Proven to be one of the top selling lawn varieties in Melbourne and Australia wide is the DNA Certified Sir Walter Buffalo Lawn. With many known benefits, like resilience to drought, weeds, pests and harsh climates, cheap imitations of the Sir Walter brand are leaving many homeowners, business owners and landscapers disappointed
What is Lawn Fertilizer?
Lawn fertiliser is a specifically formulated carrier of essential nutrients required for healthy grass growth. It comes in an array of formulations and release methods designed for specific grasses, application methods and seasonal timing.
Types of Lawn Fertilizer
Granular types. The most common type of Lawn fertiliser granular types are easy to spread and supply nutrients to the plant rapidly.
Liquid types. Liquid fertilisers, when applied correctly and at the label, rate can be useful in avoiding leaf burn that sometimes occurs with granular types that are not applied evenly and watered in well.
Slow Release. Slow-release fertilisers, as the name implies, release their nutrient component slowly and continue to do so until the prill has completely dissolved.
Controlled release. These release nutrients when needed and activate when temperatures and moisture are at the correct level for release. They are usually more expensive however, as with the slow-release fertilisers, the trickle effect of slowly releasing nutrients ensures the grass plant has what it needs in nutrition and is not bombarded. Although more expensive, the runoff and wastage of nutrient is less and can work out to be cheaper in the long run.
Organic – Organic fertilisers improve soil structure where and when necessary. They are usually quick-release, and their benefit from a nutrient perspective is short-term.
NPK - What is it?
Fertilizer packaging will have the letters NPK on the container. Each letter is followed by a number indicating the ratio of the three key elements it contains. N stands for Nitrogen, P is Phosphorous, and K is Potassium. These three elements are the major components of most lawn fertilisers, and the ratio of each element is designed specifically for lawn fertilizer applications.
Why Fertilise Your Lawn?
Most lawns will need to be fertilized at some stage as nutrients in the soil are used to produce new leaf and roots. Your soil type will determine the frequency that you need to apply fertilser. Sandy soils leach nutrients faster than clay and heavy soils do and will need regular top ups. Slow controlled release fertilizer types are ideal for sandy soils.
When to Fertilise Your Lawn?
Fertlise your lawn at the start of each season and as required. Your soil type and irrigation frequency will determine how much and how often you need to apply nutrients. Monitor your lawn regularly for signs of stress and yellowing which may indicate that it needs a feed.
What is the Best Fertilizer for Lawns?
Granular, Liquid and slow release fertilisers with a high Nitrogen component are essential for leaf growth and health. Use products such as Anco Vigour Lawn food at the start of Spring, Summer and autumn to keep the lawn active and green. Grasses such as DNA Certified Sir Walter, TifTuf couch, and Kikuyu all benefit from a late march application of a Complete fertilizer with a more even NPK Ratio than Lawn Food. Lawn Starter fertilizer is ideal for use in late March for these grasses as it improves root development and helps the plant over winter.
Fertilise Before Laying Turf
Always use Lawn Starter fertilser at the same time as you lay your new lawn. It encourages root development and your turf will establish faster.
Fertilise After Laying Turf
If you failed to apply Lawn Starter prior to laying your turf you can still apply it on top of the new turf but ensure it is applied evenly and watered in well to avoid burning the leaf. Once the lawn has been established it can be fed with Lawn Food that is higher in Nitrogen percentage as needed.
Fertilising Lawn in Spring
Bring your lawn out of its winter dormancy with a dose of Lawn Food in September. The extra Nitrogen in the lawn food will encourage new leaf growth and a general green up after the cold of winter.
Fertilising Lawn in Summer
Avoid fertilizing lawns in the middle of summer if you can as they are susceptible to burning. A December and late February application of lawn food should be sufficient.
Fertilising Lawn in Autumn & Winter
Ensure that you lawn is healthy while the weather is still warm and the grass can utilize any fertilizer you apply before it goes dormant. Use Lawn Starter fertilizer in early April to aid root development before winter.
Lawn Fertilizers's FAQs
Fertilise lawns at the start of each season to maintain and promote healthy growth.
Fertilise your lawn at the start of Spring and again in December and March.
To keep a lawn healthy and growing well you will need to apply a small amount of fertiliser during the growing seasons.
Use a complete fertiliser such as Lawn Starter in the autumn to aid in root development and to “winterise” your lawn.
Fertiliser should be applied on an as needs basis and seasonality. Too many applications will burn your lawn and can lead to creating toxic levels of certain elements.
Fertilise your lawn in Spring summer and autumn. It won’t need feeding in winter.
Use a high nitrogen fertiliser to aid in leaf growth and to green up the lawn. A more Complete NPK fertiliser applied in March will aid in root development and healthier grass through winter.
Lawns can be fertilised at any time as long as they are washed in well to avoid leaf burn.
Avoid applying quick release prill type fertilisers to wet grass as they can cause burn spots if not watered in quickly.
There are many types of grass fertiliser and each has its purpose. Read the label and obtain sound advice from an expert if you are unsure of what to use.
Lawns don’t need fertiliser in Winter however a light application of Iron can have a beneficial affect on colour.
Fertilising with high Nitrogen lawn foods in winter is not necessary.
Straight fertiliser products if washed in after application are safe for dogs.
Apply all fertiliser types evenly and at label rates or lower to avoid burning the lawn. Use a fertiliser spreader if possible.
Use a high Nitrogen Lawn food on Buffalo grass in September, December and late February to keep it lush and dense.
Kikuyu responds well to high nitrogen lawn foods when they are watered in well. Apply these to Kikuyu in Spring and autumn.
There are many types of lawn fertilisers, and each has a specific purpose. Slow-release fertilisers are ideal as they don’t burn and provide nutrients gradually to the plant.
It is best to apply fertiliser to a dry leaf and then water it in to avoid spotting from the fertiliser prill burning the leaf that it is resting on. Always water in quick release fertilisers immediately after applying.
Seasonal applications of fertiliser will keep your lawn looking lush green and healthy. Undernourished lawns are more susceptible to disease and weed invasion.
Fertilise your lawn at the start of each season or when it is looking tired. If you renovate the lawn an application of lawn Food will aid in its rapid recovery.
Drenching the lawn after applying quick release fertilisers will eliminate the potential for burning. Slow release fertilisers require a small amount of water to be applied before they are activated.
Avoid the use of high nitrogen content fertilisers in the height of summer as the potential for burning is increased. If the lawn is desperate for a feed ensure that you water the fertiliser in thoroughly.
Slow release fertilisers are the best to use in summer as they have less burn potential than quick release types.
Fertilising your lawn will provide colour within days and aid in keeping and already healthy lawn in good condition.
Damaged lawns should be renovated and an application of an appropriate fertiliser applied.
All packaged fertilisers have the application rate on the label. Always apply at the label rate for best results.
Some grass types prefer specific fertilizer types and timings. You should refer to an expert if you are unsure of what to use and when to apply fertilisers.