Monday, January 9, 2012

Rose Maintenance 2

Pruning roses to maximize flower vitality and production is both a skill and artistry, like all pruning is. The way a plant is shaped comes down to effective pruning, the amount of flowers it produces, and the type of rose bush/shrub you have.

With Shrub roses, having the maximum number of healthy blossoms can produce a stunning display of color and beauty, especially if you have fragrant roses. 45 degree pruning cuts, right above the lateral bud on the stalk, produces bushes like the one below. 1/3 to 1/2 of the new growth, dead and damaged canes, and spindly branches are your targets. Proper nutrients are also necessary! This also controls the shape of your shrub.

Spreading roses should have more shape pruning, due to the fact they produce blooms on both old and new growth.Cut back to make the shrub uniform above the buds on the branches is the most effective and healthy way to produce a vibrant plant.

With climbing roses, you must determine if it is a spring blooming plant, or one that blooms almost year round. Most blooms come from the lateral canes, so pruning out the weaker canes allows a vibrant cane to grow. Shaping occurs within this context as well.

Pillar roses produce tall, somewhat flexible canes - a cross between the bush and the climbers - and produce flowers on a consistent basis with minimal lateral training. Pruning should be much like the shrub rose.

Tree (standards) roses should be pruned much like the shrub rose; they probably need staking to bear the weight of the canopy.

Old Roses are usually divided into two categories,

  • species native to Europe and western Asia (spring flowering)
  • species native to eastern Asia (repeat flowering plants)

Old Roses are noted for their fragrance. Many of the modern roses (see the last blog) are the foundations of hybrids coming from Old Roses, working at making them more "landscape friendly."

Remember, now is the time to spray weeds, clean and sharpen your tools and reduce your watering. A deep watering once a week helps establish a strong root system. There are numerous organizations to help with more detailed information.

If you are buying a new shrub, here is a link from the Mesa-East Valley Rose Society for roses that do best in Arizona: Roses for Arizona.

You can always call us at (520) 751-0232 for more information, check our website, Ground Effects Landscaping, or find us on Facebook at Ground Effects Landscaping.

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