Starting a herb garden doesn't have to break the bank or require a green thumb. With just $15 and a quick trip to Coles, you can transform those little potted herbs from the produce section into a thriving garden that'll keep your kitchen stocked with fresh flavours for months. Whether you're renting, short on space, or just want to test your gardening skills without a massive investment, this Expensive">Cheap Home Decor Furniture Australia">Australia">budget-friendly approach is perfect for any Aussie household.
Why Start with Coles herbs Instead of Seeds
Those $2.50 potted herbs at Coles might seem expensive compared to seed packets, but they're actually brilliant value when you're starting out. You get instant gratification with established plants that are already past the tricky germination stage. Plus, you can start harvesting immediately while the plants settle into their new homes.
The most reliable varieties to grab are basil, parsley, coriander, and mint – they're usually the freshest in-store and adapt well to Australian conditions. Avoid any plants with yellowing leaves or that look a bit sad, as these won't transplant successfully.
Budget Breakdown: Getting Started for $15
Here's how to stretch your dollars: grab three herb plants from Coles ($7.50), pick up a bag of potting mix from Kmart for around $4, and use containers you already have at home. If you need pots, Kmart's basic terracotta ones are about $3 each, or check out Big W's plastic planters for $2-3.
The real money-saver is using what's already in your house. Yoghurt containers, old ice cream tubs, or those plastic takeaway containers work brilliantly – just poke a few drainage holes in the bottom with a skewer. Even better, check your local Buy Nothing groups on Facebook where people often give away extra pots.
The Transplanting Process Made Simple
Once you're home, don't rush to transplant immediately. Let your herbs adjust to their new environment for a day or two. When you're ready, gently tease apart the roots if they're tightly bound – this encourages them to spread into their new soil rather than staying in that cramped root ball shape.
Fill your containers about two-thirds with potting mix, place your herb, then top up around the sides. Water gently but thoroughly, and place them somewhere with morning sun but protection from harsh afternoon heat. A spot near your kitchen window or on a covered balcony works perfectly.
Ongoing Care That Won't Cost Extra
The beauty of herbs is they're pretty forgiving once established. Water when the top centimetre of soil feels dry – usually every second day in summer, less in winter. Overwatering kills more herbs than underwatering, so when in doubt, wait another day.
Instead of buying expensive fertilisers, save your coffee grounds and eggshells. Coffee grounds (used, not fresh) mixed into the soil provide gentle nutrition, while crushed eggshells add calcium. You can also create liquid fertiliser by soaking banana peels in water for a few days – your herbs will love the potassium boost.
Regular harvesting actually encourages growth, so don't be shy about snipping what you need. Cut stems just above a leaf joint to encourage bushier growth rather than taking individual leaves.
Expanding Your Garden on the Cheap
Once your initial herbs are thriving, you can multiply your garden for free. Basil and mint are particularly easy to propagate – just take 10cm cuttings, strip the lower leaves, and pop them in a glass of water until roots develop. Parsley and coriander will eventually go to seed, and you can collect these for future plantings.
Keep an eye on Coles' markdown section too. Sometimes herb plants that are past their prime get reduced to $1, and with a bit of TLC, many can be revived. It's also worth checking if your local community garden has plant swaps or if neighbours have herbs they're happy to share cuttings from.
Frequently Asked Questions
What if I don't have outdoor space for my herb garden?
No worries! Most herbs grow beautifully indoors on a sunny windowsill. Choose a spot that gets at least 4-6 hours of light daily. If your place is quite dark, consider adding a $15 grow light from Bunnings – still well within budget when you factor in how much fresh herbs cost at the shops.
How long will these herbs keep producing?
With proper care, basil and parsley can produce for 6-12 months, while mint is practically indestructible and will keep going for years. Coriander tends to bolt to seed quickly in hot weather, but that just means free seeds for your next crop. You'll easily save more than your initial $15 investment within the first month.
Ready to get started? Your future self will thank you every time you're cooking and can just snip fresh herbs instead of buying those expensive plastic packets. Grab your herbs on your next Coles shop and start your budget herb garden this weekend – you'll be amazed how quickly those little plants transform into your personal flavour factory.
Setting Up Your Herb Garden Space
Before you even head to Coles, take a moment to assess your available space. The beauty of starting with potted herbs is that you can create a thriving garden almost anywhere – a sunny windowsill, balcony, courtyard, or even a well-lit kitchen bench.
