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Find a Pro · Portland, OR

Xeriscape Landscapers in Portland

4 companies in the Portland area advertise xeriscape, native-plant, or water-wise landscaping. Before you call one, here is what the local climate asks of a low-water yard, which rebates are open, and the questions that separate a real xeriscape contractor from a rock-and-weed-fabric crew.

Growing conditions in Portland

  • USDA zone (2023)8b–9a[2]97204: 20 to 25°F extreme min.
  • Annual precipitation37 inches[1]Portland Intl Airport
  • Median last frostMar 13[1]32°F, 1991–2020
  • Median first frostNov 19[1]32°F, 1991–2020
  • Frost-free season247 days[1]
  • Station elevation20 ft[1]

Marine west-coast climate: about 37 in. of rain, but only 7% of it falls July–September, so summer drought is real. Zones are 8b–9a, and a 32°F freeze occurs every winter (median last freeze March 13).

On the 2023 USDA Plant Hardiness Zone Map, the ZIP codes we sampled in Portland fall in zones 8b to 9a; 97204 (zone 9a) has an average annual extreme minimum of 20 to 25°F. Choose perennials, shrubs, and trees rated at least to zone 8. The median last spring frost (32°F) at Portland Intl Airport is Mar 13 and the median first fall frost is Nov 19, a typical frost-free season of about 247 days.

Average annual precipitation is 37 inches (Portland Intl Airport, 1991–2020), and 65% of it falls November–March. Summers are dry (July is the driest month), so plants lean on stored soil moisture and supplemental water through their first summer. The average high in August is about 82°F and the average low in January is about 36°F, measured at about 20 ft.

Portland xeriscape pros

Sorted by tier, then alphabetically. Tiers explained below the list.

  • Listed

    A public listing we compiled from the company's own website because it advertises xeriscape or water-wise work. Listed is not an endorsement and we have not reviewed the company's work.

  • Claimed

    The business owner has claimed the profile and manages its details, photos, and service areas.

  • Certified

    The company completed the Xeriscaping.com certification course and agreed to our Code of Conduct.

Before you hire: 8 questions to ask a Portland xeriscape contractor

  1. Will you wait for rebate pre-approval before touching the lawn?

    No lawn-replacement rebate is open for most Portland homes right now (see below), but programs reopen. If one does, nearly every program voids the rebate if grass is removed before approval.

  2. Can I see a written plant list with hardiness zones?

    Every plant should be rated to at least zone 8 here. Ask for botanical names, mature size, and water use, and for plant coverage at maturity. Many rebates require 50% or more.

  3. How will you convert the sprinklers?

    Spray heads in a xeriscape waste water and feed weeds. Ask whether planted areas get drip on a separate zone with a filter and pressure regulator, how unused spray heads will be capped, and whether the controller will be reprogrammed or replaced with a smart controller.

  4. What happens to the sod, and how will you prep the soil?

    Ask whether they will cut and haul the sod, smother it, or use herbicide, and what they will add to the soil. Many xeric plants prefer lean soil, so heavy compost everywhere can backfire. Loosening compacted ground after sod removal matters more.

  5. What mulch, how deep, and is there plastic underneath?

    Rock and wood mulch both work, but depth matters: rebate rules in the West commonly call for about 3 inches. Several programs prohibit plastic sheeting, and it starves soil of air and water anyway.

  6. Will I get a first-year watering schedule?

    New xeriscapes are not no-water in year one. Ask for a written establishment schedule by season. Plant container perennials and shrubs after the median last frost (Mar 13), or in early fall at least six weeks before the median first frost (Nov 19) so roots can settle in before the ground freezes.

  7. Is there a plant warranty, and what voids it?

    Get the length (often one season or one year) and the conditions in writing, including whether it covers winter kill and what watering records you need to keep.

  8. Are you licensed and insured for this work?

    Ask for a license or registration number and look it up with the Oregon Landscape Contractors Board before signing, and ask for a current certificate of insurance. Oregon Landscape Contractors Board lookup.

Rebates for Portland homeowners

Get pre-approval before you remove any grass. Almost every lawn-replacement program requires photos or an inspection of the living lawn first.

Rebate programs serving Portland, verified September 2026
ProgramAmountStatus
Outdoor Rebate (irrigation hardware)
Portland Water Bureau
WaterSense irrigation controller up to $100 (single-family); hose faucet controllers $50 each (up to two); $3 per multi-stream rotator nozzle or WaterSense spray body
Cap: One controller per account; up to 32 nozzle/spray-body rebates per single-family account
Open

No lawn-replacement rebate for Portland homeowners is open as of September 2026. The table shows what exists and when it may return.

Verified Sep 2026 from each agency's program page.

All Oregon rebatesEstimate your water savings

Low-water plants that suit Portland

From our plant database: hardy to zone 8 and at home in zone 8, driest first. Ask your contractor whether these are in their plan.

See every plant for zone 8

Already listed? Claim your listing.

Sources

  1. NOAA NCEI U.S. Climate Normals 1991–2020, Portland Intl Airport (USW00024229). ncei.noaa.gov
  2. USDA ARS 2023 Plant Hardiness Zone Map, by ZIP (97006: 8b, 97204: 9a, 97214: 9a, 97219: 8b, 97229: 8b). planthardiness.ars.usda.gov