Colosseum is a 100% winter active perennial ryegrass mixture specially bred to thrive in extreme climates. While standard ryegrass needs soil temperatures of 8- 12°C to grow, Colosseum germinates rapidly in soils as cold as 5°C, making it ideal for year-round planting and repair, even in winter.
Key Benefits:
Rapid germination in cold soil (as low as 5°C)
Extremely fast growing and quick to establish
High wear tolerance - perfect for sports fields and high-traffic areas
Drought tolerant -holds up in dry conditions
Year-round rich green colour
High disease resistance for long-term lawn health
High endophyte levels deter birds and insects, promote strong root growth, and improve overall plant resilience
True perennial - lasts for years, unlike competitor mixes that contain short-lived annual ryegrass
Proven Performance:
Colosseum was developed from elite perennial ryegrass plants that survived temperatures as low as -15°C on a test cricket pitch. These were selectively bred to create a cultivar capable of thriving in extreme cold, heat, and heavy use. It’s no surprise it’s trusted in professional stadiums across New Zealand, including Wellington Park (Westpac Stadium).
Whether you're maintaining a sports pitch, reviving a tired lawn, or over-seeding in cold weather, Colosseum is the all-season, high-performance solution you can count on.
How much is delivery?
Delivery is included in the price for seed orders, where delivery is chargeable, for example on some equipment, it is outlined on the product page.
How quickly will my order arrive?
We aim to process all orders placed before 12 noon on the same day. Any orders placed after that time will be processed on the next available working day.
We will send you a notification email when your order has been despatched.
Delivery will normally take 3-4 working days from the despatch of the order.
While we always try our best to despatch every order following the above guidelines, during extremely busy periods despatch times may increase by up to one day. In addition we will inform you at checkout if delivery may take a little longer due to high demand.
Special delivery instructions
If you have any special instructions for delivery, such as leaving your parcel with a neighbour, please include them in the ‘special instructions’ section at the checkout. Please note that our couriers will not respond to notes left on doors for security reasons
All orders are thoroughly checked before leaving our premises. On receipt of your order we request that you check the items as soon as possible. If you are unhappy with your order for any reason, please contact us on 01208 881198 or info@swseeds.co.uk. Please have your order number to hand when you contact us as it will allow us to find your order quickly.
If you are unsatisfied with your order in any way, please return it to us within 14 days of delivery for a refund or exchange. The item must be unused, be in its original packaging and be suitable for re-sale. Postage costs for returning items to us cannot be refunded, unless the item is faulty or damaged.
We recommend that you send your order back to us using a tracked delivery service as we cannot be held responsible for any parcel lost during transit to us.
Our return address is:
South West Seeds
Treswarrow Farm
St Endellion
Port Isaac
Cornwall
PL29 3TN
Once your item has been returned, we will inspect it and take the necessary action as soon as possible.
Faulty/Damaged Goods:
If any item you receive from us arrives damaged, please contact us as soon as possible on 01208 881198 or by email info@swseeds.co.uk. We will then advise you on the best course of action.
In most cases we will ask you to return the item to us for an exchange or refund. Unfortunately we cannot refund your postage costs when you return an item to us unless the item is faulty.
Please check your order before you sign for it from the courier. If the item is faulty or damaged in any way, please do not sign for it and the courier will return the item to us. We will then send a replacement item out as soon as possible.
Returns
Please contact us in reference to any returns. Bags and boxes must not be opened and must be in a resalable condition and must be returned within 28 days. If a special order/mix has been prepared for you, this is non-returnable.
