Westland Rose Specialist Planting Mix is a premium, peat-free blend expertly formulated to give roses exactly what they need to thrive. If you’re searching for the best compost for roses or wondering how to plant roses for long-lasting blooms, this rose planting mix delivers exceptional results. Enriched with sulphur and a unique zinc complex, it helps build strength from within, supporting overall plant resilience and long-term health.
This specialist rose compost works to protect roses against common problems such as black spot and rust, while also improving the quality of the rose soil around the plant. This then results in stronger roots, healthier growth, and those signature green, glossy leaves gardeners love. It also encourages abundant, vibrant flowers, helping your roses produce bigger and brighter blooms throughout the season.
With up to six months of slow release feed, Westland’s rose compost ensures consistent nutrition for fast establishment and steady, reliable growth. Whether you’re planting new roses, repotting established ones, or simply improving your rose care routine, this mix supports every stage of development.
- 6 month slow release feed
- Added sulphur to help withstand blackspot
- Aids fast establishment
- Added zinc complex helps build plant resilience
- Click here to find out more about our specialist composts
Sizes available
- 10L - Coming Soon in Jan 2026
- 46L
- How to use
- Product Details
- Tips and advice
How to Use
Rework the compost between your hands to allow it to regain its intended texture.
Potting
Thoroughly water the plant, gently tap the pot to remove the plant, and shake off loose compost. Half fill the pot with new compost, place the plant in the pot, fill gaps with more compost, firm in and water.
Planting Out
Dig a hole approximately. twice the depth and diameter of the root ball. Place the plant in the hole with new compost, fill gaps with more compost, firm in and water.
Aftercare
If plants appear pale or leaves are yellow, supplementary feed should be applied. Removing dead flowers after they have bloomed ensures maximum plant energy for up to 3x more flowers!
When to Use
It can be used throughout the year when potting or planting out rose plants.
For Beautiful Blooms
Rose Specialist Liquid Plant Food contains the right balance of essential nutrients and is enriched with seaweed to promote vigorous growth and build resistance to pests and diseases, resulting in more beautiful blooms.
Why Use?
BUILDS STRENGTH FROM THE ROOTS UP
Formulated to establish strong, resilient roots for lasting plant health and vitality.
PROTECTS & STRENGTHENS NATURALLY
Enriched with slow release iron to boost plant immunity and maintain the optimum pH for acidic plants.
FEEDS FOR VIBRANT, ABUNDANT BLOOMS
Provides up to six months’ nutrition for bigger, brighter flowers and lush, glossy foliage.
ZINC COMPLEX TO BUILD STRENGTH FROM WITHIN
Zinc complex helps build and sustain plant immunity, enabling them to better withstand pest and disease attack, resulting in nourished, protected, and flourishing ericaceous plants. Zinc complex is also important in the production of plant growth hormone auxin, which contributes to:
- Improving the transport of water and nutrients around plant
- Promotes root and shoot growth for stronger, healthier plants
- Encourages photosynthesis for plant energy production
General Advice
- Use in a well ventilated place and avoid breathing in dust.
- Always wear gloves when gardening and wash your hands after use.
- Not suitable for ericaceous plants.
- Reseal the bag after use.
- Don’t forget to deadhead to encourage more flowers.
Frequently Asked Questions
Q. Will my pets or wildlife be attracted to this product?
A. Westland Rose Specialist Planting Mix does not contain organic elements, so it should not be attractive to animals.
Q. Can I use this compost for my houseplants?
A. Westland Rose Specialist Planting Mix can be used with larger flowering houseplants; however, you may want to choose a more specific mix to your requirements, for example, our Houseplant Potting Mix.
Q. Can I use this compost for Fruit & Vegetables?
A. Yes, you will get great results with this compost with your fruit and vegetables. Supplement with a suitable liquid plant feed if you are growing particularly nutrient hungry crops.
For any questions or advice, please contact our technical advice line on: 01480 443789 (Mon – Fri 10am – 4pm) or email customerservice@westland.com