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← New Berlin, WI

Independent Dealer

Prospect Hill Garden Center

19305 W National Ave, New Berlin, WI 53146

Business information on this page (including hours, address, phone number, rating, and licence status) is provided for reference only. Some fields carry their own as-of date; others may be older than they appear. Contact the business directly to confirm current information before visiting or purchasing. See our full Disclaimer.

4.6 ★ (153 Google reviews) · as of 2026-08-06

Licence record on file, unconfirmed Matched WI's registry as of 2026-08-04 (96 days ago), too old for us to state this business is currently licensed. See the source registry to confirm current status.

Before you visit

Prospect Hill Garden Center is an independent business, not part of a chain we track. A listing does not show what is in stock. Call before you visit to check plants, sizes and availability.

We list 42 other places within 10 miles in Wisconsin, 20 of them independent. The closest in Wisconsin is Shady Acres Perennial Nursery, 0.5 mi away.

Our directory has 20 listings in New Berlin. Compare them on the New Berlin page.

Growing conditions

USDA hardiness zone
5b
Avg. minimum winter temp
-15°F
Median frost dates
First ~Oct 13 · Last ~May 1

Frost dates: NOAA 1991–2020 Climate Normals, nearest station (WAUKESHA WWTP, WI US, 8.6 km away) .

What's plantable right now

Nothing in our crop table has an open planting window for this ZIP right now, check back soon.

Planting windows and crop timing here are computed from USDA/NOAA climate data and the university extension sources cited below, not a site visit or soil test. Treat this as a starting point: local conditions vary, and a local nursery or extension office can advise on your exact site. See our full Disclaimer.

Nearby nurseries

Learn to garden in WI →

Frequently asked questions

What type of business is Prospect Hill Garden Center?
Prospect Hill Garden Center is classified as a dealer in New Berlin, WI.
What USDA growing zone is Prospect Hill Garden Center in?
Prospect Hill Garden Center (ZIP 53146) is in USDA hardiness zone 5b, with an average minimum winter temperature of -15°F.

Source: State-licensed & Google Business Profile. Last checked 2026-08-06. See something wrong? Request a correction or removal →