ICL Sierrablen Flora Controlled Release Fertiliser 25kg is a premium fertiliser designed for long-term, sustainable feeding of flowering plants, trees, shrubs, and ornamental gardens. This controlled release fertiliser ensures plants receive a steady supply of essential nutrients over a prolonged period, reducing the need for frequent applications and providing consistent plant nourishment. Ideal for use in both residential gardens and professional landscaping projects, Sierrablen Flora promotes vibrant flower blooms, lush foliage, and overall plant health.
Formulated with high-quality, slow-release nutrients, ICL Sierrablen Flora is perfect for applications in flower beds, hedges, borders, and container plants. It supports the development of strong root systems and vibrant flowering, helping to enhance the aesthetic appeal of landscapes throughout the growing season. This controlled release formulation ensures that nutrients are available exactly when plants need them, reducing the risk of nutrient leaching and providing an eco-friendly solution for gardens and landscapes.
Features & Benefits
Controlled Release Technology: Nutrients are released gradually over several months, reducing the need for frequent fertilising and minimising the risk of leaching.
Promotes Healthy Growth: Ideal for plants that require continuous, balanced feeding for optimal growth and flower production.
Perfect for Flowering Plants: Supports vibrant and long-lasting blooms, making it perfect for flower beds, borders, and ornamental plants.
Long-Lasting Effects: Provides up to 6 months of feeding in a single application, offering convenience for busy gardeners and landscapers.
Reduces Fertiliser Runoff: The controlled release reduces nutrient loss due to heavy rain or irrigation, making it more efficient and environmentally friendly.
All-Season Use: Can be applied in spring or autumn, providing nutrition for plants throughout the growing season.
Easy to Apply: Granular formulation allows for easy spreading and even distribution across garden beds and planters.
Applications & Rates
ICL Sierrablen Flora is suitable for use across a wide variety of ornamental plants, flowering plants, shrubs, and trees, and is particularly effective in areas where continuous feeding is required for vibrant blooms and healthy foliage.
Application Rate:
For Flower Beds & Borders: Apply 50g–70g per square meter.
For Shrubs & Trees: Apply 100g–150g per plant depending on size.
For Containers & Hanging Baskets: Use 50g per plant.
How to Apply:
Scatter the granular fertiliser evenly across the soil surface.
Lightly rake or mix it into the –10 cm of soil to ensure even distribution.
Water thoroughly after application to activate the release of nutrients.
When to Apply:
Apply in spring or early autumn for best results.
Can also be used in summer for sustained feeding if necessary.

Specification Details
Product Name ICL Sierrablen Flora Controlled Release Fertiliser 25kg
Nutrient Content (NPK) 20-5-10 (Nitrogen-Phosphorus-Potassium)
Release Technology Controlled Release (up to 6 months)
Application Rate (Flower Beds & Borders) 50g–70g per square meter
Application Rate (Shrubs & Trees) 100g–150g per plant
Application Rate (Containers) 50g per plant
Coverage 25kg covers approximately 350–500 square meters
Application Method Scatter and lightly work into the –10 cm of soil
Usage Period Apply in spring or early autumn
Ideal Application Period Spring or autumn for optimal results