Australia Day Trading Hours: Monday 27-1-2025 Office Closed- No Deliveries, Tuesday 28-1-2025 Office Open - Limited Deliveries

View all posts
MIFGS2023 JasonHodges SW SG 2

By Lily Wright

January 8 2025

12 Minute(s) read

How grass grows and why it matters

A simple guide to understanding how your lawn grows

Understanding how grass grows might seem complex, but it’s simpler than you think! Whether you’re looking to improve your existing lawn, start a new one, or simply keep your yard in great shape, knowing the basics of grass growth can make all the difference. This guide will walk you through the fundamentals of grass growth, from the initial seeding to maintaining a lush, green lawn. 

 

And if you’re looking for the best turf in Victoria, we’ll gladly deliver your order right to your driveway (better yet, we’ll bring a forklift and place it right on your lawn).

For those who prefer a visual guide, check out our YouTube video on how grass grows, which complements this blog with step-by-step visuals.

 

The growth stages of grass: from seed to lush lawn

Understanding the stages of grass growth can help you maintain a healthy lawn throughout the year. Here’s a breakdown of how grass grows, from the moment you plant it to a lush, green yard:


Sowing grass seed and seed germination

Grass growth begins with sowing grass seed, where the grass seeds absorb water and start to sprout. Here’s how to get it right:


  • Prepare the soil: Loosen the top layer and remove any debris. Good soil preparation sets the foundation for healthy growth.
  • Plant grass seed: Spread the seeds evenly across the prepared soil. If you’re planting a new lawn, ensure the seeds are evenly distributed to avoid patchy growth.
  • Water regularly: Keep the soil consistently moist but not waterlogged. Watering is crucial during the germination phase to ensure the seeds sprout effectively.
  • Monitor sprouting: Watch for the first signs of green shoots, which typically appear within a week or two.

Root development and grass seedlings

Once the seeds have sprouted, the grass seedlings begin to develop roots. Strong root development is crucial for the long-term health of your grass:


  • Anchor into the soil: Roots help secure the grass, making it resilient against foot traffic and weather conditions.
  • Absorb nutrients and water: A robust root system ensures the grass gets the nutrients and water needed to flourish.
  • Tips for strong roots:
    • Aerate the soil: Helps roots grow deeper by allowing air to penetrate the soil.
    • Fertilise properly: Use the right nutrients to support root health. Check out our fertilising lawn guide for more tips.

Blade growth and photosynthesis

Once the roots are established, grass blades grow upward and begin photosynthesis, the process that gives grass its vibrant green colour:


  • Sunlight: Essential for photosynthesis; ensure your lawn receives adequate sunlight for healthy growth.
  • Water: Keeps the blades hydrated and supports overall growth.
  • Proper mowing: Mowing at the correct height encourages strong blade development and helps maintain a lush appearance.

Types of lawn grasses

Different grasses thrive in various climates, and choosing the right type for your lawn is critical to its success. Here’s a look at cool-season grass and warm-season grass to help you decide which is best for your lawn:


Cool season grasses

Cool-season grasses, such as perennial ryegrass, grow best in cooler temperatures, typically during the spring and fall. They are ideal for areas with mild winters.


  • Key characteristics:

  • Grow best in spring and fall.
  • Require less water in cooler weather.
  • Stay green longer in mild climates.

  • Maintenance tips:
    • Watering: Deep and infrequent to promote deep roots.
    • Mowing: Keep blades slightly longer to protect from heat stress.

[H3] Warm season grasses

Plant warm-season grasses, like Sir Walter Buffalo, TifTuf Bermuda, and Eureka Kikuyu grass, if you want a lawn that’ll thrive in hotter climates.

Key characteristics:

  • Grow vigorously in summer and tolerate heat well.
  • More drought-tolerant compared to cool-season grass.
  • Go dormant and may turn brown in cooler weather.

Maintenance tips:


  • Mowing: Keep at optimal height during peak growing season to encourage healthy growth.
  • Fertilisation: Regular feeding during spring and summer supports strong growth.

