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Growing Success Hydrangea Colourant 500g - Change Pink to Blue


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  • Description
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Growing Success Hydrangea Colourant for changing pink hydrangeas to blue. hydrangeas growing in the presence of iron or aluminium salts will tend to change colour and produce blue flowers. Varieties naturally pale pink tend to blue best, the darker pink varieties turning to mauve/blue. Best results are obtained with plants growing in acid soil.  Where the soil is alkaline use ericaceous compost and double the application rate.

  • Mix Hydrangea colourant with the soil at the rate of 50 grams per sq. metre. During growth water weekly with 50g per 5 litres of water. For outdoor grown Hydrangeas apply to the area of soil covered by the bush itself, do not apply directly onto the plant foliage. 
  • For Container Grown Hydrangeas mix growing success when potting, 50g per 5 litres of compost. Water every 7 days during the growing season dissolving 25g of colourant per 5 litres of water.
  • The colour of all lime hating shrubs can be intensified by treating the soil with colourant at the same application rate.

Product Details

  • Manufactured by: Growing Success
  • 0 Units in Stock
  • Shipping Weight: 0.6Kgs
  • Our Code: 5017406335006
  • MPN: 5017406335006
  • EAN: 5017406335006

Manufactures Information

Growing Success

Delivery & Returns

For full details including conditions, please see our Shipping & Returns page.

Just Briefly:

We supply to the UK only.

Priority will be given to orders received before 12:00noon for a same day dispatch. (Excludes: Saturdays, Sundays and ALL Bank Holidays). To avoid disappointment, orders must be received by 12:00pm to achieve a FedEx Next Working Day service.

We use FedEx Next Working Day, FedEx (Upto) 3 Day, Royal Mail 1st & 2nd Class

Sorry, Orders over the value of £50 will require a signature.

See below for our cheapest postage prices delivered to mainland England, Wales and southern Scotland destinations only. For all other areas, please add item to cart and enter a destination post code for an acurate price. Premium next working day services are also available.

Order Value Postage & Packing
Up to £1.49 £1.50
£1.50 - £4.99 £1.95
£5.00 - £9.99 £2.95
£10.00 - £19.99 £3.50
£20.00 - £49.99 £3.75
£50.00 and Over Free


If you do not require the product you have purchased please advise us as soon as possible, return it to us in its original packaging and un-used condition within 30 days of receipt and we will issue a refund. Sorry, we do not pay return postage costs, unless the item is faulty or supplied incorrectly.

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Packaging/product labelling, if shown may be changed by the manufacturer without notice. Most products are photographed under artificial lighting or digitally enhanced so colours shown via your device may not fully represent a true likeness in colour tone of the actual product. Please see our Conditions of Use for further details.

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    M W Partridge & Co Ltd, 60 High Street, Hadleigh, Ipswich, IP7 5EE
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