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Watch our Video
Rhododendron 'Mary Helen' (Azalea Group)Evergreen 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.
Woody plant, usually having a permanent framework of branches.
Capable of withstanding outdoor winter temperatures down to -15C.
FROM £16.99
Later flowering evergreen Azalea
Brings colour to the garden even on dull winter day
A striking specimen shrub
Delivery Information
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Height Up to 75cm (30in)
Spread Up to 120cm (48in)
Hardy Shrub
patiolow maintenance gardenexotic gardenspecimen plantwoodland garden
sun or semi shade
JAN
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Flowering Months
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Description
How to Grow
Video
One of the later flowering evergreen Azaleas, but well worth the wait! Rhododendron 'Mary Helen' produces large, pristine white flowers with contrasting dark anthers from early June. The broadly spreading branches are cloaked in glossy green foliage throughout the year, bringing colour to the garden even on dull winter days. A striking specimen shrub for acid borders and shaded woodland gardens. Height: 75cm (30"). Spread: 120cm (48").
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.
Show Codes
2 x 3 Litre Potted Plants (TKA1331)
2 x 2 Litre Potted Plants (TKA1329)
1 x 3 Litre Potted Plant (KA1330)
1 x 2 Litre Potted Plant (KA1328)
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.
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 £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.
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