Verbena hastata 'Rosea'
- Position: full sun
- Soil: moist, well-drained soil
- Rate of growth: average
- Flowering period: June to September
- Flower colour: mid-pink
- Hardiness: fully hardy
Long-flowering, upright perennials that produce slender, branching spires, which are crowded with buds that open slowly from the base, to small, clear pink flowers throughout summer. Their interesting form makes them ideal for creating ertical interest towards the back of the border.
- Garden care: Protect plants in winter with a dry winter mulch around the crown.
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Q:Powdery mildew on my plants
Hi, I wonder if your plant doctor may be able to answer a query for me. I have bought a few Verbenas from yourselves and they all seem to have suffered the dreaded powder mildew problem. I have sprayed with a recommended product and discarded the affected leaves but don't know if I have sorted the problem or not sufficiently? I read that this often affects plants that are under stress, - I did keep all the plants potted up (although some in larger pots than at purchase) close to each other for some time. I wonder if that might be why this happened ? Any advice would be welcome. They are now all in the garden and hopefully will thrive. SueAsked on 9/3/2009 by Sue Hulkes
A:Hello Sue, Powdery Mildew is caused by the plants being too dry and having poor air circulation, which are usually made worse when the plants are growing in pots. It sounds as of you have tackled it correctly, so they should improve. For more information you can click on the following link. http://www.crocus.co.uk/pestsanddiseases/_//top12/Powdery%20mildew/ArticleID.1174 I hope this helps. Helen Plant DoctorAnswered on 9/4/2009 by Crocus Helpdesk
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