Specialty grasses for unique needs

For unique conditions or specific lawn requirements, specialty grasses like Sir Grange Zoysia offer low-maintenance options that thrive in various environments:


Benefits of Sir Grange Zoysia:

  • Low-maintenance and shade-tolerant.
  • Suitable for high-traffic areas.
  • Requires less mowing and watering, making it an ideal choice for busy homeowners.

Essential factors for growing healthy grass

Keep your grass healthy with balanced sunlight, water, soil quality, and regular maintenance practices. Here’s how:


Sunlight, water, and soil

Grass needs a balance of sunlight, water, and good soil quality to thrive. Here are some tips for optimising these factors:


  • Sunlight: Ensure your lawn gets at least 6 hours of direct sunlight daily.
  • Watering: Deep and infrequent watering encourages deep root growth and helps grass withstand drought.
  • Soil quality: Test your soil’s pH and adjust as necessary to maintain nutrient levels. Adding compost or organic matter can improve soil structure and fertility.

Nutrients and fertilisation

Grass relies on key nutrients to grow strong and stay green. Regular fertilisation helps replenish these nutrients and supports robust growth:

Key nutrients:

  • Nitrogen: Promotes lush, green growth.
  • Phosphorus: Supports strong root development.
  • Potassium: Enhances overall plant health and stress tolerance.

Apply fertiliser according to the needs of your grass type and growing conditions.


Weed control for a thriving lawn

Weeds compete with grass for nutrients, water, and sunlight, so keeping them under control is vital for a healthy lawn:

Effective strategies:

  • Regular mowing: Prevents weeds from flowering and spreading.
  • Proper fertilisation: A strong, healthy lawn can outcompete weeds naturally.
  • Manual removal: Pull weeds by hand or use tools to remove them from the roots.

For more information, check out our weed control guide.


Air circulation and proper mowing

Proper mowing techniques and good air circulation are crucial for maintaining a healthy lawn:

Mowing tips:

  • Mow at the right height: Each grass type has an optimal mowing height; keeping grass too short can stress it out.
  • Sharp mower blades: Sharp blades ensure clean cuts, reducing stress on the grass.
  • Avoid mowing wet grass: Wet grass can clump and lead to uneven cuts.

Explore our best practices on how and when to mow your lawn.


Planting grass seed: steps for a thriving lawn

Starting a new lawn from seed can be rewarding, but it requires the proper steps to ensure success:


How to plant grass seed

Here’s a step-by-step guide to planting grass seed effectively:

  • Prepare the area: Clear debris and loosen the soil to a few inches deep.
  • Select the best grass seed: Choose the right grass seed based on your climate and lawn conditions.
  • Sow the seeds: Spread the seeds evenly and cover lightly with a thin layer of soil or mulch.
  • Water consistently: Keep the soil moist until the seeds have fully germinated.

Sowing grass seed evenly for best results

For even growth, it’s important to sow your seeds evenly:


  • Use a spreader: A spreader ensures that seeds are distributed uniformly across the lawn.
  • Cross-seeding: Sow seeds in multiple directions to cover all areas.
  • Avoid overcrowding: Too many seeds can lead to competition and uneven growth.

Caring for newly planted lawn seed

Once your grass seed is planted, it’s essential to follow up with proper care:


  • Watering: Keep the soil moist but not saturated. Watering frequently in small amounts is ideal for newly planted seeds.
  • Mowing: Wait until the grass reaches about 3-4 inches in height before mowing for the first time. This establishes the grass seedlings properly and reduces the risk of damaging young grass.
  • Fertilisation: Lightly fertilise after the first mowing to encourage strong growth and help the grass become established. For detailed guidance, refer to our tips on how to establish new lawn.

 

 

Common challenges in growing grass and how to overcome them

Growing grass isn’t without its challenges, but with the right strategies, you can overcome common problems:

 

Dealing with patchy or dead grass

Patchy or dead grass can be frustrating, but it’s often fixable with the right approach:

  • Patchy growth: Overseed bare spots or use sod to fill in gaps to ensure even coverage across the lawn.
  • Dead grass spots: Remove the dead grass, prepare the soil, and reseed the area to restore its lush green appearance.
  • Soil compaction: If your soil is compacted, aerate the lawn to allow roots to breathe and grow deeper, which can revitalise struggling areas.

