It is usually an easy plant to grow, but can have an aura of mystery surrounding two items in particular: first, when and how to prune the plant, and second, a problem of shoots wilting and dying back. I know what you mean about planting any spare bit of earth with a plant, and later on when your clematis are settled you can plant closer - the roots need to be cool while the head needs to be warm - some people put stones or such over the rooted area for clematis'. Sometimes I feel like sending out for a 12 inch pizza for them!! Here is an organic solution I use on mildew: Many thanks to you all for the help. Careful attention to planting British Clematis Society. Chicken pellets are good for most general fertilising - clematis are one of the few plants for which I buy a specific fetiliser as they are such greedy platns, and need all the grub they can get! coverage or login to the members section. Consult the leaflet for a more comprehensive 6 Pests, Diseases and Disorders of Think I will continue on that road as it seems to have worked so far. Clematis is one of the most popular climbing plants, its showy flowers giving an eye-catching display. Perhaps I will leave space around it and see what happens. as difficult plants. There are also a few other problems to look out for. “I am not lost, for I know where I am. As said earlier, this year has just been a difficult one for many things, mildew included - the bases of the echinops are well covered with it as well. rare. It is prominent in localities where there is little air movement, where plants are grown in the shade and where high night humidity occurs. Most of the following extracts are taken from I shall try the organic solution and certainly look at the web site for fertilizers. and subsequent cultivation will produce vigorous No. I use chicken pellets for general fertilising, and then for roses and other flowering shrubs such as clematis I use this, http://www.vitax.co.uk/index.php/area/home-garden/organic-plant-feeding/organic-rose-food/ or similar. problems. CLEMATIS PESTS AND DISEASES AND HOW TO COPE! It is one called Durandii and it flowers really well every year but also suffers with mildew. My veronicas look as if they've been dipped in flour - there's so much mildew on them! Are there any solutions for this. Have been trying to take cuttings (without success) just in case. Hopefully next year will be much better. The disease is favoured by warm, humid, conditions but is discouraged by rainy weather. plants. of the RHS Advisory Service, © 2007 Clematis is the type of plant that thrives wherever they grow Originating from Texas in United States and introduced to the UK as early 1868, C. Texensis cultivars are tolerant to the sun or part shade and require humus rich soils, with plenty of water especially in spring and early summer to avoid possible problems with mildew later. It is  one called Durandii and it flowers really well every year but also suffers with mildew. Thanks Bookertoo. Wilt is usually blamed for any and all collapsed Powdery mildew Clematis are very prone to infection by powdery mildews, especially under conditions of water stress. Powdery mildew is a fungal disease of the foliage, stems and occasionally flowers and fruit where a superficial fungal growth covers the surface of the plant. The Royal Horticultural Society is the UK’s leading gardening charity. Clematis Powdery Mildew History of the Clematis: Pests and Disease : Price: Powdery Mildew Generally is a sign of water stress/ lack of feed/ poor planting conditions etc.. , this looks worse than it actually is, and can be treated with many sprays such as Westland Plant Rescue Control. clematis - experts at the Royal Horticultural Clematis can be affected Most plants have tended to have mildew this year, loads of rain early followed by sun and migginess- ideal onditions. Trouble is when I have spare soil I must put a plant or plants in it. by many pests, and diseases but should not be regarded many plants have a larger than usual amount of leaf due to the wet, this overhangs the ground and so tends also to enourage the damp humid conditions right for mildew. Are there any solutions for this. Powdery mildew outbreaks can, however, vary from season to season without there being obvious differences in the weather. There were plants around it but I have cleared them out as they were getting far too big and not flowering. I shall take some leaves off to get some air in and hope for the best. There are many other causes of collapsed But however, where I am may be lost.”, http://www.vitax.co.uk/index.php/area/home-garden/organic-plant-feeding/organic-rose-food/. Society note that it is actually relatively Clematis prepared for the Society by members it does get a bit of fertiliser around April time along with everything else, but that is it really. attacks and avoiding disorders. Have been trying to take cuttings (without success) just in case. This treatment will also limit some mildew prone clematis from becoming too unsightly as the season progresses. Are there any neighburing plants that c ould do with a haircut and so let more air to your 'Durnadii'? Does anyone have aproblem with mildew on clematis. Log in or register to join the conversation. Have given it tomatoe feed a couple times but perhaps chicken pellets would be better (have never used them but have read about them). Avoid water stress and treat infections with an appropriate fungicide. The disease only affects leaves and young stems where it is unsightly but not fatal. I have this clematis also, it is very lovely - though I totally ignore it from one year to the next so am always delighted when it reappears. plants capable of surviving most pest and disease Does anyone have aproblem with mildew on clematis. Avoid damage to brittle mature vines by domestic pets and garden tools. Powdery Mildew on a Clematis. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place. Diseases - Wilt - Slime Flux - Mildew Pests - Vine Weevils & Other Bugs - Greenfly - Whitefly - Leaf Miner; Other Worrying and Frequently Asked Questions; DISEASES WILT: Clematis are pretty much trouble free, suffering from … Adapted and abridged from BCS Fact Sheet (The plant is lovely and I've had it about six years.) (The plant is lovely and I've had it about six years.) Clematis vines climbing up a fence or trellis create a cascading wall of flowers and foliage, but powdery mildew can turn these attractive plants into a dying mass. the BCS Fact Sheet on this subject and cover common