Osmocote® Exact Standard
SKU: OSMO-12M/05
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Osmocote® Exact Standard 3-4M is a controlled-release fertiliser for short crop cycles and late potting of actively growing plants. It supplies nutrients for approximately 3–4 months at 21°C.
Rates are grams per litre of unfertilised growing medium (g/L).
| Plant type | Light feeding | Normal feeding | Heavy feeding |
|---|---|---|---|
| Container nursery stock | 1–2 g/L | 1.5–2.5 g/L | 2.5–3.5 g/L |
| Pot plants | 1–2 g/L | 2–3 g/L | 3–4 g/L |
| Bedding plants and annuals | 1–2 g/L | 2–3 g/L | 3–4 g/L |
Example: 3 litres of growing medium at 2 g/L requires 6 g per container.
Adjust rates for crop, season and growing conditions. Trial changes on a small scale.
Warmer growing media shorten the feeding period; cooler conditions extend it.
| Growing-medium temperature | Approximate release period |
|---|---|
| 16°C | 4–5 months |
| 21°C | 3–4 months |
| 26°C | 2–3 months |
Keep dry and reseal opened or damaged bags securely.
Contact East Riding Horticulture on 01904 608157 or sales@erh-ltd.co.uk for help choosing your feeding programme.
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