
Searles Flourish Orchid Booster Fertiliser – Water-Soluble Plant Food 500g
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Support strong, healthy growth and prepare your orchids for brilliant flowering with Searles Flourish Orchid Booster Fertiliser. This water-soluble formulation delivers a higher nitrogen ratio to strengthen plant structure and boost leaf development, making it the perfect foundation feed before bloom-promoting fertilisers.
- Formulated for use on all orchid varieties
- Strengthens plant growth and leaf development
- Ideal as a pre-bloom feed to prepare orchids for flowering
- Fast-acting, water-soluble blend with added trace elements
- Suitable for pots, baskets, and orchid growing media
- 500g tub makes up to 500L of liquid fertiliser
- Made in Australia
Application: Dissolve 1 heaped teaspoon (approx. 5g) in 5 litres of lukewarm water. Apply every 7–14 days during active growth. Water orchids before applying and avoid feeding during high temperatures or moisture stress.
Downloads:
Instruction Guide (PDF)
Safety Data Sheet (SDS) (PDF)
Shipping Schedule and Biosecurity Information
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- Dispatch Day: All orders are dispatched on Tuesdays.
- Cut-off for Same Week Dispatch: Orders must be placed by Monday 7am (AEST) to be sent that week. Orders placed after this will be dispatched the following Tuesday.
WA, NT & TAS Orders
- Cut-off: Orders to WA, NT and TAS must be placed by Friday 7am (AEST) to be included in the following week’s dispatch.
- Treatment & Delay: These orders require biosecurity treatment and certification, which is completed each Friday. Please allow an additional 1–2 weeks for processing.
Plant Health Certification (PHAC) Fees
- $20 fee applies to WA orders.
- $10 fee applies to NT and TAS orders.
- This fee is per order (not per plant) and is included in your shipping cost at checkout.
Please note that we operate independently from Collectors Corner. For any enquiries, please refer to our contact page.

