Healthy Plants, Guaranteed – If your plant doesn’t thrive, we’ll replace it.
Healthy Plants, Guaranteed
If your plant doesn’t thrive, we’ll replace it.
Packed for Plant Health
Carefully prepared to arrive healthy and ready to plant.
Australia-Wide Delivery
Delivered directly from our nursery network.
Real Nursery Stock
Grown by professional Australian nurseries.
Richgro 25L Black Marvel Potting Mix - 25L is backordered and will ship as soon as it is back in stock.
Unlock More Discounts - More Plants, More Savings!
Get up to $100 OFF on your order .
| Discount Level | Cart Total |
|---|---|
| $10 OFF | $200 - $999 |
| $50 OFF | $1000 - $2999 |
| $100 OFF | $3000 or more |
Can I pick up my order?
No. We operate as an online-only nursery and do not offer customer pickups.
Can I delay delivery?
Yes. Add your preferred delivery timing in the order notes at checkout.
What if I’m not home for delivery?
Your order will be left in a safe location at the delivery address.
What if my plants don’t arrive healthy?
Every order is covered by our 30-Day Satisfaction Guarantee.
Covered by our 30-Day Satisfaction Guarantee for complete peace of mind.
Get personalised advice from an experienced garden designer and plan your garden with confidence before you buy.
Personalised recommendations tailored to your space, climate and goals, delivered by email.
Order online and save time.
Sourced from the nearest centre and shipped direct.
Every order backed by our guarantee.
Suitable Plants for Shady Areas: Your Complete Australian Guide Shady gardens can be some of the most beautiful and tranquil spaces — if you choose the right plants. Whether...
Read More
Summer Garden Maintenance Tips: Keep Your Australian Garden Thriving Australian summers can be harsh — with intense sun, heatwaves, and unpredictable rain. Whether you're a beginner or a seasoned gardener,...
Read More
How to Grow the Perfect Hedge A well-grown hedge is one of the most valuable features in any garden. Whether you want privacy, noise reduction, wind protection, or simply...
Read More
Richgro 25L Black Marvel Potting Mix is a premium-grade potting mix formulated to deliver fast, visible results for flowering plants, vegetables, and fruit. High in potash and enriched with iron, it promotes stronger roots, greener foliage, and higher-quality blooms and produce.
✔ High in Potash – Encourages juicier fruit, sweeter harvests, and improved flower quality.
✔ Added Iron – Promotes healthy root development and deep green foliage.
✔ 6 Month Feeding – Controlled release nutrients keep plants fed and thriving for up to six months.
✔ Built-In Soil Wetter – Improves water absorption and remains effective for up to six months.
✔ Premium Grade Certified – Developed through extensive research and complies with AS3743 standards.
✅ Flowering Plants – Supports vibrant blooms and extended flowering periods.
✅ Vegetables & Herbs – Encourages strong growth and productive harvests.
✅ Fruit Trees & Citrus (in pots) – Boosts fruit quality and overall plant health.
✅ General Container Planting – Ideal for pots, planters, and raised containers.
Product Type: Premium potting mix
Volume: 25 litres
Feeding Duration: Up to 6 months
Key Nutrients: High potash, added iron
Soil Wetter: Included, effective for up to 6 months
Standard: AS3743 Premium Grade Potting Mix
Use: Suitable for a wide range of potted plants
How to Use: Fill containers, plant directly, and water thoroughly after planting.
Best Use: Potting and repotting container-grown plants.
Watering Tip: Initial deep watering activates nutrients and soil wetter for optimal performance.
How long does this potting mix feed plants for?
It contains controlled release fertiliser that feeds plants for up to six months.
What makes this mix good for flowers and fruit?
The high potash content improves flower colour, bloom quality, and fruit sweetness.
Does it help with leaf colour and root strength?
Yes, added iron promotes deep green leaves and healthy root development.
Is this a premium-quality potting mix?
Yes, it complies with AS3743 for premium grade potting mixes.
Can it be used for vegetables in pots?
Yes, it is ideal for vegetables, herbs, fruit, and flowering plants grown in containers.
Choose Richgro 25L Black Marvel Potting Mix for stronger growth, healthier foliage, and outstanding flowers and harvests in all your pots and planters.
Select size