Tehan Greenhouses, Inc.
1515 E Rawson Ave, Oak Creek, WI 53154
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 ★ (108 Google reviews) · as of 2026-08-06
State-licensed in WI as of 2026-08-04 , licence #305799, source registry · how we verify this
Growing conditions
- USDA hardiness zone
- 6a
- Avg. minimum winter temp
- -10°F
- Median frost dates
- First ~Oct 26 · Last ~Apr 22
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (SOUTH MILWAUKEE WWTP, WI US, 4.5 km away) .
What's plantable right now
Based on this ZIP's median frost dates, last frost ~Apr 22, first frost ~Oct 26.
Plant for fall now
- Beets · 55–65 days to maturity
- Broccoli · 65–80 days to maturity
- Brussels Sprouts · 40–50 days to maturity
- Cabbage · 70–85 days to maturity
- Collards · 32–72 days to maturity
- Kale · 50–70 days to maturity
- Kohlrabi · 50–65 days to maturity
- Mustard Greens · 25–50 days to maturity
- Radish · 20–35 days to maturity
- Spinach · 40–60 days to maturity
- Turnip · 50–60 days to maturity
Planting-window sources: , Clemson Cooperative Extension Home & Garden Information Center , Clemson Cooperative Extension Home & Garden Information Center , Colorado State University Extension , University of Missouri Extension , NC State Extension , Purdue Extension (Dept. of Horticulture and Landscape Architecture) , Virginia Cooperative Extension, Virginia Tech and Virginia State University .
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
- Parkway Floral Inc. South Milwaukee, WI 1.6 mi away
- Plant Land Milwaukee, WI 1.6 mi away
- Walmart Garden Center South Milwaukee, WI 1.8 mi away
- Advance Landscape Center, Sod, Mulch & Topsoil Milwaukee, WI 1.9 mi away
- Lowe's Garden Center Franklin, WI 3.1 mi away
- Walmart Garden Center Franklin, WI 3.1 mi away
Frequently asked questions
- What type of business is Tehan Greenhouses, Inc.?
- Tehan Greenhouses, Inc. is classified as a dealer in Oak Creek, WI.
- Is Tehan Greenhouses, Inc. state-licensed?
- Yes, Tehan Greenhouses, Inc. appears in WI's state nursery/dealer licensing registry, as of 2026-08-04 (license #305799).
- What USDA growing zone is Tehan Greenhouses, Inc. in?
- Tehan Greenhouses, Inc. (ZIP 53154) is in USDA hardiness zone 6a, with an average minimum winter temperature of -10°F.
- What's plantable near Tehan Greenhouses, Inc. right now?
- Based on ZIP 53154's frost dates, this is a good time to start 11 fall crops. See the full list above.
Source: State-licensed & Google Business Profile. Last checked 2026-08-06. See something wrong? Request a correction or removal →