Video:Problems Growing Roseswith Marie Ianotti
Find out how to properly care for your roses, and how to troubleshoot common rose growing problems that may come up.See Transcript
Transcript:Problems Growing RosesAny gardener who has grown roses knows that sooner or later you are going to encounter a problem or two. Choosing the right type of rose and giving it the care that it needs are common sense approaches to carefree plants. Planting your roses in combination with other plants, rather than in an exclusively rose garden, can further cut down on problems. The best remedy for rose problems is a good defense. Prevent rose problems before they occur by:
Choosing Resistant VarietiesWhere you are gardening plays an important role in which roses you should be growing. Humid areas will always be prone to mildew. Hot, dry climates need roses that can withstand a little drought.
Keep Them Healthy & VigorousPests are bullies and they will pick on the weakest plants first. Unless you’re growing roses to compete, rose bushes aren’t nearly as fussy as you may have been led to believe.
- Keep your roses watered and fed.
- Don’t over do the nitrogen.
- Prune to allow air circulation, particularly in humid climates.
- Stop pruning at least 6 weeks before expected frost, so new growth is not damaged by the cold.
- Mulch around rose plant roots to prevent soil born diseases from splashing onto leaves.
Clean up Fallen Debris and Dead and Diseased Plant PartsGood sanitation can foil a lot of problems. A mildewed leaf that falls and remains on the ground will send spores to the rest of the plant. Fallen leaves can provide a safe haven for insects and diseases to over-winter and re-infest the plant next season. A damaged or dead branch is an inviting entry point for many pests.
Learn Which Insects are Problems and Encourage the Good GuysRandom spraying of insecticides does more harm than good. Encourage the insects that feed on these pests. If there are no pests, there will be no reason for the beneficial insects to take up residence in your garden. There needs to be a balance in your garden.
- Lady beetles are renowned aphid eaters.
- Green Lacewings eat aphids, mites, thrips and many insect eggs.
- Predatory Mites feed on thrips and spider mites.
- Parasitic Wasps attack caterpillars.
Avoid Annual Diseases with a Preventative SprayEven during years of drought, humid climates can expect some Black Spot on roses. A dormant spray of a fungicide applied after pruning will help greatly in offsetting the problem. A rose fungicide containing either lime or copper is a good low toxic choice.
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