Wholesale Grower
Grower
Ashippun Nursery
W798 County Road O, Oconomowoc, WI 53066
State-licensed as of 2026-08-04
Plant Nurseries & Garden Centers in Oconomowoc, WI
Where to buy plants here
Where to buy plants in Oconomowoc, WI: big-box vs. independent
Oconomowoc, WI has 7 independent nurseries and 4 wholesale growers in this directory's own classification. Independent, big-box, and grower are separate business-structure categories on file for each listing, not a ranking of one over another.
Licence record on file with this directory: 7 of 7 independent nurseries, 0 of 0 big-box locations. WI is one of the 11 states this directory holds a nursery-dealer licence registry for; a listing with no badge may still be licensed elsewhere, this directory simply has no matching registry record for it as of that registry's own sync date.
Independent, named
Plus 4 more in the listings below.
Wholesale growers, named
Plus 1 more in the listings below.
Growing conditions
- USDA hardiness zone
- 5b
- Avg. minimum winter temp
- -15°F
- Median frost dates
- First ~Oct 12 · Last ~Apr 30
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (OCONOMOWOC WWTP, WI US, 1.5 km away) .
What's plantable right now
Based on this ZIP's median frost dates, last frost ~Apr 30, first frost ~Oct 12.
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.
No mapped coordinates yet for any listing in Oconomowoc.
Wholesale Grower
Dealer
Check's Evergreens, Inc.
3050 N Morgan Rd, Oconomowoc, WI 53066
State-licensed as of 2026-08-04
Independent
Dealer
Competitive Edge
38134 Delafield Rd, Oconomowoc, WI 53066
State-licensed as of 2026-08-04
Independent
Dealer
Dan's Custom Lawn Care, LLC
W340S3173 County Road C, Oconomowoc, WI 53066
State-licensed as of 2026-08-04
Independent
Dealer
Healthy Trees L.L.C.
W341N6886 Starlite Dr, Oconomowoc, WI 53066
State-licensed as of 2026-08-04
Independent
Dealer
Mendoza Landscape Services, Inc.
1839 N Dousman Rd, Oconomowoc, WI 53066
State-licensed as of 2026-08-04
Wholesale Grower
Grower
Morgan's Perennial Plants
709 Armour Rd, Oconomowoc, WI 53066
State-licensed as of 2026-08-04
Independent
Dealer
Oconomowoc Landscape Supply Center, Ltd.
N68W37850 County Road K, Oconomowoc, WI 53066
State-licensed as of 2026-08-04
Wholesale Grower
Dealer
Rhodee Floral and Greenhouse, LLC
426 S Park St, Oconomowoc, WI 53066
State-licensed as of 2026-08-04
Independent
Dealer
Stamper's Greenhouse
N6505 Hwy.E, Oconomowoc, WI 53066
State-licensed as of 2026-08-04
Independent
Dealer
Willow Creek Tree Company
N609 S Hickory Hills Dr, Oconomowoc, WI 53066
State-licensed as of 2026-08-04
Planting calendar
The full year, at a glance
Number of crops in our table with an open planting window each month, computed from this ZIP's median frost dates.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Start indoors | 1 | – | 12 | 6 | – | – | – | – | – | – | – | – |
| Direct-sow | – | – | – | 17 | 9 | 2 | 1 | 1 | 1 | – | – | – |
| Transplant | – | – | – | 4 | 10 | – | – | – | – | – | – | – |
| Fall planting | – | – | – | – | – | – | – | – | – | – | – | – |
Oconomowoc, WI has a population of 19,080, a median household income of $106,425, and a 69.1% owner-occupied housing rate. Source: US Census Bureau, American Community Survey (2020-2024).
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