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 10kg Black Marvel Rose And Flower Food - 10kg 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.
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Richgro 10kg Black Marvel Rose and Flower Food is a premium, high-analysis fertiliser formulated to deliver fast results and sustained feeding for roses and flowering plants. Highly soluble and nutrient-rich, it promotes vibrant blooms, strong roots, and healthy green foliage.
✔ High Potash Formula - Encourages abundant, colourful, and long-lasting blooms.
✔ High in Iron - Supports strong root development and deep green foliage.
✔ Added Trace Elements - Improves overall plant health and performance.
✔ Built-In Soil Wetter - Helps water penetrate deeper into the root zone.
✔ Fast Results with Ongoing Feeding - Delivers rapid response while feeding for up to two months.
✅ Roses - Specifically formulated to maximise flowering and plant strength.
✅ Flowering Shrubs - Enhances colour, vigour, and bloom performance.
✅ Garden Beds - Ideal for in-ground flowering plants.
✅ Pots & Containers - Suitable for container-grown roses and flowers.
Product Type: Rose and flower fertiliser
Weight: 10 kg
Nutrient Focus: High potash, iron, trace elements
Release Type: Gradual feeding
Form: Granular, highly soluble
Soil Wetter: Yes
Application: Apply evenly around the base of plants.
Watering: Water in well to activate nutrients and soil wetter.
Feeding Period: Provides nutrition for up to two months.
Frequency: Reapply as required during active growth and flowering.
Is this fertiliser suitable for all flowering plants?
Yes, it is ideal for roses and a wide range of flowering plants.
Does this fertiliser work quickly?
Yes, it is fast acting and delivers visible results quickly.
Will this improve leaf colour and root strength?
Yes, the added iron promotes deep green leaves and strong roots.
How long does one application last?
It feeds plants gradually for up to two months.
Does it help with watering efficiency?
Yes, the included soil wetter helps water reach plant roots more effectively.
Supplied in a 10kg bag and packed for easy handling, transport, and storage.
Achieve healthier plants and stunning flowers with Richgro Black Marvel Rose and Flower Food.
Select size