Best Fast Growing Grass Seeds of 2026

Last updated on 05/04/2026
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Best Choice
1
9.8
Exceptional
Fast Growing Grass Seed UK - Multi Purpose Grass, Repairs Patches Quick - Pet Friendly & Hardwearing - 5kg - Garden Lawncare Guy
Garden Lawncare Guy

Fast Growing Grass Seed UK - Multi Purpose Grass, Repairs Patches Quick - Pet Friendly & Hardwearing - 5kg - Garden Lawncare Guy

Why we love it
  • Lush green grass quickly.
  • Repairs patches effortlessly.
  • Durable for busy families.
Main Highlights
  • LIGHTENING FAST GRASS - Get lush green grass in no time. Our fastest growing grass seed mix is your fast-track ticket to a thick carpet of grass
  • PATCH REPAIR & OVERSEEDING - Multi purpose seed fixes patches, brown spots and dog wee burns like magic. Say goodbye to the dead patchy grass and hello to your new hard wearing grass
  • SOW NEW AREAS WITH EASE - Growing your new grass is a breeze. Sow the seeds evenly, water them and watch as your green grass sprouts in just weeks. Perfect for landscaping new properties or rejuvenating empty spaces
  • FAMILY READY DURABILITY - Tough enough to endure the activities of a busy family or landscaping project. The new grass creates a sturdy, lush area that can withstand playtime and pets' antics, ensuring your outdoor space remains beautiful and resilient
  • CERTIFIED SEED - Seeds are packed in the UK by a DEFRA licensed supplier and certified for germination and purity. Packaging may vary.
9.8
Exceptional
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Best Value
2
9.7
Exceptional
Grassias Premium Hard Wearing Grass Seed – 5KG Premium Quality Lawn Seed for Overseeding & New Lawns – Pet Friendly - Perfect Grass Seeds for UK Lawns - Defra Approved Lawn Seeds
Ivisons

Grassias Premium Hard Wearing Grass Seed – 5KG Premium Quality Lawn Seed for Overseeding & New Lawns – Pet Friendly - Perfect Grass Seeds for UK Lawns - Defra Approved Lawn Seeds

Why we love it
  • Premium quality, rapid germination.
  • Recommended for high traffic areas.
  • DEFRA certified, pet friendly.
Main Highlights
  • PREMIUM THICKER LAWN WITH FAST GERMINATION – Achieve a greener, healthier lawn with Grassias Hard Wearing grass seed. This blend of grass seeds will ensure a robust lawn with strong root development.
  • IDEAL FOR LAWN REPAIR & OVERSEEDING – Whether filling in bare patch areas or thickening existing grass, this premium lawn seed mix delivers lush, uniform coverage, while also growing well in shady areas!
  • PET FRIENDLY & PREMIUM HARDWEARING – Robust and mixed to withstand heavy traffic, making it perfect for family gardens with pets and children. Also paddock and animal safe.
  • TAILORED FOR UK CLIMATE – A durable lawn seed that grows optimally and well in spring and summer! Looking for seeds designed specifically for autumn & winter? Check out our winter grass seeds with our fast growing mix!
  • AVAILABLE IN 5KG COVERS UP TO 250m² - A high-quality grass seed mix that provides excellent coverage, ensuring a dense, long-lasting lawn with minimal effort.
9.7
Exceptional
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3
9.5
Superb
Pronto Seed Premium Grass Seed 2.8 kg - Fast Growing, Hard-Wearing - Covers 168m² for Lawns & Overseeding - DEFRA Approved & Tailored for UK Climate (2.8kg)
pronto seed

Pronto Seed Premium Grass Seed 2.8 kg - Fast Growing, Hard-Wearing - Covers 168m² for Lawns & Overseeding - DEFRA Approved & Tailored for UK Climate (2.8kg)

