops of the plant. Because they’re so light, the wind can carry them away to grow in new spots.

Why Grow Pampas Grass from Seeds? Growing pampas grass from seeds is a good idea for a few reasons. First, it’s how the plant grows in nature. Second, it saves you money because you don’t need to buy a new plant. And third, it’s a fun gardening project. You get to watch a tiny seed grow into a big, beautiful pampas grass plant. It’s a cool way to learn more about this plant!

When and How to Harvest Pampas Grass Seeds

Best Time for Seed Collection: The best time to collect pampas grass seeds is in late summer or early fall. This is when the seeds are fully mature and ready to be harvested.

Tools Needed for Harvesting: You don’t need many tools to harvest pampas grass seeds. A pair of garden gloves to protect your hands and a pair of sharp scissors or garden shears should be enough.

Step-by-Step Guide to Harvesting Seeds

  1. Wear your gloves: Pampas grass can be sharp, so it’s important to protect your hands.
  2. Find a mature plume: Look for a plume that’s fluffy and full. This means it’s mature and full of seeds.
  3. Cut the plume: Use your scissors or shears to cut the plume off the plant. Try to cut as close to the base as you can.
  4. Shake out the seeds: Over a container, shake the plume gently. The seeds should fall out easily.
  5. Store the seeds: Keep the seeds in a cool, dry place until you’re ready to plant them.

Drying and Storing Pampas Grass Seeds

Pampas grass seeds can be a wonderful addition to your garden, but they require proper care to ensure their viability. Here’s a simple guide on how to dry and store them:

Methods for Drying Seeds

  1. Air Drying: Spread the seeds out in a thin layer on a flat surface in a well-ventilated area. Avoid direct sunlight as it can damage the seeds. It usually takes about 1-2 weeks for the seeds to dry.
  2. Paper Bag Drying: Place the seeds in a paper bag and leave it in a dry, well-ventilated area. Shake the bag occasionally to ensure even drying.

Proper Storage Techniques to Maintain Seed Viability

  1. Cool and Dry Storage: Store the dried seeds in a cool, dry place. A temperature between 32-41°F (0-5°C) is ideal. You can use airtight containers or sealed plastic bags for storage.
  2. Refrigerator Storage: For long-term storage, you can keep the seeds in the refrigerator. Make sure the seeds are completely dry before refrigeration to prevent mold growth.
  3. Labeling: Don’t forget to label your containers with the seed type and date of storage. This will help you keep track of your seeds’ viability.

Planting Pampas Grass Seeds

Here’s a simple guide on how to plant pampas grass seeds:

Preparing the Soil

  1. Choose the Right Spot: Pampas grass prefers full sun, but it can tolerate partial shade. The soil should be well-draining.
  2. Soil Preparation: Loosen the soil to about 12 to 15 inches deep. Mix in 2 to 4 inches of compost or another form of organic matter to improve soil fertility.

Planting Instructions

  1. Sowing Seeds: Sow the seeds on the surface of the soil, spacing them about 1 to 2 feet apart. Lightly cover the seeds with soil.
  2. Watering: Water the area thoroughly after planting. Keep the soil consistently moist until the seeds germinate.

Optimal Conditions for Germination

  1. Temperature: Pampas grass seeds germinate best at temperatures between 70-75°F (21-24°C).
  2. Light: While the seeds should be covered with a thin layer of soil, they still need some light to germinate. Choose a location that gets plenty of indirect sunlight.
  3. Moisture: Keep the soil consistently moist, but not waterlogged. Overwatering can cause the seeds to rot.

Caring for Pampas Grass Seedlings

Here’s a simple guide on how to care for your pampas grass seedlings:

Watering and Sunlight Requirements

  1. Watering: Water the seedlings regularly to keep the soil consistently moist, but avoid overwatering as it can lead to root rot. Once established, pampas grass is drought-tolerant and will only need watering during dry periods.
  2. Sunlight: Pampas grass seedlings prefer full sun, but they can tolerate partial shade. Ensure they get at least 6 hours of sunlight each day for optimal growth.

Fertilization and Soil Maintenance

  1. Fertilization: Apply a balanced slow-release fertilizer in the spring to promote growth. Avoid over-fertilization as it can lead to lush foliage but poor plume production.
  2. Soil Maintenance: Pampas grass isn’t picky about soil, but it prefers well-draining soil. If your soil is heavy clay, consider amending it with compost or peat moss to improve drainage.

