Roses are one of the most popular flowering shrubs grown today, with thousands of different cultivars available, and more being released every year. They have been prized by gardeners across the ages for their colour and fragrance. There are many different sizes and shapes now available, from large scrambling climbers, through to low spreading groundcovers. Some also have the added interest of hips that mature into beautiful reds and oranges throughout the autumn.
Before selecting a rose there are some important things to consider.
When selecting a rose, make sure that it has good strong branching, with healthy growth all over the plant. Mark sure that the branches are nice and firm, with no signs of black spots, bad tearing, or scale. The leaves should be green and firm, with few signs of disease or yellowing.
Fewer nurseries stock bare-rooted roses these days as they can often be unreliable. If purchasing a bare-rooted rose try to select one that has not had the roots exposed. Root exposure can reduce the success of the plant surviving once planted.
If we do not have exactly what you want, talk to us. We will probably be able to recommend an alternative, or possibly order the exact rose you are looking for.
Once you have made your rose purchase, its time to plant. Planting as soon as possible after purchase makes caring for your rose a lot easier. If planting in the ground, prepare first by digging in some good quality compost. This will help hold nutrients and water in the soil around your plant. Water the rose well before planting with Gill’s Plant Starter, to minimize transplant shock. Dig a good width hole, the depth should be slightly deeper than the pot the rose is in. Remove the rose from the pot, teasing the roots out slightly, and ensuring the level of the potting mix remains at the same level as the surrounding soil, move the soil and compost back in around the roots.
If the rose is to be potted, make sure you have a large enough pot, and an appropriate rose for potting. When potting a rose, it is important to use a premium grade potting mix. Follow the same procedure as for planting a potted rose.
If it is a standard rose, it will require staking. You must use a firm stake; quite often the stake the rose was provided with will be too flimsy. Use soft plant ties that won’t cut into the stem. Fertilise with Sudden Impact for Roses once the roots have established.
Once your rose is planted, water regularly. This may be every day during hot weather, or every second day during milder weather. Once a week for the next two months apply plant starter, or seaweed based fertilizer, to encourage root establishment. Once the rose is established (approximately 4-6 months), it will appreciate regular deep watering, we recommend 2-3 times a week during summer. When watering, it is important to avoid wetting the foliage. This will help to prevent the occurrence and spread of fungal diseases like black spot and powdery mildew. If wetting the foliage is unavoidable, water in the mornings so that it has an opportunity to dry out during the day.
Fertilise every 6-8 weeks during the growing season with a good rose fertilizer like Sudden Impact for Roses. Regular applications of liquid fertilizer like Seasol will also keep your rose healthy and blooming for months. A healthy plant is better able to withstand drought and pest and disease attack.
Pests and Diseases
To control pest and disease attacks, it is best to identify them early and treat as soon as possible. Some common ones to look out for are aphids, thrips, black spot, powdery mildew and rust.
For aphids or thrips, use Confidor and for mites, use Buguard or Ecomeen. This will give you residual protection for 8-14 days.
Rose scale is best tackled with a horticultural oil to smother the insects such as Pest Oil.
For fungal diseases, remove any affected material and throw in the bin. This includes leaves that have already fallen, as they will harbour spores that can re-infect your plants. If you want to use a relatively safe method of control, spray every couple of weeks with a copper based spray during spring and autumn when most these diseases are prevalent. For stronger control, use a rose black spot spray.
Always use sprays according to the manufacturers directions, and always war appropriate safety gear.
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