Last post we spoke of pruning Rhododendrons and the proper methods to use when doing so.
Today, I want to cover a few more helpful tid bits regarding pruning as well as a number of other helpful things to consider this time of year.
Right now is a perfect time to begin thinking about trimming plants according to their natural needs.
Some plants require formal grooming such as Privet, Boxwood, Yews, and formal grooming of Topiary plants. Others require selective pruning to allow the plants to take their natural shape respectively.
Topiary plants, now there’s a new concept we haven’t spoken of before. Topiary, you know those corkscrew shrubs trimmed into spirals and whorls to create interesting shapes and figures?
All of these plants are attractive when formally groomed and sheered in the likeness they were intended to display. Keep in mind, one important factor here. Tight sheering is the perfect solution to keeping these plants looking their best, but as the title of this article suggests, too tight can lead to bare areas and also unsightly plants if sheered too close.
Remember, the best time for sheering is coming up at the end of June and early July. Give the new growth time to harden off before sheering back. Trim too soon and you stand the chance of die back or thinning out due to not allowing the new growth to produce the growth it is intended to produce.
Pruning of deciduous plants that flower in the early spring, well, I’m afraid you missed your chance for this year, as the new growth is now coming of age and forming the axillary buds for flowering for next years growth.
Pruning of early spring flowering plants such as hydrangea & roses, should be done prior to leaf set,when the leaves first begin to take form. Prune back dead wood to above the 5th or 6th bud of expanding leaves and this will stimulate the plant into producing new branching and flowering for the current spring.
Other deciduous plants such as Lilac, Spirea, Kerria, Cotoneaster, Viburnum and so forth should be selectively pruned, not sheered, right after flowers fade thus stimulating new growth for next years flowering and thus also allows the new growth to harden off prior to winter, and suffering less winter die back. Keep also in mind that some of the tender plants may require protection from winter winds, such as roses. ( I will cover this topic of winter protection in a future article).
For a good reference guide, I suggest locating a detailed book, perhaps on Amazon.com or other reliable book seller, to give you a detailed and visual description of how to prune properly. Please don’t consider the simple pruning guides such as Sunset books as they are fine for general pruning, however do not go into the necessary detail of proper pruning and sheering methods I speak of here.
Plant material are quite tough really, and when cared for properly, will always look their best if maintained well, which brings me to my final suggestion of the day. Fertilizing.
Right now is a perfect and suggested time to fertilize shrubs, trees, perennials, and annuals as the early spring application is beginning to fade. Time is now of the essence to give your plants that important boost of energy to set new roots and develop the desired growth for flowering next year.
A rule of thumb to keep in mind here, is to apply a fertilizer that is a perfect solution to the plants particular needs. Foliage plants, such as Boxwood, Yews, Privet etc are all plants that require nitrogen to give a show of flourishing green growth, yet also require adequate amounts of Phosphorous and Potassium to keep the plants health in check as well. My suggestion is a fertilizer analysis of 10-5-10 or one of similar calculations. Espoma fertilizers are ideal as they are formulated for every type of plant one can imagine.
Flowering plats have a different requirement as they require higher levels of phosphorus to stimulate flowering as well as rooting. In addition a lower level of nitrogen to adequately supply the plants with enough nutrient for good foliage is important. I personally suggest something of a 5-10-10 as a good source of nutrient for flowering plants, but similar analysis can also be used with adequate success.
Root growing plants, such as in the vegetable category, like potatoes, carrots, turnip, beets etc have a higher need of potassium for good root development and plant vigor. With this, I would suggest a 5-5-10 which will provide the necessary needs as well as stimulating root development and overall good plant health..
IN addition on closing, this is just the tip of the iceberg, so keep in mind, insect control, and disease control as being important additional factors to over all good plant health. With proper pruning and fertilization, you are light years ahead of the game in providing the plants immune system with the necessary needs to fight off plat pathogens and insects. but these factors still need to be considered as the aforementioned article is not the complete answer to a healthy and thriving landscape.
With all this in mind, I wish you all Happy gardening… Your humble Horticulturist…Chet Stentiford.
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