Why we love it
  • Speedy and impressive growth results.
  • DEFRA approved, weed-resistant quality.
  • Generous coverage area.
Main Highlights
  • SPEEDY GROWTH IN JUST 7-14 DAYS – Transform your lawn fast with this quick-germinating grass seed. Lush, green coverage in no time!
  • COVERS UP TO 168m² – One 2.8kg pack rejuvenates up to 168m² when overseeding or establishes 84m² of fresh, turf-like grass from scratch.
  • HARD-WEARING & WEATHER-READY – Deep-rooted, resilient grass seed designed for the UK climate, thriving in heavy foot traffic, shade, or sun.
  • LOW MAINTENANCE – Advanced seed blend naturally helps maintain a thick, healthy lawn with less effort.
  • FRESHLY PACKED FOR MAXIMUM RESULTS – Sealed for peak freshness with a 2-3 year viability window, ensuring high germination rates. 'Sow By Year End' date printed for guaranteed quality.
  • OUR PROMISE: If you struggle with any part of the growing process, don't hesitate to contact us. Our promise is to help you until you get the results that you want.
9.5
Superb
Amazon Logo
4
9.4
Superb
Lawn UK Hardwearing Grass Seed - Sprogs & Dogs Grass Seeds Fast Growing - 2kg up to 60sqm Coverage - Ideal for Family Lawns - Super Durable Perfect for Children & Pets
Lawn UK

Lawn UK Hardwearing Grass Seed - Sprogs & Dogs Grass Seeds Fast Growing - 2kg up to 60sqm Coverage - Ideal for Family Lawns - Super Durable Perfect for Children & Pets

Why we love it
  • Ultra resilient for prolonged use.
  • Endorsed by The Independent Newspaper.
  • Quick germination assured.
Main Highlights
  • FAST GROWING GRASS SEED: Our Sprogs & Dogs grass seed mixture provides a hardwearing, quick to establish lawn. It is a great multi-purpose grass seed that utilises the benefits of the sport strength grass ingredients. Every 1kg provides to 20sqm coverage on fresh lawns & 30sqm overseeding.
  • MULTI-PURPOSE LAWN SEED: This seed pack has been developed over 10 years in order to provide you with the best hardwearing seed mixture. This Sprogs & Dogs grass-seed uses the latest grass varieties to make sure that you get the most up to date mixture.
  • PRODUCING THICK TURF: This pack contains a mixture of species such as Dwarf Ryegrass and Creeping Red Fescue to produce thick and full turf. Plant the seeds in spring or autumn for best result. Using a pre-seeding fertiliser can give an extra boost.
  • SPEEDY RESULT: Our Sprogs & Dogs germinates as quickly as 5-7 days in the right sowing conditions. Transform your lawns with amazing results when using our grass seed mixture. The seeds are also suitable for pets and children.
  • HIGHLY RECOMMENDED: Sprogs and Dogs is also recommended by the Independent Newspaper! Next day grass seed delivery available & packaging may vary depending on the size ordered.
9.4
Superb
Amazon Logo
5
9.3
Superb
Save 15%
Grassias Fast Growing Grass Seed – 1.70KG Premium Quality Lawn Seed for Overseeding & New Lawns – Hard Wearing & Pet Friendly - Perfect for UK Lawns - Winter & Defra Approved
Grasscias

Grassias Fast Growing Grass Seed – 1.70KG Premium Quality Lawn Seed for Overseeding & New Lawns – Hard Wearing & Pet Friendly - Perfect for UK Lawns - Winter & Defra Approved

15% Off
Why we love it
  • Rapid growth in just days.
  • Perfect for lawn repairs.
  • Safe for pets and children.
Main Highlights
  • FAST GERMINATION FOR A THICKER LAWN – Achieve a greener, healthier lawn quickly with Grassias fast growing grass seed, designed for rapid growth and strong root development. See results in 10-15 days!
  • IDEAL FOR LAWN REPAIR & OVERSEEDING – Whether filling in bare patches or thickening existing grass, this premium lawn seed mix delivers lush, uniform coverage.
  • PET FRIENDLY & HARDWEARING – Designed to withstand heavy foot traffic, making it perfect for family gardens with pets and children. Also paddock and animal safe.
  • TAILORED FOR UK CLIMATE – Perfect for all seasons this durable lawn seed grows well in spring and summer, while also standing up to colder winter and autumn months.
  • 1.70KG COVERS UP TO 87.5 m² – A high-quality grass seed mix that provides excellent coverage, ensuring a dense, long-lasting lawn with minimal effort.
9.3
Superb
Save 15%
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6
9.1
Superb
Pronto Seed Premium Grass Seed 1.4 kg - Fast Growing, Hard-Wearing - Covers 84m² for Lawns & Overseeding - DEFRA Approved & Tailored for UK Climate (1.4kg)
pronto seed

Pronto Seed Premium Grass Seed 1.4 kg - Fast Growing, Hard-Wearing - Covers 84m² for Lawns & Overseeding - DEFRA Approved & Tailored for UK Climate (1.4kg)