 

Protecting grass from pests and diseases

Pests and diseases can quickly damage a healthy lawn if not addressed promptly. Here’s how to keep your grass safe:

 

  • Identify common pests: Look out for signs of grubs, chinch bugs, and other common lawn pests that can damage your grass.
  • Apply pest control treatments: Use appropriate methods to control pests without harming your grass. Consider organic or targeted pest control options.
  • Prevent diseases: Proper watering, mowing, and fertilisation practices reduce the risk of fungal diseases and other issues. For more specific advice, visit our lawn pest control page.

 

Managing shade and drought conditions

Not all lawns get perfect sunlight, and drought can stress even the hardiest grasses. Here are some tips for growing grass in challenging conditions:

 

  • Shade: Use shade-tolerant varieties like Sir Grange Zoysia, which thrive with less light, and thin tree canopies to allow more light to reach the grass.
  • Drought: Choose drought-resistant grass types, like TifTuf Bermuda, and water deeply but infrequently to encourage deep root growth. Proper lawn care can help maintain grass health even during dry spells.

 

Seasonal maintenance and care tips for growing lawn

Seasonal maintenance is crucial for keeping your lawn healthy all year round. Here’s how to adjust your lawn care routine for each season:

 

Seasonal lawn care essentials

Every season brings different challenges and opportunities for lawn care. Follow these tips to keep your grass in top shape year-round:

 

  • Spring: Aerate, fertilise, and overseed to prepare for the growing season. Address any winter damage early to give your lawn a strong start.
  • Summer: Water deeply, maintain proper mowing height, and manage heat stress. Avoid cutting grass too short during hot months to protect it from sun damage.
  • Fall: Rake leaves, apply fertiliser, and overseed if needed to repair summer damage and prepare your lawn for winter dormancy.
  • Winter: Minimise foot traffic, avoid heavy mowing, and let grass grow slightly longer to protect it from frost and cold damage.
  • More seasonal tips: Explore our seasonal maintenance guide for detailed advice tailored to each time of year.

 

Preparing your lawn for extreme weather

Extreme weather conditions like intense heat or cold can impact grass health. Here’s how to prepare your lawn for these challenges:

  • Summer heat: Water in the early morning to reduce evaporation and prevent heat stress. Adjust mowing frequency to avoid scalping the grass and causing further damage.

Winter cold: Leave grass slightly taller to provide insulation. Minimise foot traffic to reduce stress on dormant grass. Using a winter fertiliser can also help the grass survive the cold months.

 

 

FAQs and additional tips for growing a beautiful lawn

Here are some common questions and additional tips to help you grow and maintain a beautiful lawn:

How can I tell if my grass is growing properly?

Look for consistent colour, uniform growth, and resilience under foot traffic. Check root depth to ensure your grass is establishing well. A healthy lawn will bounce back quickly when walked on.

Is it possible to grow grass without using seeds?

Yes, alternatives like sod, plugs, and stolons can create a lush lawn without traditional seeding methods. Consider options like Sir Walter Buffalo for instant lawn solutions that offer immediate coverage and established growth.

What’s the best way to maintain grass in high-traffic areas?

Choose durable grass varieties such as Eureka Kikuyu grass that can withstand wear and tear. Regular aeration and maintaining optimal mowing height can also help reduce compaction and promote strong growth in high-traffic zones.

How do I grow grass in difficult spots like under trees?

Use shade-tolerant varieties like Sir Grange Zoysia and ensure adequate watering. Adding a layer of compost or mulch can also help improve soil quality and moisture retention in shaded areas.

Understanding grass growth is the key to a beautiful lawn

Knowing how grass grows is essential for creating and maintaining a healthy, vibrant lawn. By following the tips in this guide, from choosing the right grass type to mastering proper care techniques, you can ensure your lawn thrives throughout every season. Remember, every lawn is unique, so tailor your approach to your specific conditions, whether it’s dealing with shade, drought, or high traffic.

 

For more personalised advice or if you need help getting started, feel free to contact Lilydale Instant Lawn. Our experts are here to help you achieve the lush, green lawn you’ve always wanted.