The Godmother’s Garden Guide: September
- 11 hours ago
- 4 min read
Plant for the Garden You Want
September is when the garden starts telling the truth.
The rush of summer is fading. Some flowers are finished, others are just getting started, and the first changes in foliage make the structure of the landscape easier to see.
In Indiana, September isn't the time to shut the garden down.
It's time to observe, plan, plant, and prepare.
Walk the Garden Before You Buy Anything
Before heading to the garden center, walk your property.
Look at it from the street, the patio, and through the windows you use every day. September makes weak spots easier to see.
Ask yourself:
Where does the garden feel empty?
What has outgrown its space?
Where could you use screening or shade?
Which areas have struggled with drainage?
What disappears once the summer flowers fade?
What do you actually want to see from inside your house?
Don't start with a plant.
Start with the problem the plant needs to solve.
Plant Trees and Shrubs
September can be an excellent planting month in Indiana.
Cooler air reduces heat stress while the soil remains warm enough for root development. Purdue Extension identifies fall as a useful planting period for many hardy trees, shrubs, and perennials.
But the little tree sitting at the garden center isn't the tree you're designing for.
Consider its eventual:
Height. Width. Shade. Roots. Form.
Keep Watering
September weather may feel cooler, but new plants still need water.
Trees, shrubs, and perennials planted this year are still establishing root systems. Check the soil rather than assuming cooler weather means watering season is finished.
Water deeply when needed instead of giving the soil frequent shallow sprinkles. And keep mulch where it belongs: over the root zone, not piled against trunks and stems.
Let Some of the Garden Stand
September brings a powerful urge to "clean everything up."
You don't have to.
Coneflower seed heads, ornamental grasses and other sturdy perennial stems can continue contributing to the landscape after flowering ends. They provide texture, movement, food, shelter, and something to look at when winter arrives.
Remove diseased material and anything that's genuinely become a problem. Leave some of the rest.
Look for What's Missing
September is one of the best times to judge whether your landscape really has four-season interest.
Look around. Do you have:
Late-season flowers?
Changing foliage?
Berries?
Seed heads?
Ornamental grasses?
Evergreen structure?
Interesting bark or branching?
If everything interesting in your landscape happened between April and July, that's useful information.
Don't solve it by adding more random plants. Improve the composition.
La Madrina's planting philosophy uses this same layered approach—combining canopy and ornamental trees, native shrubs, perennials, grasses, groundcovers and seasonal interest so landscapes mature as a composition rather than a collection of individual plants.
Plan Spring Now
September is also a good time to start thinking about spring-flowering bulbs.
Instead of scattering a few tulips around the front bed, think about bulbs as part of the overall planting design.
Use them to create:
Repetition along a walk.
Drifts beneath deciduous trees.
Early color emerging through perennial beds.
A transition from early spring into the next layer of plants.
Rethink the Lawn While You're at It
September is an important season for cool-season lawns in Indiana, but before automatically reseeding every struggling patch, ask why it struggled.
Deep shade?
Standing water?
Compacted soil?
Heavy foot traffic?
Sometimes grass needs repair. Sometimes the landscape is telling you that grass doesn't belong there.
A shade planting, native bed, groundcover, tree, pathway, or drainage improvement may solve the actual problem better than another bag of seed.
The September Garden Guide Checklist
Walk the entire property before buying plants.
Photograph areas that need improvement.
Identify gaps in fall and winter interest.
Plan trees, shrubs, and perennial additions.
Check mature sizes before purchasing plants.
Continue watering recent plantings.
Keep mulch away from trunks and stems.
Remove diseased or damaged plant material.
Leave useful seed heads, stems, and grasses.
Plan spring bulbs.
Evaluate struggling lawn areas.
Pay attention to drainage before fall rains.
Make a plan before making purchases.
The Garden You Want Starts Now
September isn't the garden's goodbye.
It's the garden's planning meeting.
The empty corner may need a tree. The struggling lawn may want to become a planting bed. That perennial you've been fighting all summer may simply be in the wrong place.
Pay attention to what the landscape is telling you.
Good gardens aren't created by constantly adding more.
They're created by observing, editing, and planting with intention.
Garden Guide: About La Madrina Landscape
At La Madrina Landscape, we design residential landscapes for real Midwestern homes and the people who live in them—balancing good design, durable materials, regionally appropriate planting, and four-season interest.
Because a good garden isn't just pretty in May.
It's still working in September.
Ready to Plan What's Next?
If this summer showed you what's missing from your landscape, September is a good time to start planning the next version of it.
Garden Guide:September.
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