A step-by-step guide to renovating a neglected garden
Some homeowners gaze out their windows and see lush and beautiful gardens. Others would like to see lush and beautiful gardens but instead are greeted by overgrown, dead or otherwise messy landscapes.
Whether you’ve inherited a neglected garden from a previous homeowner or have been too busy to keep on top of maintenance, don’t despair: Devising a game plan now can set you up for a much better view by next winter.
As with most seemingly hopeless tasks, breaking the process down into small steps performed over time will help make the project manageable.
First, grab a notepad and take a walk around the garden. Assess each section, determining which plants can be saved, which need to go and which require attention. Make a list now.
Dead and invasive plants, as well as weeds, should be first on the chopping block. If the weather allows, dig them out, removing as much of their root systems as possible. Otherwise, tackle this first in spring.
Next, remove and give away otherwise-healthy plants that you don’t want. Online buy-nothing groups and neighborhood pages are great places to find takers. Many will even be willing to do the digging if it means getting a free plant.
If the property has been overrun with a thicket of plants, shrubs, trees and vines that have grown wild, a chainsaw, brush mower or brush grubber may be in order.
If you’re dealing with a lot of weeds or want to create new garden beds in a lawn, you can smother the existing vegetation rather than dig it up. Determine the shape and size of the bed or border, and cover that area with cardboard or thick layers of newspaper. This can be done now, topped with 3 inches of compost and 2 inches of mulch, and left to sit over winter. It can also wait until planting time.
When you’re ready to plant, you'll be cutting root-size holes in the cardboard for your plants. Most weeds will be suppressed, but some may sneak through and require pulling or more cardboard.
Healthy but overgrown or unproductive deciduous shrubs (the types that lose their leaves) can be rejuvenated by pruning. Do this when branches are bare in late winter.
Choosing a method will require weighing aesthetics against rebound time and deciding which is right for you. The fastest (but most severe) method would be to cut the whole plant down just above ground level. It’s scary, but most shrubs can handle this and will bounce back stronger.
If retaining height in the garden is important, you can opt to prune each branch or stem individually at uneven heights. Or cut back one-third of the plant’s branches each year for three years. The latter would have the least drastic effect but require the most patience.
Evergreen trees and shrubs should only undergo selective pruning (the shortening of individual branches). Take care to avoid over-shearing or creating holes in needled evergreen plants and trees; with the exception of yews, they won’t fill back in.
Now that you have a clean canvas, turn your attention to the soil.
Test the soil’s pH to ensure it’s within range for the plants you plan to add. Test kits are available at local and online garden retailers. Your local cooperative extension service may provide testing and soil-amendment advice for a nominal fee.
If indicated, incorporate lime or elemental sulfur into the soil to raise or lower its pH, following package instructions.
If the soil is hard and compacted, use a core aerator or long-handled garden fork to create 2-3-inch holes through which air and water can enter.
Finally, spread a 2-to-3-inch layer of compost or well-rotted manure over the area. As it decomposes, nutrients will work their way into the soil.
After completing the above steps, it will be time to plant your new garden. If by summer you’re not yet ready to plant, apply mulch or use annuals to protect the bare soil.
When you’re ready to plant new trees, shrubs and/or perennials, carefully select varieties that will not run rampant. Dig holes just as deep as their roots but twice as wide and space them appropriately to allow for their mature sizes.
For the lowest maintenance going forward, consider hardy, pollinator-friendly, drought-tolerant native plants.
Incorporate non-invasive groundcovers into beds to serve as a natural mulch and discourage weeds – remember, if you don’t plant something in bare spots, God will. While you wait for groundcovers to fill in, apply 2-to-3 inches of mulch between and around plants to help retain moisture, suppress weeds, keep soil temperatures even and protect tender roots.
It might take a year or two -- or longer, depending on your schedule and ability, but a step-by-step approach will avoid overwhelm and provide a steady stream of small wins as you approach your goal.
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Jessica Damiano writes weekly gardening columns for the AP and publishes the award-winning Weekly Dirt Newsletter. You can sign up here for weekly gardening tips and advice.
For her favorite tools and gear of the past year, see her 2024 gardening gift guide.
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