- How to useContainer and plug plantsSprinkle rootgrow evenly into the planting hole. Only treat the base of the hole the plant will sit in (it is not necessary to treat the sides). The rootgrow granules should be in direct contact with the roots when placing into the pre-dug hole.Seeds and bulbsTo treat seeds, bulbs, sets and seed potatoes etc. Sprinkle along the seed drill or add a pinch of granules just below the position of each seed or bulb. Cover with a small amount of soil and sow or plant as normal. When the roots grow they will push through the layer of mycorrhizal fungi and become colonised.Application ratesPot size: 2L, No. of scoops per plant: 2, No. of plants you can treat with this pack: 8Pot size: 5L, No. of scoops per plant: 4, No. of plants you can treat with this pack: 4Pot size: 10L/15L, No. of scoops per plant: 7, No. of plants you can treat with this pack: 2Pot size: 25L, No. of scoops per plant: 12, No. of plants you can treat with this pack: 1Pot size: 50L, No. of scoops per plant: 16, No. of plants you can treat with this pack: 1Rootgrow can be used in conjunction with slow release or slow acting natural fertilisers. The mycorrihizal fungi are unaffected by most commercially available fungicides although these should be avoided in the first 4 weeks after treatment.Rootgrow does not work on Brassicas, Rhododendrons, Azaleas, Heathers, Cranberries or Blueberries.
Once opened store in a cool dry place, if stored correctly the product can be used up to 1 year after opening.
Please note that whilst we take every care to ensure the product information displayed on our website is correct, product recipes are regularly changed and this may affect nutrition and allergen information therefore you should always check product labels and not rely solely on the information presented here.If you require specific advice on any Waitrose branded product, please contact Customer Support on 0800 188884 or email firstname.lastname@example.org. For all other products, please contact the manufacturer.This information is supplied for personal use only. It may not be reproduced in any way whatsoever without the prior consent of Waitrose Limited nor without due acknowledgement.