Spring gets all the credit for new beginnings in the garden, but any landscape professional will tell you the real head start happens in fall. Cooler air, warm soil, and a plant’s natural shift toward root development make autumn the season when new trees and shrubs settle in best, and 2026 is no exception.
Here’s why fall planting works, what’s a little different this year, and a few of our favorite picks for Central PA landscapes.
Cooler Air, Warmer Soil
As temperatures drop, trees and shrubs face far less transplant stress than they would in summer heat. At the same time, the soil holds onto its summer warmth well into fall, which keeps roots actively growing even as the leaves start to change. That combination (mild air above ground, warm soil below it) gives new plantings a real chance to establish before winter dormancy sets in.
Our Favorite Fall Picks for Central PA
These are a few of our go-to choices for fall planting in our area and why:
- Limelight and Bobo Hydrangea (Hydrangea paniculata): Lush, beautiful flowers with seasonal colors; their bloom can last well into next summer.
- Serviceberry (Amelanchier canadensis): Spring blooms, summer berries, and standout fall color.
- Red Oak (Quercus rubra): A long-lived shade tree that handles local soils well and supports local wildlife.
- Winterberry Holly (Ilex verticillata): Bright red berries that hold on through winter and draw in birds.
- Fothergilla (Fothergilla gardenii): Fragrant spring flowers and some of the best fall color for a smaller footprint.
- Inkberry Holly (Ilex glabra) and Dogwood (Cornus florida): Both establish quickly, giving you a fuller look by next summer.
Fewer Pests, Less Competition
Insects and many common plant diseases slow down as temperatures cool, so new plantings face less pressure from aphids, powdery mildew, and leaf spot fungi than they would earlier in the year. Shorter days also mean plants naturally put less energy into leaves and flowers and more into their root systems, which is exactly what a newly installed tree or shrub needs.
Water and Mulch Right, and Skip the Heavy Pruning
Fall’s cooler temperatures reduce how much water plants lose day to day, but don’t skip watering altogether. Check the soil a few inches down, and water deeply (not frequently) to encourage root growth. A 2–3 inch layer of mulch around the base helps hold moisture and buffer temperature swings; just keep it a few inches clear of the trunk or stem. This is also not the time for heavy pruning. It’s better to remove anything broken or damaged, and save the rest for the right season down the road.
A Head Start on Spring
Trees and shrubs planted this fall spend the winter quietly building root systems, so they wake up next spring ready to grow rather than starting from scratch. You’ll typically see quicker leaf-out, stronger blooms, and a more established look by next summer.
Thinking about Fall Planting?
Whether you’re looking for more privacy, better fall color, pollinator-friendly plants, or more interest throughout the seasons, fall is a great time to think about what’s missing from your landscape.
Schedule a conversation with our landscape designer, Lauren Engle. She’ll help you choose plants that work best for your property this fall and the seasons ahead.
