The Best Fertilizing Schedule for Your Raised Bed Garden

By Stephan

Author bio: Stephan is a content writer at Mazzega's Landscaping Supplies. He is a passionate gardener who has dedicated considerable time and effort to growing plants. He loves plant and the care he puts into his garden are evident in the beauty and vibrancy of his garden. He enjoys writing on various topics mainly associated with Garden, Home Improvement, Technology and automotive.

Gardening is a beautiful hobby that allows you to connect with nature, get your hands dirty, and grow beautiful plants. One of the critical factors in achieving bountiful raised garden beds is ensuring that your plants get the nutrients they need. That's where fertilizing comes in! Fertilizing your garden is like giving your plants a healthy and delicious meal that helps them grow big and strong.

What exactly is fertilizer, you ask?

Well, it's a substance you add to the soil to provide your plants with essential nutrients like nitrogen, phosphorus, and potassium. These nutrients are crucial for healthy growth and development; without them, your plants may struggle to produce the flowers, fruits and vegetables you're hoping for.

Fertilizing your garden can be a fun and rewarding experience. Not only will you see the benefits of healthy plants and abundant produce, but you'll also learn more about the science of gardening and the delicate balance of nutrients in the soil. Also we can also recycle food waste as fertilizer.

Plus, various fertilizers, including organic and synthetic options, can add excitement to your gardening journey. So, whether you're a seasoned gardener or just starting, learning about fertilizing is essential in creating a thriving garden.

The best fertilizing time for your raised bed garden


Fertilizing your garden can be tricky, but here's the simple answer: the best time to fertilise your garden is during the cooler months.

If you live in Perth, that would be from March to May. This is because the weather is still warm enough for your plants to grow but not too hot that they will dry out quickly. During the cooler months, your plants are also less likely to experience stress from heat or drought, which means they can absorb and use the nutrients from the fertilizer better.

It's important to remember that every garden is different, so you should also check the specific needs of your plants and the type of fertilizer you're using. You can ask an adult to help you read the fertilizer packaging instructions to ensure you're using it at the right time and in the right amounts.

Why is Fertilizing at the right time helpful for a thriving garden?


Think of your garden like a hungry little pet that needs to be fed. Just like you wouldn't want to give the pet the wrong kind of food or feed it at the wrong time, you don't want to do that with your garden. Fertilizing at the right time is helpful for a thriving garden because it gives your plants the right kind of food when they need it most.

Plants are just like people - they need nutrients to grow big and strong. Fertilizer is like a food with all the nutrients plants need to thrive, like nitrogen, phosphorus, and potassium. But if you give plants fertilizer at the wrong time, they might be unable to use it all, or it might even harm them. It's like eating a big meal right before bed - you might not be able to digest it properly or sleep well.

That's why Fertilizing at the right time is so helpful for a thriving garden. By giving your plants fertilizer when they need it most, they can use all those essential nutrients to grow big and strong. And when your plants are big and strong, they'll be better able to fight off pests and diseases, produce lots of flowers and fruits, and be happy little plants!

Helpful tips to boost the fertilizing schedule for your raised bed garden


By following these tips for Fertilizing at the right time, you can help ensure your plants get all the nutrients they need to grow big and strong.

Understand your plants' needs

Different plants have different nutrient requirements, so it's essential to understand what your plants need. For example, fruiting plants like tomatoes and peppers may require more potassium, while leafy greens like lettuce and spinach may require more nitrogen. Research the nutrient requirements of your specific plants and adjust your Fertilizing schedule accordingly.

Start with healthy soil

Fertilizer is only one part of the equation for healthy plants. Start with healthy soil to get the most out of your Fertilizing efforts. This means testing your soil for pH levels and adding organic matter like compost or manure to improve soil structure and fertility. Learn more about how to improve garden bed soil pH level.


17"Tall 3.5'x2' Metal Raised Garden Beds (2 in 1)


The 17” high, 2-in-1 metal raised garden bed is ideal for growing herbs or small fruit trees. The metal raised beds to absorb the sunlight, making the soil warm up faster in early spring, allowing seeds to germinate earlier and planting to begin earlier. The 17" high raised beds are preferred by wheelchair users, but you need to leave enough aisle space for them to pass through.