Why we love it
  • Amazing results in few days.
  • DEFRA approved and weed resistant.
  • Covers a large area.
Main Highlights
  • SPEEDY GROWTH IN JUST 7-14 DAYS – Watch your lawn transform quickly with our fast-growing grass seed. Designed for rapid germination, providing lush, green coverage in no time.
  • COVERS UP TO 84m² – One 1.4kg pack rejuvenates up to 84m² when overseeding or establishes 42m² of fresh, turf-like grass from scratch with proper soil preparation.
  • HARD-WEARING & WEATHER-READY – Specially engineered for the UK climate, our deep-rooted, resilient grass withstands heavy foot traffic, harsh weather, and shady or sunny spots.
  • LOW MAINTENANCE – Advanced seed blend naturally helps maintain a thick, healthy lawn with less effort.
  • FRESHLY PACKED FOR MAXIMUM RESULTS – Sealed at peak freshness with a 2-3 year viability window, ensuring high germination rates. 'Sow By Year End' date printed on the box for guaranteed quality.
  • OUR PROMISE: If you struggle with any part of the growing process, don't hesitate to contact us. Our promise is to help you until you get the results that you want.
9.1
Superb
Amazon Logo
7
8.9
Excellent
Lawn UK Hardwearing Grass Seed - Sprogs & Dogs Grass Seeds Fast Growing - 1kg up to 30sqm Coverage - Ideal for Family Lawns - Super Durable Perfect for Children & Pets
Lawn UK

Lawn UK Hardwearing Grass Seed - Sprogs & Dogs Grass Seeds Fast Growing - 1kg up to 30sqm Coverage - Ideal for Family Lawns - Super Durable Perfect for Children & Pets

Why we love it
  • Ultra-durable for extensive lawn coverage.
  • Endorsed by The Independent Newspaper.
  • Rapid Germination and pet-friendly.
Main Highlights
  • FAST GROWING GRASS SEED: Our Sprogs & Dogs grass seed mixture provides a hardwearing, quick to establish lawn. It is a great multi-purpose grass seed that utilises the benefits of the sport strength grass ingredients. Every 1kg provides to 20sqm coverage on fresh lawns & 30sqm overseeding.
  • MULTI-PURPOSE LAWN SEED: This seed pack has been developed over 10 years in order to provide you with the best hardwearing seed mixture. This Sprogs & Dogs grass-seed uses the latest grass varieties to make sure that you get the most up to date mixture.
  • PRODUCING THICK TURF: This pack contains a mixture of species such as Dwarf Ryegrass and Creeping Red Fescue to produce thick and full turf. Plant the seeds in spring or autumn for best result. Using a pre-seeding fertiliser can give an extra boost.
  • SPEEDY RESULT: Our Sprogs & Dogs germinates as quickly as 5-7 days in the right sowing conditions. Transform your lawns with amazing results when using our grass seed mixture. The seeds are also suitable for pets and children.
  • HIGHLY RECOMMENDED: Sprogs and Dogs is also recommended by the Independent Newspaper! Next day grass seed delivery available & packaging may vary depending on the size ordered.
8.9
Excellent
Amazon Logo
8
8.7
Excellent
Save 22%
Gro-Sure 20500254 Aqua Gel Coated Fast Start Smart Grass Lawn Seed, 25 m2, 1 kg - Blue
Gro-Sure

Gro-Sure 20500254 Aqua Gel Coated Fast Start Smart Grass Lawn Seed, 25 m2, 1 kg - Blue

22% Off
Why we love it
  • Easy to use.
  • Value for money.
  • Durable and design.
Main Highlights
  • Easy to use
  • Value for money
  • Durable & Design
8.7
Excellent
Save 22%
Amazon Logo
9
8.7
Excellent
Avern Turbo Grass Seed 1.3KG, Fast Growing Lawn Seed, Hard Wearing Grass, Dog Friendly, Can Germinate as Quick as 7 Days, Ideal for Overseeding or New UK Gardens (1.3KG, Upto 78 sqm Coverage)
Avern

Avern Turbo Grass Seed 1.3KG, Fast Growing Lawn Seed, Hard Wearing Grass, Dog Friendly, Can Germinate as Quick as 7 Days, Ideal for Overseeding or New UK Gardens (1.3KG, Upto 78 sqm Coverage)