For outdoor spaces, look for an area that gets at least 4-6 hours of morning sunlight. If you're working with a balcony or small courtyard, consider the wind factor. Strong winds can dry out herbs quickly, so you might need to create a bit of shelter using a cheap outdoor screen from Bunnings (around $25-40) or even repurpose a large cardboard box as a temporary windbreak.
Indoor herb gardens work brilliantly too. A south-facing window is ideal, but east or west-facing windows will do the trick. If natural light is limited, you can supplement with a grow light from Bunnings (LED grow lights start around $15-25). The key is consistency – herbs prefer steady conditions rather than dramatic changes in light or temperature.
The $15 Coles Shopping List
Here's how to maximise your $15 at Coles for the best herb garden starter pack:
- Basil ($2.50): Choose the bushiest plant with the darkest green leaves. Sweet basil is the most versatile, but if you love Asian cooking, grab Thai basil when available.
- Parsley ($2.50): Flat-leaf (continental) parsley has better flavour than curly, and it's more cold-tolerant for winter growing.
- Mint ($2.50): This will spread like crazy, so it's excellent value. Spearmint is the classic choice, but chocolate mint adds a fun twist to desserts.
- Coriander ($2.50): Essential for fresh salsas, Asian dishes, and Mexican cuisine. It bolts quickly in heat, so grab two plants if it's summer.
- Chives ($2.50): These hardy perennials will give you years of harvests and beautiful purple flowers that are also edible.
- Oregano ($2.50): Perfect for pizza, pasta, and Mediterranean dishes. It's drought-tolerant once established.
This gives you six plants for $15, or you could grab five herbs and use the remaining $2.50 toward potting mix. Check Coles' weekly specials – herbs sometimes drop to $2 each, giving you extra budget to work with.
Essential Supplies from Budget Retailers
While your herbs come ready to grow, you'll need a few extras to set them up for long-term success:
Pots and Planters
If you're keeping herbs in their original pots temporarily, that's fine for a few weeks. However, for sustained growth, they'll need more space. Kmart's garden section offers excellent value:
- Terracotta pots (15cm): $3-5 each, perfect for single herbs
- Rectangular planters: $8-15, ideal for grouping 2-3 herbs together
- Self-watering pots: $12-20, brilliant for mint which loves consistent moisture
Big W also stocks affordable ceramic pots starting around $4-8, and their drainage is usually better than cheaper plastic options. For the truly budget-conscious, check Facebook Marketplace or Gumtree for second-hand pots, or repurpose containers from around the house – just drill drainage holes in the bottom.
Potting Mix and Soil Amendments
Bunnings 25kg bags of quality potting mix cost around $12-16, which will be enough for multiple repottings and top-ups. ALDI occasionally stocks smaller 10kg bags for around $6-8 during their Special Buys. For herbs, look for mixes that contain:
- Good drainage components (perlite, bark chips)
- Slow-release fertiliser
- Water retention crystals
If your budget is super tight, you can improve cheap potting mix ($4-6 for 25kg) by adding some coarse sand or small stones from your garden for drainage.
Maximising Your Harvest
The secret to getting the most from your Coles herbs is understanding how to harvest properly. Most people are too gentle and end up with leggy, unproductive plants.
The Pinch and Harvest Method
Start harvesting within days of bringing your herbs home. For basil, pinch out the growing tips just above a pair of leaves – this encourages bushy growth. The same technique works for oregano and mint. With parsley and chives, cut from the outside edges, leaving the centre to continue growing.
Coriander is trickier because it wants to flower and set seed quickly. Harvest leaves frequently and pinch out any flower buds immediately. If it does go to seed, collect the coriander seeds for cooking – they're expensive to buy and add brilliant flavour to curries and pickles.
Succession Planting
Here's a pro tip that'll keep your herb supply constant: when your original coriander starts to bolt (usually 4-6 weeks after planting), grab another $2.50 plant from Coles. This way, you'll always have fresh leaves available. The same strategy works well for basil in autumn when cold nights start affecting growth.
Extending Your Garden on a Shoestring
Once your original six herbs are established, you can propagate many of them for free, essentially multiplying your $15 investment.
Free Propagation Techniques
Mint propagation: Mint roots wherever it touches soil. Simply pin a long stem to the soil surface with a small stone, and in 2-3 weeks, you'll have a new plant to separate and pot up.
