
Collectors Blend Orchiata Bark Power+ 12–18mm
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Approximately 5L of Collectors Blend Orchiata Bark Power+ 12–18mm, a premium-grade substrate crafted from aged Pinus radiata bark, provides superior drainage and airflow for optimal orchid health. The coarse 12–18mm particle size is ideal for mature orchids like Cymbidium and Dendrobium, encouraging strong root systems and long-lasting media performance. Naturally processed and pathogen-free, this large-chip bark is the preferred choice for growers demanding structure, stability, and outstanding results.
Why Orchiata?
Produced in New Zealand, Orchiata undergoes a rigorous 10-step process that includes aging, calcium/magnesium buffering, and laboratory testing to ensure exceptional consistency, cleanliness, and root-readiness. Learn more about the process here.
Note: You may notice natural fungal speckling on the bark surface — this is normal and harmless. For details, see Fungal Appearances on Orchiata.
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.

