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RHS Bulb Starter with Rootgrow and Biostimulants

Ensures the ideal biological conditions for bulbs to germinate, grow and flower. Designed around Rootgrow mycorrhizal fungi, it includes vermiculite for drainage in the root zone, seaweed meal to stimulate root development, and humates to encourage growth. Prepare the planting hole, apply 5-10g for small bulbs or corms, 10-20g for large bulbs or tubers before planting the bulb, then cover and water.

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