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Rhododendron viscosumDeciduous Azalea, Swamp Azalea

Hardy Shrub

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

FROM £41.19

20% (1 Review)
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Showy late spring blooms

Good autumn colour

Ideal for a cold north facing position

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Please note: This product cannot be delivered outside the United Kingdom.

Height Up to 250cm (98in)
Spread Up to 250cm (98in)

Hardy Shrub

patiolow maintenance gardenexotic gardenspecimen plantwoodland garden

sun or semi shade

Flowering Months

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A bushy, deciduous, shrub with hairy shoots and dark green leaves with glaucous undersides. The foliage of Rhododendron viscosum turns a wonderful range of yellow, orange and purple hues in autumn. From May to July, clusters of narrow, funnel-shaped, white flowers flushed with deep-pink provide a deliciously sweet fragrance similar to honeysuckle. As the common name suggests, this Swamp Azalea prefers a consistently moist soil, although not waterlogged, and thrives happily in full sun, although it also will tolerate part shade. A superb specimen shrub for a moist woodland edge on acid soils. Height and spread: 2.5m (8').

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.

2 x 18 litre potted rhododendron plants (TKA3435)
2 x 5 litre potted rhododendron plants (TKA3433)
1 x 18 litre potted rhododendron plant (KA3434)
1 x 5 litre potted rhododendron plant (KA3432)

How to Grow
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.
More Info
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.

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 £5.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 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.

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



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