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Plant Disease Profile: Rose blackspot
July 15, 2012 This plant disease's name is very descriptive and very apt. The rose blackspot is a fungus which grows on your roses. This fungus produces dark spot marks on rose stems and leaves. The plant's leaves will turn yellow and fall off before autumn arrives. Sadly, winter doesn't kill this fungus since its spores will overwinter on roses' fallen leaves. As a result, it can reinfect the plant come spring as the rose's new foliage comes in.
The rose blackspot does not directly kill roses. However, it can greatly weaken a rose-especially if the blackspot occurred very early in the season.
Organic solutions to blackspot
Make sure to keep your roses' surroundings clean. Always pick up and dispose of fallen leaves. Cut out any blackspot stems as you prune. During late winter, make sure to put a thick layer mulch around infected plants' base so rain can't splash spore-infected soil to the plants' new growth in the spring. Also, pick blackspot-resistant rose varieties.
Chemical solutions
Use fungicide. Apply to new foliage during early spring. Follow up with further sprayings spread out in regular intervals.
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Always the opening times, promotions and directions of garden centers on your iPhone? Download the Garden Center Guide App from the App Store for FREE! Very handy, now you know exactly which garden center is open nearby. Click here to download the App from the App Store.
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Is your garden center or nursery already listed on the Garden Center Guide? You can get a free listing which includes a link to your website. You can also publish promotions, job vacancies and opening times on your own page. It's all for free so don't wait and sign up today!
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The Garden Center Guide is proud to be member of the Garden Centers of America and supports independent garden centers in the US.
Write a garden center review and win $25 !
Write a review of your own local garden center and win $25! We give away a prize each month. The more reviews you write, the bigger the chances! Share your personal shopping experience of your garden center with our other visitors so they can decide to visit your favorite garden center - or another retailer if your review isn't positive at all. Don't wait and write your review: find your local garden center on the Garden Center Guide and add your review!
Webshops
Are you looking for gardening products and do you want to order them online? Have a look at our selected garden webshops and buy a product where ever and whenever you want.
Garden center chains
On the Garden Center Guide you can find information of the biggest garden center chains of the US. Click on the name of the chain for more information:
- Ace
- Armstrong garden centers
- Calloway / Cornelius Nursery
- Earl May garden centers
- Green Thumb Nursery
- Houston Garden Centers
- IKEA
- Mahoney's garden center
- Meadows Farms Nurseries
- Merrifield Garden Center
- Orchard Supply Hardware
- Pasquesi Home and Gardens
- Petitti Garden Centers
- Pike Nurseries
- Sears
- Star Nursery
- Stein Garden & Gifts
Please visit this page for more information about garden center chains in the US.