Protecting Seedlings from Pests and Diseases

  1. Pests: Pampas grass is relatively pest-resistant. However, keep an eye out for common garden pests like aphids and treat them with an appropriate insecticide if necessary.
  2. Diseases: Fungal diseases can be a problem, especially in wet conditions. Ensure good air circulation around your plants and avoid overhead watering to keep the foliage dry.

Alternative Propagation Methods for Pampas Grass

Apart from seeds, pampas grass can also be propagated through division. Here’s how it works and the pros and cons of each method:


  1. How it Works: Division involves digging up an established pampas grass clump and dividing it into several sections. Each section should have a piece of the root system and can be replanted to grow a new plant.
  2. Pros: Division is a quicker way to establish new plants as compared to seeds. The new plants will also be a clone of the parent plant, ensuring the same characteristics.
  3. Cons: Division can be labor-intensive and requires a mature plant. It’s also best done in late winter or early spring, which may not suit all gardeners.

Seed Propagation

  1. How it Works: As you already know, this involves harvesting seeds from the plumes of pampas grass, drying them, and then sowing them in prepared soil.
  2. Pros: Seed propagation allows you to produce a large number of plants relatively easily and inexpensively.
  3. Cons: Growing pampas grass from seeds can be a slow process. It also requires careful attention to watering and light conditions to ensure germination.

Troubleshooting Common Issues with Pampas Grass

Here are some common issues you might encounter when growing pampas grass, along with solutions and preventive measures:

Germination Problems

  1. Low Germination Rates: This can occur with older or improperly stored seeds. To avoid this, ensure your seeds are stored properly and use fresh seeds whenever possible.
  2. Cold or Drought Stress: These conditions can damage new plants. To prevent this, provide optimal growing conditions for your seeds, such as the right temperature and moisture levels.

Seedling Diseases and Pests

  1. Fungal Infections: Pampas grass can fall victim to powdery mildew, rust, and anthracnose. These issues can be avoided by providing an area with full sun, well-draining soil, and good circulation.
  2. Pests: Pampas grass is generally resistant to most pests, but aphids and mites can be an issue. If you see them, consider using insecticidal soap.

Solutions and Preventive Measures

  1. Proper Watering: Overwatering can lead to root rot and fungal infections. Ensure your pampas grass is watered appropriately, keeping the soil consistently moist but not waterlogged.
  2. Nutrient Management: Yellowing leaves can be a sign of nutrient deficiency. If you notice yellowing leaves, consider testing your soil and adjusting your fertilization practices accordingly.
  3. Regular Monitoring: Keep a close eye on your plants for any signs of disease or pest infestation. Early detection can make treatment more effective and prevent the spread of diseases and pests.


In conclusion, harvesting seeds from pampas grass is a simple yet rewarding process. By allowing the plumes to dry, carefully cutting them, and then gently shaking out the seeds, gardeners can collect these precious grains for future planting. Not only does this practice help in propagating the majestic beauty of pampas grass, but it also encourages sustainable gardening. Remember to wear protective gloves and handle the grass with care to avoid its sharp edges. With patience and the right technique, you can ensure that the elegant pampas grass continues to grace gardens and landscapes for years to come.


Here are some FAQs:

  1. What is the best time of year to harvest pampas grass seeds? Harvesting pampas grass seeds is most successful when the plumes are fully mature and have turned a light brown color, typically in late summer or early fall. This ensures the seeds are ripe and ready for collection.
  2. How can I tell if pampas grass seeds are viable? Viable seeds are usually firm to the touch and have a dark color. You can also perform a germination test by placing a few seeds on a damp paper towel to see if they sprout within a couple of weeks.
  3. Is it necessary to treat pampas grass seeds before planting? While not strictly necessary, some gardeners prefer to stratify the seeds by placing them in a moist medium in the refrigerator for a few weeks to mimic winter conditions, which can enhance germination rates.
  4. Can I propagate pampas grass without seeds? Yes, pampas grass can also be propagated through division. This involves separating a mature plant into smaller clumps and replanting them. This method is often faster and more reliable than growing from seeds.

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