Deep Rootrainer Refill Books/Cells

Deep Rootrainer Refill Books/Cells ideal for refilling an existing Rootrainer frame or using with other types of seed tray.

Benefits: Reusable - can last for up to 6 years Especially brilliant for sweet peas, runner beans, broad beans, French beans, sweetcorn, strawberries and all deep rooted flowers, fruit and vegetables The cells open up like a book for easy transplanting without root disturbance Grooved to direct roots downwards and straight Air pruning system prevents pot-bound plants Air Pruning: The first roots race down the special grooves and quickly emerge through the drainage holes.