Best Fertilisers for Tomatoes, Herbs, and Leafy Greens
Feed Smart. Grow Better. Choose the Right Fertiliser for Each Crop.
When it comes to growing strong, healthy produce, one-size-fits-all fertilisers just donโt cut it. Tomatoes, herbs, and leafy greens each have different nutritional needsโand feeding them correctly can mean the difference between average and amazing harvests.
At CompleteGrow, we offer a range of clean, concentrated fertilisers tailored to how plants grow at different stages. Hereโs how to match the right product to your plants for the best results.
Tomatoes: Heavy Feeders That Need Phosphorus & Potassium
Recommended Fertiliser:
โ
CompleteGrow NPK 4-18-38 + Calcium & Magnesium
Why it works:
- High phosphorus and potassium to fuel flowering and fruiting
- Includes calcium nitrate to reduce blossom-end rot and support firm fruit structure
- Magnesium sulphate enhances nutrient transport and leaf colour
- Works in both hydroponics and soil-based growing
Tip: Use during flowering and fruiting stages for best results. Start with a general-purpose fertiliser, then switch to this formula as tomato plants begin to bloom.
Herbs: Donโt OverfeedโFocus on Fragrance & Foliage
Recommended Fertiliser:
โ
CompleteGrow Liquid NPK or All-Purpose 20-20-20 at Half Strength
Why it works:
- Maintains lush leaf growth without softening stems
- Supports new shoots and regular cutting
- Perfect for potted herbs or raised bed planting
Tip: Feed every 2โ3 weeks, especially if growing in containers where nutrients wash out fast.
Leafy Greens: Fast Growers That Need Steady Nitrogen
Recommended Fertiliser:
โ
CompleteGrow Liquid NPK 20-20-20 or Custom NPK (High Nitrogen)
Why it works:
- Fuels rapid leafy growth and vibrant green colour
- Easy to absorb through soil or foliar application
- Works well in both soil and hydroponic setups
Tip: Use weekly during peak growing season for best results, especially in warm weather.
Why Use CompleteGrow Fertilisers?
- ๐ฆ๐บ Made in Australia โ for Australian conditions
- ๐ฑ No fillers โ just results
- ๐ง Liquid and Powdered Options โ perfect for soil, pots, or hydro
- ๐งช Custom Blends Available โ tailored for your specific crops
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