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Special Offers

5 Tulip 'Ice Cream' bulbs £3.99 with any order

16 Hyacinth bulbs £3.99 with any order

2 Clematis Jumbo Plug plants £3.99 with orders over £30

Rhododendron 'Stewartstonian'Evergreen Azalea

2 Options from £49.99

Hardy Shrub
What is Hardy Shrub?
Woody plant, usually having a permanent framework of branches.
Capable of withstanding outdoor winter temperatures down to -15C.
13 Reviews

A showy display of spring blooms

Glossy evergreen foliage

Fabulous specimen plant for ericacous soils

1 x 12 litre potted rhododendron plant £49.99 Despatch: within 7 days
2 x 12 litre potted rhododendron plants £89.99 Despatch: within 7 days
Please note: This product cannot be delivered outside the United Kingdom.
Description How to Grow More Info Delivery Reviews Video
A 'must have', spectacular, semi-evergreen, hardy shrub, renowned for its fiery red, funnel-shaped blooms in late spring, and changing leaf colours through a full yearly cycle. In spring, the mahogany leaves turn a more reddish colour before turning to green through the summer months, returning to a gradual reddish hue as autumn approaches. Its final colour is a rich red from late October through November and possibly into December as emerging new mahogany coloured leaves completes the yearly cycle. Rhododendron 'Stewartstonian' is a shrub for instant visual impact when planted in a prime spot on its own, or in the mixed ericaceous shrub border. Height and spread: 1.5m (5').

Plant height and spread is seasonal therefore we list by pot size rather than a defined plant size. The height and spread of the plant delivered will vary depending on the season, meaning arrival images are an indication only.


Patio, Low Maintenance Garden, Exotic Garden, Specimen Plant, Woodland Garden

Hardy

sun or semi shade

Up to 150cm (59in)

Up to 150cm (59in)

easy

easy

Thompson & Morgan strives to ensure that all its plants are delivered to you in the perfect condition for planting. Sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this, so regretfully we are unable to ship live plants to the following areas: HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3

1 x 12 litre potted rhododendron plant (KA3420)
2 x 12 litre potted rhododendron plants (TKA3421)

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MAY
Flowering Months
Water Rhododendron plants regularly throughout the growing season. Where possible, use rainwater as the lime contained in tap water will reduce the acidity in the soil over time. Feed Rhododendrons in spring with a slow release fertiliser for acid-loving plants. Protect plants from cold winter winds. Border grown Rhododendrons will appreciate an autumn mulch to protect their shallow roots from winter cold. Take care not to mound the mulch too close to the stem as this may cause it to rot. If necessary, lightly prune Rhododendron plants in June to remove damaged shoots and restrict size.
Grow Rhododendrons in moist, well drained, acid soil that has been enriched with plenty of well rotted organic matter. Choose a position in semi or dappled shade with shelter from cold drying winds. Many dwarf Rhododendrons can cope with a sunny position provided that the soil remains reliably moist. Where soil conditions are alkaline, Rhododendron plants are best grown in patio containers, using a mix of ericaceous compost and a soil based compost such as John Innes No. 3. Rhododendrons are surface rooting so it is important to avoid planting them too deeply.

Delivery

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 £1.95.

Orders which include any other products will incur a delivery charge of £4.95.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.90 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.

Satisfaction Guaranteed

For your complete peace of mind, our Home and Garden products may be returned to us within 30 days of purchase for a refund of the purchase price. Items must be returned unused, at your cost and in mint condition. All items carry a manufacturer's 12 month defects warranty.

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