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The Perfectly Potted Rose

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Rich Binsacca

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Miniature container rose
Photo Credit: ©2000 Dolezal Publishing/Image Point
Miniature roses tend to do better in containers than their full-sized counterparts. Though the flowers tend to be smaller, their clustered bloom patterns can be prolific and dramatic.

A rose is still a rose – and an ideal container plant at that. While certain roses (most notably miniatures) are more suited to pots than other varieties, container roses still offer the same wonderful characteristics as those grown in the ground, including scent and color, and have similar care and pruning needs.

Many roses are sold in winter and early spring as bare-root plants, which simply means they’re free of any soil or container. Bare-root roses allow you to examine and evaluate the health of the entire plant before you make your purchase. A branching trio of strong, green or brown, well-spaced root stems (or “canes”) is ideal – soft, discolored and tangled roots should send up a red flag, so avoid them.

Even if you choose a compact rose variety as a container plant, you’ll need a pot large enough to support its root system – at minimum 18 inches in diameter for a single plant. Like all containers, the pot should drain freely. Be careful about what type of pot material you pick, however. Moderately porous containers are okay, but avoid those that that dry out too quickly. Roses thrive in direct sunlight during their peak growing and blooming season, so containers that wick away moisture will do so extra quickly when exposed to all that direct sunlight and heat.

Because container roses can dry out easily, it’s a good idea to shade the pots, while still making sure the plant gets enough sunlight. One way to do this is to slip a plain rose container into a more decorative cachepot to keep it cool. The best spots for potted roses include places like covered entries or under porch eaves. This should give your plants plenty of light to get those gorgeous blooms but still ensure some shade from midafternoon’s peak heat.

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Watering container rose
Photo Credit: ©2000 Dolezal Publishing/John M. Rickard
Container roses need more frequent watering than those grown in the ground. Always apply water to the soil at the base of the stem (not on the leaves) to prevent mildew or other fungal diseases.

As with inground roses, pruning container roses is essential to achieve the bloom and growth you want. The goal in pruning is to create an open and upward fan of branches resembling an open cup or vase. The branches should be free from each other, and any crossing stems should be removed. Most roses rely on new growth for their bloom, so old growth is often superfluous and will likely appear thorny and bare. An exception is some climber species; they bloom on second-year wood. Cutting away stems that have just bloomed would be cutting away the key to next year’s floral display.

In cold-winter climates, leave your rose’s last-year’s growth alone until spring – the branches hold nutrients vital for the plant to survive the winter. In spring, as new buds start to form, cut out dead, spindly and crossing branches and leave just three or four buds per remaining stem. An angled cut just above the last outward-facing growth will promote a bushy appearance and a better bloom.

Like its stems, a rose’s roots can become tangled. After a few years in a container, remove the potted rose and prune it down to a few healthy, well-spaced roots, then replant in fresh potting soil.

In contrast to most nursery starts, bare-root roses come without soil already protecting their roots. While this allows you to check for the health and firmness of the root system, it requires a special – though relatively easy – technique for planting. Just take the steps shown in the following pictures and described in their captions to plant your own beautiful container rose to enjoy this season!

Facts
  • Prevention is the best solution to plant disease. Healthy plants are less susceptible to diseases, fungi or mold, and they’re better able to resist and fight them off should they become infected. So take care of your roses, give them the light they need, avoid water stress, feed regularly, prune properly and keep a keen eye out for pests and disease. Following these good cultural practices will go a long way to discourage a scourge.
  • The goal of seasonal pruning is to remove spent blossoms, to foster new flower buds on repeat blooming roses and to repair damage. Roses stripped of spent blossoms develop new blooms quickly. Single-blooming roses (climbers, some shrubs and many heritage roses) are pruned in late spring, after their blooms have faded. Roses that bloom in successive flushes receive their major pruning in fall or early spring.
Tips
  • A pair of potted rose trees standing guard at the front entrance to a home complements the formality and symmetry of a home’s architecture, while adding life and color to the scene.
  • Roses are heavy feeders. Discuss the best feeding program for your region with a certified nursery professional, and be faithful about feeding your roses – you’ll have better blooms to show for it!
Faqs
  • Q: Black spot is a big problem with roses in my area. Is there something I can do about it?
    A: The best thing is to grow roses that are resistant to black spot – but remember: Resistance does not mean immunity. If you’ve planted a nonresistant variety, be careful with how you water – it’s best to water the soil, not the foliage.
    Read More...
 
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Articles
  • Baring All: A Bare-Root Primer
    Bare-root plant material is an inexpensive alternative to container-grown plants – but don’t wait, or you’ll be too late! Winter is the time to bare all.
  • The Care and Coddling of Roses
    Roses are special plants that need special care. Here are some tips on how to keep your bloomin’ beauties healthy – especially through the cold season.
  • Grateful Deadheading
    How to deadhead your roses can be a vexing question. Learn a few good techniques from Stan the Rose Man – then try them out on your own rosebushes to find out which one works best for you – and your bloomin’ beauties.
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