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Pennsylvania Xeriscaping Guide

Published: June 6, 2026 · Updated:

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Drought-tolerant landscaping plans for 9 Pennsylvania cities across USDA zones 5b, 6a. Find native plants, water-saving strategies, and xeriscape designs for your specific location.

Water Restriction Level: low

Water conservation is becoming increasingly important across the US as drought patterns shift. Xeriscaping reduces outdoor water use by 50–75%.

What drives landscape water use in Pennsylvania

Humid continental with even rainfall; dry ridgetops and urban sites are where low-water planting earns its place.

Mean annual precipitation across Pennsylvania spans about 36 to 50 inches, and the state covers USDA hardiness zones 5b, 6a. That spread matters more than any single statewide number: the wettest and driest parts of Pennsylvania need different plant palettes and different irrigation entirely, which is why the zone for your own city is the figure to plan against rather than a state average.

Plant genera native to Pennsylvania

These genera are native to Pennsylvania and are the backbone of low-water planting here. Starting from natives matters because they evolved with the local rainfall pattern and soil, so once established they generally need no irrigation beyond what the climate provides.

Schizachyrium (little bluestem)Asclepias (butterfly weed)Baptisia (false indigo)Juniperus (juniper)

Listed at genus level deliberately. Which species within a genus is native varies across Pennsylvania, so check the species with a local native plant society or extension office before buying.

USDA Zones in Pennsylvania

Zone 5bZone 6a

Turf removal rebates in Pennsylvania

We have not verified a residential turf removal rebate at any Pennsylvania water provider. Programs of this kind are concentrated in the arid south west, where utilities pay per square foot to cut peak summer demand. Some Pennsylvania utilities do offer irrigation-equipment or fixture rebates instead, which are worth asking about, but they are not the same thing as being paid to remove grass. Check with your own provider rather than assuming, and see our turf removal rebate comparison for the cities that do pay.

Xeriscaping Principles for Pennsylvania

1. Plan and Design

Start with a water-efficient landscape plan that groups plants by water needs. Place high-water plants (if any) closest to the house and low-water plants further away.

2. Improve Soil

Amend soil with compost to improve water retention in sandy soils and drainage in clay soils. Healthy soil holds more moisture and supports deeper root systems.

3. Reduce Turf Area

Limit conventional lawn to areas that serve a functional purpose (play areas, pathways). Replace decorative turf with native plants, ground covers, or mulch.

4. Choose Low-Water Plants

Select native and adapted plants suited to your USDA zone. Native plants have evolved with local rainfall patterns and typically need no supplemental irrigation once established.

5. Mulch Generously

Apply 5–10cm of organic mulch (or gravel in desert climates) around all plantings. Mulch reduces evaporation by up to 70%, suppresses weeds, and moderates soil temperature.

6. Irrigate Efficiently

If irrigation is needed, use drip systems or soaker hoses rather than sprinklers. Water deeply and infrequently to encourage deep root growth. Water before 9am to reduce evaporation.

7. Maintain Appropriately

Proper maintenance reduces water waste. Keep mulch refreshed, prune to reduce water demand, and adjust irrigation seasonally. A well-maintained xeriscape improves over time.

Pennsylvania cities and their USDA zones

Your hardiness zone is the single most useful number for choosing plants, so this is every Pennsylvania city we hold, with its zone. Cities shown as links have their own guide because they run a verified turf rebate worth explaining on its own page. For the rest, the zone below plus the state palette above is the plan: their local advice would not differ from what is on this page.

PhiladelphiaZone 6a · pop. 5,782,653
PittsburghZone 6a · pop. 1,729,616
AllentownZone 6a · pop. 644,758
HarrisburgZone 6a · pop. 510,827
LancasterZone 6a · pop. 407,719
ScrantonZone 5b · pop. 366,238
ReadingZone 6a · pop. 283,546
YorkZone 6a · pop. 244,270
ErieZone 5b · pop. 184,712

Frequently Asked Questions

Is xeriscaping worth it in Pennsylvania?

Yes. Pennsylvania has low-level water restrictions. Xeriscaping reduces outdoor water use by 50–75%, which translates to significant savings on water bills. While rebates are limited in Pennsylvania, the long-term water and maintenance savings make xeriscaping a strong investment.

What USDA zones are in Pennsylvania?

Pennsylvania contains USDA hardiness zones 5b, 6a. Each zone has different drought-tolerant plant recommendations. Find your city below for zone-specific xeriscape plant lists.

Does Pennsylvania offer xeriscaping rebates?

Rebate programs are limited in Pennsylvania at the state level. However, some local water utilities may offer incentives. Contact your municipal water provider to check for local programs.

What are the best drought-tolerant plants for Pennsylvania?

The best plants depend on your specific USDA zone within Pennsylvania. Generally, native plants adapted to Pennsylvania's climate are the best choices: they evolved with local rainfall patterns and soil conditions. Browse your city guide below for zone-specific recommendations.

How much does xeriscaping cost in Pennsylvania?

Professional xeriscaping in Pennsylvania typically costs $5–$20 per square foot depending on design complexity, plant selection, and hardscape elements. DIY approaches can reduce costs to $1–$5 per square foot. The investment typically pays for itself within 3–5 years through reduced water bills and maintenance costs.