17” Tall Metal Raised Garden Bed

These elevated raised garden beds offer improved pest resistance and season extension. They also allow for better soil life, drainage, and root growth.

The panel of  Metal Raised Garden Bed is Strong and Long-Lasting:

Zn-Al-Mg Stainless steel (What is Zn-Al-Mg Steel?) 24-gauge steel is strong, lasting 4-7x longer than standard wooden raised garden beds.

Easy to Assemble: 

For easy assembly, we offer bolts, nuts, washers, wrenches, and an Instruction manual. Keep your sturdy and safe from bowing. We also offer duty rubber edging to cover the edges providing protection from injury.

Rust and Corrosion Resistant: 

Zn-Al-Mg is 2-7x more effective against rust and corrosion than standard galvanized coatings. Please refer to the technical text for more details.

No Contamination: 

Unlike low-grade plastic, chemically treated wood, or poorly manufactured copycats, Aluzinc-magnesium galvanized steel does not leach or break down in any major way over time, so these beds are absolutely safe to grow food in. Our Zn-Al-Mg raised garden beds have adopted AkzoNobel sustainable special paint(also obtained USDA certification) developed for animal husbandry and planting, which will not penetrate into the soil. Your garden and soil are safe to go. However, most traditional wooden raised garden beds will add chemical preservatives in order to avoid crumbling easily, these may penetrate into the soil and do some damage to the soil.

Environmentally Friendly:

Traditional wooden raised garden beds aren’t always a sustainable option. Research showed that roughly 15.3 billion trees are cut down each year, and logging is a big part of that. Purchasing wood for raised beds might not be an environmentally conscious decision. Compared to wooden raised garden beds, our Zn-Al-Mg steel raised garden beds are an ideal material for any outdoor applications. It’s eco-friendly, long-lasting, and sturdy, lasting up to 20 years without needing replacement and with minimal maintenance.

2 in 1: 

“2-In-1”refers to 2 different configurations(or shapes)available in 1 kit. Each kit has 2 side panels and 4 corner panels. You can assemble your favorite shape based on your need. Please see the chart below for details on how to assemble it. Pick your favorite one and then assemble your garden bed.

Size Side Panels Corner Panels Configuration
3.5'X2' 2 4
17" Tall 2 in 1 Configurations-1
2'X2' 0 4
17" Tall 2 in 1 Configurations-2
View Details

Use the right type of fertilizer

Many types of fertilizers are available, including granular, liquid, and slow-release options. Choose a fertilizer appropriate for your plants and the timing of your Fertilizing schedule. For example, slow-release fertilizers may be better for plants that require continuous nutrient delivery over time, while liquid fertilizers may be better for fast-growing plants that need a quick nutrient boost.

Don't overdo it

While fertilizer can benefit your plants, remember that anything excessive can be harmful. Over-Fertilizing can result in burning of nutrients, stunted growth, and other issues. Follow the recommended application rates on your fertilizer packaging and avoid applying too much or too frequently.

Monitor your plants

Watch for any signs of nutrient deficiency or over-fertilisation as your plants grow. Notice any of the following issues in your garden. It may be a sign that something is amiss: yellowing of leaves, wilting, stunted growth, or tiny fruits and vegetables. Other symptoms can also be caused by pests, diseases, and other factors, so monitoring your plants closely and taking action if needed is essential.


The best time to fertilise your garden in Perth is during the cooler months, but always check the instructions on your fertilizer packaging and the specific needs of your plants to make sure you're doing it correctly.

Timing is everything when it comes to Fertilizing. Generally, it's best to fertilise in the spring when plants are just starting to grow and then again in the middle of the growing season. Avoid Fertilizing too late in the season, as this can promote new growth that may not have time to mature before winter. For recommendations and the best fertilizers in Perth, visit or call Mazzega's Landscaping Supplies!

Also read: 10 Types of Fertilizer You Haven't Tried, but Should.

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