What type of business is Stefczak's Greenhouse?

Stefczak's Greenhouse is classified as a dealer in Ladysmith, WI.

Is Stefczak's Greenhouse state-licensed?

Yes, Stefczak's Greenhouse appears in WI's state nursery/dealer licensing registry, as of 2026-08-04 (license #304955).

What USDA growing zone is Stefczak's Greenhouse in?

Stefczak's Greenhouse (ZIP 54848) is in USDA hardiness zone 4a, with an average minimum winter temperature of -30°F.

What's plantable near Stefczak's Greenhouse right now?

Based on ZIP 54848's frost dates, this is a good time to direct-sow 1 crop. See the full list above.

← Ladysmith, WI

Independent Dealer

Stefczak's Greenhouse

Name: Stefczak's Greenhouse
Address: W10692 US Highway 8, Ladysmith, WI, 54848, US
Telephone: (715) 868-6378

W10692 US Highway 8, Ladysmith, WI 54848

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.

State-licensed in WI as of 2026-08-04 , licence #304955, source registry · how we verify this

Call (715) 868-6378 Directions

Growing conditions

USDA hardiness zone: 4a
Avg. minimum winter temp: -30°F
Median frost dates: First ~Sep 22 · Last ~May 27

Frost dates: NOAA 1991–2020 Climate Normals, nearest station (LADYSMITH 3W, WI US, 2.0 km away) .

What's plantable right now

Based on this ZIP's median frost dates, last frost ~May 27, first frost ~Sep 22.

Direct-sow now

Basil · 14–75 days to maturity

Planting-window sources: , Clemson Cooperative Extension, Home & Garden Information Center , Colorado State University Extension, Colorado Master Gardener Program , NC State Extension .

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

Colonial Nursery, Inc. Ladysmith, WI
Rusk County Land & Water Conservation Division Ladysmith, WI

Learn to garden in WI →

Frequently asked questions

What type of business is Stefczak's Greenhouse?: Stefczak's Greenhouse is classified as a dealer in Ladysmith, WI.
Is Stefczak's Greenhouse state-licensed?: Yes, Stefczak's Greenhouse appears in WI's state nursery/dealer licensing registry, as of 2026-08-04 (license #304955).
What USDA growing zone is Stefczak's Greenhouse in?: Stefczak's Greenhouse (ZIP 54848) is in USDA hardiness zone 4a, with an average minimum winter temperature of -30°F.
What's plantable near Stefczak's Greenhouse right now?: Based on ZIP 54848's frost dates, this is a good time to direct-sow 1 crop. See the full list above.

Source: State registry record. See something wrong? Request a correction or removal →