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What is the Best Plant?

Choosing Plants like a Pro

If you are looking for a place to find out how to choose the best plant for your landscape project, read on. After the circulation paths have been created, the hardscape has been installed, and the trees are in place. It’s time to pick out the plants that will be viewed at eye level.

For your project, you want plants that will perform, bring in lots of color and texture, and take care of themselves (within reason).

A simple trip to the local home improvement store will not do. You want the results to match the pictures in the magazines and catalogs. There is a special magic to getting great results.  Rather than bore you with lessons in Latin and science, you can find mentoring tips here in non-technical lingo.

The information is for professional-level landscape planting plans for public, commercial, industrial, and high-end residential sites. Because there is a significant cost involved, it is important to choose well and to choose carefully what and where you plant.

Let’s get started. Here’s a link to the soon-to-be published draft version 0.0 of a new Advanced Guide to Shrubs, based on years of experience working with the pros and evaluation of thousands of landscape projects.  

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Advanced Guide to Shrubs

The Advanced Guide to Shrubs; Choose Plants like a Landscape Professional  Available Now!

Advanced Guide to Plants

 

 

 

 

 

 

 

 

 

 

 

 

 

The first edition of The Advanced Guide to Shrubs: Choose Plants like a Landscape Professional is available for download. Almost 300 pages of concise plant information and pictures to help you design your landscape project like a pro. Landscape trade secrets and authentic plant descriptions help you manage the overwhelming number of shrub choices. How do you decide which shrubs will perform successfully for your project? Read this book.

Happy Planting!

 

Garden Naturalization

A Landscape Maintenance Reality Check

garden naturalization, reducing landscape maintenanceAs residential customers age, they become less and less able to maintain an ornamental landscape design, especially if they have a large yard. Hiring a professional crew to keep up the pruning, raking, edging, fertilizing, and watering is an option. Another option is manipulating the existing and volunteer vegetation to morph into a more natural garden of natives and undaunted non-native species. Garden naturalization is a way to take away the burden of ornamental landscape maintenance, at least the bulk of it.

Each yard will have its own unique selection of volunteers. The invasive ones can be eradicated. The less-ornamental or more aggressive spreaders can be relegated to areas I call “dead zones”. Dead zones are micro-environments that somehow discourage any strong, healthy growth. Relocating aggressive species to dead zones will slow their spread and provide a living ground cover for an area that would otherwise be bare. Attractive volunteers, like the adorable Frost Aster, shown above, can be moved or reseeded into consolidated plant beds beyond the circulation paths. If your local plant volunteers are happy with your soil and climate, then why not allow them to join the garden party?

To naturalize a landscape, reduce the amount of turf grass to an absolute minimum. Older homeowners aren’t playing much touch football outdoors, anyway! Lawns require mowing, fertilizing, edging, raking, and weeding. Garden naturalization utilizes plant communities that are self-sustaining. Every inch of turf you keep is a patch of year-round work and intervention to unnaturally cover the ground. Mulched beds, when under a canopy of trees allows replenishing leaf litter to carpet the ground. Mulched beds, when in open, sunny areas, can be planted with diverse, massed shrubs and ground covers. The less grass, the more self-stable the plant community, if you choose the grass replacement plants wisely.

Ready, Set, Plant in Autumn

fall plantingFor a healthy start, purchase shrubs for planting in the fall. It’s the best time to install many woody ornamentals. Plants love settling into a new location after cooler temperatures arrive and more frequent rains begin. They are shutting down intense growth and phasing into dormancy for the winter. The new roots have time to grip the soil before the deep, penetrating freezes of deep winter can cause frost-heave in silts and loams. Purchasing retail plants early in the fall when plants are fresh off the truck, before big box store clerks have a chance to abuse them, allows homeowners to tenderly nurse new finds until they go in the ground.  

What is a Shrub?

A Muddy Definition

what is a shrubShrubs are woody plants that mature to fifteen feet or less in height. If a tall shrub grows to over fifteen feet, it becomes a tree. The reason the height rule is important is related to legislation. For example, many states do not allow trees to be planted in locations that would grow to obscure outdoor advertising signs, but you can plant shrubs. If you are designing plant material on public rights-of-way, you will need to avoid planting trees near areas adjacent to billboards. Local ordinances often require replacement trees and shrubs, with a distinction between the mitigation points allowed for each. Utility companies may have easement restrictions that allow shrubs but do not allow trees to be planted under overhead power lines.

Why fifteen feet? It could be the maximum height maintenance crews can easily reach limbs for pruning, while still standing firmly on the ground. That makes sense. It could be because that height falls between two common growth limits. There are a lot of shrubs that can grow twelve to fifteen feet tall. There are a lot of small trees that mature to twenty to twenty-five feet tall. Not a lot finishes out between those two limits. Some, but not a lot. A single species could have variations in maximum height, depending on where it is grown. There is no clear green line drawn in the air, but fifteen feet is a good number of consensus.

Shrubs with many stems and no distinct central trunk are called bushes. A shrub is a plant branched from the base, without a leafy crown above a trunk. If you think about the definitions for long, you’ll get a headache. I just call them all shrubs.