Why we love it
  • Scientifically enhanced for hardwearing durability.
  • Resistant to dog pee damage.
  • Designed for UK climates.
Main Highlights
  • A scientifically enhanced, fast growing, hardwearing, dog pee resistant grass seed that creates durable, lush green lawns for the whole family to enjoy. Ideal for new lawns, over-seeding, renovating and patch repairing.
  • Dosage - 35 grams per square metre for new lawns, 17 grams per square metre for overseeding
  • When to sow - Can be sowed March to September, or other months when the ground temperature is constantly is above 10 degrees Celsius. For best results sow late Summer/early Autumn, or mid-spring, ensuring the ground is not dry. Sowing in colder periods will slow the germination process, but will still produce a lush green lawn.
  • Cutting Height - Down to 13mm
  • DEFRA Approved Seed, packed in the UK – Designed for UK Soils and Climates
8.7
Excellent
Amazon Logo
10
8.7
Excellent
Fast Growing Grass Seed - 7 Day Rapid Results - 1kg Lawn Seed – Covers 35m² – Hardwearing and Ideal for Patch Repair & New Lawns – Lawnmax
EFA International

Fast Growing Grass Seed - 7 Day Rapid Results - 1kg Lawn Seed – Covers 35m² – Hardwearing and Ideal for Patch Repair & New Lawns – Lawnmax

Why we love it
  • Fast-growing, germinates in days.
  • Tolerates regular, everyday use.
  • Perfect for lawn repair.
Main Highlights
  • ✔️ FAST GERMINATION IN 7–10 DAYS - Lawnmax Fast Growing Grass Seed UK delivers visible results in just 7–10 days, with fuller lawn development in 6–8 weeks. Ideal for new lawns, overseeding and quick patch repair.
  • ✔️ STRONG & HARDWEARING MIX – Designed for everyday garden use, this durable lawn seed tolerates foot traffic, pets and family activity. Suitable for landscaping, play areas and regular mowing.
  • ✔️ GROWS IN SUN OR SHADE – Versatile seed blend suitable for full sun and partially shaded areas. Also tolerant of heavier soil conditions, making it ideal for most UK gardens.
  • ✔️ PATCH REPAIR & OVERSEEDING – Restore brown patches, thin grass and worn areas quickly. Blends seamlessly into existing lawns for a thicker, greener finish.
  • 🇬🇧 UK PACKED & CERTIFIED – High quality seed packed in the UK and certified to DEFRA standards. Licensed by APHA. Blend contains 70% Dwarf Amenity Ryegrass and 30% Creeping Red Fescue.
8.7
Excellent
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Related Deals You Might Like for Fast Growing Grass Seeds

📊We scanned 403 products
🔍
We reviewed the most relevant Fast Growing Grass Seeds offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Garden Lawncare Guy, Ivisons, pronto seed, Lawn UK, Grasscias, Gro-Sure, Avern, EFA International, known for dependable quality and smart design.
⭐
To determine today's best Fast Growing Grass Seeds, we analysed 2016 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

What we concluded:

🏆 #1
Fast Growing Grass Seed UK - Multi Purpose Grass, Repairs Patches Quick - Pet Friendly & Hardwearing - 5kg - Garden Lawncare Guy

Our overall winner is Fast Growing Grass Seed UK - Multi Purpose Grass, Repairs Patches Quick - Pet Friendly & Hardwearing - 5kg - Garden Lawncare Guy by Garden Lawncare Guy. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Lush green grass quickly
✓Repairs patches effortlessly
✓Durable for busy families
💎 Best Value
Grassias Premium Hard Wearing Grass Seed – 5KG Premium Quality Lawn Seed for Overseeding & New Lawns – Pet Friendly - Perfect Grass Seeds for UK Lawns - Defra Approved Lawn Seeds

The best value for most shoppers is Grassias Premium Hard Wearing Grass Seed – 5KG Premium Quality Lawn Seed for Overseeding & New Lawns – Pet Friendly - Perfect Grass Seeds for UK Lawns - Defra Approved Lawn Seeds by Ivisons, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
Gro-Sure 20500254 Aqua Gel Coated Fast Start Smart Grass Lawn Seed, 25 m2, 1 kg - Blue

The strongest deal right now for Fast Growing Grass Seeds is Gro-Sure 20500254 Aqua Gel Coated Fast Start Smart Grass Lawn Seed, 25 m2, 1 kg - Blue at Gro-Sure, currently at 22% off.

🔄Our Fast Growing Grass Seeds ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.