Hydrangea macrophylla 'Blue Danube'

Hardy Shrub

FROM £29.99

68% (5 Reviews)

Deep blue flowers on acid soils and pink blooms on alkaline soils

Lovely autumn colour

Ideal for borders and large patio pots

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Choose available pack sizes:

1 x 3.5 Litre Potted Plant

£29.99

2 x 3.5 Litre Potted Plants

£49.99

Description How to Grow More Info Delivery Reviews

Hydrangea are a popular hardy garden shrub due to their large 20cm (8") diameter flowerheads with paper like petals, that retain colour well into the autumn and the fact that they are so easy to maintain. They can be planted in sun or shade, in garden borders or in large containers. Hydrangea macrophylla 'Blue Danube' has deep blue flowers when planted in acidic soil. Planting Hydrangeas in alkaline will produce pink flowers instead! Height and spread: 1m (39").

Plant Size Height Up to 100cm (40in)
Spread Up to 100cm (39in)

Hardiness & Longevity Hardy Shrub

Ideal For cut flower gardenpatiospecimen plantcottage gardenswoodland garden

Position In sun or semi shadedappled shade

Flowering Months

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Codes
2 x 3.5 Litre Potted Plants (T58102P)
1 x 3.5 Litre Potted Plant (58101)
1 x 10 Litre Potted Plant (73992)
2 x 10 Litre Potted Plants (T73993P)

When growing hydrangeas, choose a sunny or semi shaded spot that is sheltered from cold winter winds. Plant in borders in rich moist, well drained soil. Add plenty of well rotted manure to improve heavy clay or light sandy soils. Alternatively plant hydrangea in patio containers in soil based compost such as John Innes No. 3.

Feed and water container grown plants regularly. As plants increase in size they will require repotting into increasingly larger pots. In autumn, apply a mulch of well rotted manure or garden compost to the base of border grown plants. Leave faded hydrangea flower heads in place until new buds swell the following spring. These will help protect the delicate buds from frost damage. Prune stems in spring, removing any rubbing, damaged or diseased stems and reducing stems to maintain a permanent woody framework.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.