Basil cuttings: Take 10cm cuttings from healthy stems, remove the lower leaves, and pop them in a glass of water on a sunny windowsill. Change the water every 2-3 days, and roots will appear within a week. Plant these rooted cuttings in small pots filled with potting mix.
Chive division: After 6-8 weeks, your chives will have formed a decent clump. Carefully remove the plant from its pot and gently tease apart the bulbs. Each section with roots attached can become a new plant.
Oregano spreading: Like mint, oregano will root along its stems. Encourage this by mounding a bit of potting mix around the base of longer stems.
Seasonal Care and Maintenance
Australian conditions vary dramatically from Darwin to Hobart, but some general principles apply across the country.
Summer Care (December-February)
This is when your herbs will grow most vigorously, but heat stress can be an issue. Water deeply but less frequently – daily watering often does more harm than good. Instead, check soil moisture by sticking your finger 2cm into the soil. If it's dry, it's time to water.
Provide afternoon shade during extreme heat (35°C+) by moving pots to a shadier spot or creating temporary shade with an old bedsheet. Mulch around plants with cheap bark chips from Bunnings ($6-8 per bag) to retain moisture and keep roots cool.
Winter Management (June-August)
Most herbs slow down significantly in winter, which is actually good news for your budget – they'll need less water and virtually no fertiliser. Protect tender herbs like basil from frost by moving them indoors or covering with frost cloth from Bunnings ($8-12 per metre).
Parsley, chives, and oregano are quite frost-tolerant and will often provide fresh pickings throughout winter in most Australian climates. This is when having a diverse herb collection really pays off.
Troubleshooting Common Issues
Even with the best intentions, problems can arise. Here's how to address the most common issues without spending a fortune on solutions:
Pest Management
Aphids: These tiny green or black insects love soft new growth. Blast them off with a strong spray from your hose, or wipe them away with a damp cloth. For persistent infestations, mix a few drops of dishwashing liquid in a spray bottle with water – this homemade solution works as well as expensive commercial sprays.
Caterpillars: Hand-picking is the most effective method for small herb gardens. Check plants daily and remove any you find. Bt spray from Bunnings ($12-15) is organic-approved and very effective for larger infestations.
Plant Health Issues
Yellowing leaves: Usually indicates overwatering or poor drainage. Reduce watering frequency and ensure pots have drainage holes. If the problem persists, repot with fresh, well-draining mix.
Leggy growth: This means your herbs aren't getting enough light or you're not harvesting enough. Move to a brighter position and harvest more aggressively – it seems counterintuitive, but cutting encourages bushier growth.
Sudden wilting: Check for root rot by gently removing the plant from its pot. Healthy roots should be white or light brown. Black, mushy roots indicate rot – trim away affected roots and repot in fresh mix.
Budget-Friendly Fertilising
Herbs don't need expensive fertilisers to thrive. In fact, over-fertilising can reduce the intensity of their flavours.
Worm castings from Bunnings ($8-12 for 5kg) are gentle and long-lasting. Sprinkle a handful around each plant every 6-8 weeks. Alternatively, save your coffee grounds and banana peels for a homemade compost tea. Soak coffee grounds in water for 24 hours, strain, and use the liquid as a mild fertiliser every few weeks.
Liquid seaweed fertiliser ($6-10 for a concentrate that makes litres of solution) is another excellent budget option. Dilute according to package directions and apply monthly during the growing season.
Recipe Ideas to Use Your Harvest
There's no point growing herbs if you're not sure how to use them! Here are some simple ways to make the most of your fresh harvest:
Herb butter: Mix chopped chives, parsley, and a touch of oregano into softened butter. Roll in plastic wrap and refrigerate. Perfect for garlic bread or melting over grilled meat.
Fresh pesto: Basil leaves, a clove of garlic, pine nuts (or cheaper sunflower seeds), parmesan, and olive oil blitzed in a food processor. Freezes beautifully in ice cube trays.
Herb salt: Mix chopped herbs with coarse salt and spread on a baking tray. Dehydrate in a low oven (50°C) for 2-3 hours. This preserves excess harvest and makes great gifts.
Asian-style herb salad: Combine mint, coriander, and Thai basil (if you can find it) with rice noodles, shredded vegetables, and a simple dressing of lime juice, fish sauce, and a touch of sugar.