Crapemyrtles

crapemyrtle varieties and careCrapemyrtles are named for the delicate, crape-paper-like, ruffled flowers they carry at the tips of each new stem. They tolerate extreme heat and drought, and are used often in public streetscapes in the south. They are perfect under utility lines. Their showy blooms can last over one hundred days! How many other trees can you name that do that? As a result, they are very popular, and can be overused. Nobody complains, though!

Crapemyrtles are tree-formed by default, so you must make a special effort to let your supplier know if you want the natural, shrub form, instead. They are also sold in standards with a single trunk, so communication is very important when bidding a project. Don’t forget about the possibility of plain-old shrubby-formed Crapemyrtles. They can have a certain old-fashioned charm to them, especially in a shrub border. I doubt you will resist the tree-formed versions. Their legs are just too pretty.

Boxwood Basics

The Gold Standard of Shrubbery

boxwood basicsWhen we drew green balls in kindergarten to represent shrubbery, we drew Boxwoods. It’s as if we were born expecting the perfect foundation plant to be a Boxwood—before ever visiting a historic garden! Boxwoods were introduced to the U.S.—the Japanese Littleleaf in the South before the Civil War, and the Common Boxwood before the American Revolution. They are iconic, formal garden staples.

Think of a Boxwood as the prettiest girl in school. She has all sorts of problems, and can make life miserable, but she’s so pretty, you don’t care. She is extremely sensitive and vulnerable, and yet amazingly strong at the same time. She has a fragrance that some love and some hate, but all admit is unforgettable. There are a lot of Boxwood wanna-be’s, but everyone loves the original, authentic Buxus sempervirens. The soft green stems and tiny, refined leaves are irresistible.

Ornamental Grasses

Changing Attitudes

It has only been in the last few decades that any grasses, other than turf and Pampas Grass, were used in ornamental landscapes. Certainly, native grasses were not considered or appreciated as they are today! 

pampas grass at fast food restaurant Pampas Grass clumps grow to huge, tropical-looking tufts. It was often used as a focal point, surrounded by seating, or to flank entrances in the southeast. Pampas grass is native to South America. It fit perfectly with Victorian designs. It was exotic, dramatic plant material from a far-away place. It is also called Sawgrass, with a reputation for ripping through skin with jagged cuts if you are unfortunate enough to run your hands along the graceful blades. For this reason, it is a nightmare to maintain. The thick clumps grow to heights over ten feet tall. The clumps can get ragged, containing both new blades and the old, dried-out blades from years past.

The best method of rejuvenating a clump of Pampas Grass is to bind the entire plant with a bungee cord and use a chain saw to cut through the tough stems in late winter. Only female plants carry attractive plumes, so it is important to choose container material of Pampas Grass when it is in bloom to ensure worthwhile specimens.

I grew Pampas Grass at a former home, but never again. It is not practical for residential landscapes. Pampas Grass was typically used only on large properties with paid maintenance crews to deal with the challenging pruning requirements or by unsuspecting homeowners that learned the hard way to avoid it. 

Botanical Gardens vs. the Rest of Us

Practical Shrubbery

botanical garden secrets

I just visited the homes of two shut-ins to deliver flowers. There were similar things I noticed at each house. I had to practically climb around overgrown shrubbery to get to the door. There were weeds protruding from cracks in the pavement. Foliage obscured all the windows. There was a noticeable difference between the landscapes of the shut-ins and the other houses nearby. For shut-ins it is impractical to match the level of maintenance required to keep up a yard, without lots of help from others.

The same issues apply to us when we compare the quality of our residential landscape and the horticultural displays at a botanical garden. For us, it is impractical to match the level of maintenance required for professionally landscaped gardens. Botanical gardens not only have tons more people helping maintain their properties, their people are all trained in horticulture. What can be done to match that quality without breaking the bank? Don’t despair. Your landscape can rival those of the professionals. I’ll share a few trade secrets with you. 

Planters

planters, container plantsPlanters need to be big—really big. A common mistake designers make with planters is choosing small sizes. You’ll lose plant material in small containers.  “Self-watering” planters are a joke. Planters need people to keep the plant in them alive.

Raised planters within streetscapes need to be located beyond the overhang of vehicles. If not, they need to be less than fifteen inches tall to avoid damage from the bumpers. 

If trees are planted in narrow, raised planters, they tend to be unstable. I’ve seen elaborate urban landscaped medians trying to do this. The trees eventually had to be removed when they started leaning. It looked great for just a few months, but was certainly not worth the cost.

When designing plants in a planter, try to include things that flow over the sides of the planter. It’s pretty. Add tall, bold focal points. One way to get vertical height in the difficult environment of a planter is to use tall ornamental grasses. They can be very dramatic.

Plan on replacing the plant material in a planter often. It is not a natural situation for plant material. The reflected heat on the sides of planters dries out the root system and the reflected heat from the planter material is harsh. The soil dries out very quickly and can require supplemental waterings as often as three times a day during the hottest days of summer.

Well-maintained planters can be very effective in retail shopping areas, where pedestrians can view their beauty at eye level. They are a hassle, but worth it. They make people want to spend money. They also provide a connection for people with nature and beauty. In urban areas, it may be the only vegetation some people see during the day.

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