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Why Companion Planting Matters for Kohlrabi

A thoughtful companion planting plan can turn a simple row of kohlrabi into a productive, low-maintenance garden bed. By pairing kohlrabi with the right roots, herbs and flowers, you naturally support soil health, attract beneficial insects and make life harder for common brassica pests. Balances nutrients: different root depths and growth habits share the soil […]

How to Grow Tomatoes from Seed | Seedmart

How to Grow Tomatoes from Seed

Whether you are a novice home gardener or a confident grower, this ‘How to Grow’ guide features everything you need to know about sowing, growing, and caring for tomatoes (Botanical name: Solanum lycopersicum). Determinate vs. Indeterminate The difference between tomato types is their growth habit or the shape of their fruit. In this article, we […]

Seed per Gram Guide | Blog Feature Image | Seedmart Australia

Seeds Per Gram Guide

Flower, Vegetable, Herb & Green Manure Seeds In this post, you’ll find out the seeds per gram for popular flower, vegetable, herb and green manure seeds. It is important to note that the seeds per gram can vary widely, even in the same species. For example, tomato seeds can have 250-400 seeds per gram, depending […]

When & How | Harvest Microgreens

When to Harvest Microgreens: Harvesting, Washing & Storage Guide

Knowing when to harvest microgreens is partly about plant development and partly about the crop you want to produce. Many microgreens are harvested once their cotyledons have fully opened, while others are allowed to develop their first true leaves. Pea shoots and wheatgrass are different again: they are normally harvested according to shoot or blade […]

Climate Zones Australia Map | Flowers | Seedmart

Which Flowers to Plant in Spring in Your Region

Spring is an enjoyable time of the year for gardening. The cold winter days are over, and the weather is warming up. Gardens around Australia start popping with colour. Spring is the perfect time to plant a number of varieties of warm season flowers. Want to find out the flowers you should grow during Spring? 🌼 […]

Edible Flowers Ice Cubes Concept | Seedmart Australia

How to Make Edible Flower Ice Cubes

Add a pop of colour and flavour to your ice-cold summer beverages. Growing edible flowers from seed is easy and rewarding. Edible flowers can be added to your salads and as a garnish for your favourite meal. For a refreshing twist, add edible flower ice cubes to your drinks. In this article, you’ll learn how […]

Why Some Seed Varieties are Treated in Australia?

Why Some Seed Varieties Are Treated in Australia

At Seedmart, we want to be transparent about the seeds we sell. Our preference is always untreated seed. However, Australian laws and biosecurity rules sometimes require us to supply treated seed. In this article, we explain why, which varieties are affected, and how we continue to work towards more untreated options while keeping quality high. […]

Best Microgreen Trays in Australia

Best Trays for Growing Microgreens in Australia

You don’t need specialised equipment to grow microgreens, but choosing the right tray makes sowing, watering, stacking and harvesting considerably easier. The complication for Australian growers is that much of the information online assumes you are using an American 1020 tray. In Australia, 30 × 35 cm propagation trays, half trays and larger Australian commercial […]

Nasturtium flower closeup | Seedmart Australia

How to Grow Nasturtium from Seed

Nasturtium (Tropaeolum majus) If you’re looking for an easy-to-grow, versatile, edible plant, you can’t go past nasturtium. They germinate easily, require little fuss and you can get away with growing them in poor soil; they will actually produce more flowers in poor soil. Nasturtium is an ideal seed for beginners to grow and can also […]

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How to Grow Cornflower from Seed

(Centaurea cyanus) Blue Boy Commonly known as Bachelors buttons, Cornflowers are easy to grow. Preferably in full sun (6 hours per day). They make an excellent addition to a traditional style garden and come in various colours such as white, blue, purple and blue. Their stunning double flowers are ideal for cut or dried flowers. […]

What Is Kohlrabi?

Kohlrabi is one of those vegetables you rarely see in big supermarkets. Once gardeners or chefs start growing it, however, they usually fall in love with its crisp texture and sweet, mild flavour. Because it offers something different from the usual Brassicas, it quickly becomes a favourite. If you’re looking for a crop you can’t […]

Grow Kohlrabi Seedmart

How to Grow Kohlrabi in Australia

Kohlrabi is a quick, cool-season crop that fits beautifully into raised beds, wicking beds and small backyard patches. With the right timing, spacing and soil preparation, you can enjoy crisp, sweet bulbs in as little as two months. Position: Full sun. Soil: Fertile, well-drained, rich in organic matter. Season: Cool months – autumn, winter, early […]

Microgreens not thriving - Troubleshooting | Blog Feature Image | Seedmart Australia

Microgreen Troubleshooting Guide: Mould, Germination & Growing Problems

Microgreens are fast-growing, but that also means problems can develop quickly. A tray can go from looking healthy to wilted, mouldy or uneven within a day or two. The most useful way to troubleshoot microgreens is to start with the symptom. Poor germination, mould, yellow seedlings and wilting can have completely different causes, and adding […]

Microgreen Lighting Natural & LED options

Microgreen Lighting Guide: Sunlight vs Grow Lights in Australia

Once microgreens have finished germinating and come out of blackout, they need adequate light to develop green leaves, strong stems and compact growth. Microgreens can be grown with natural sunlight, artificial grow lights or a combination of both. The best option depends on where you are growing, the season and how consistent you need your […]