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Plant Nurseries & Garden Centers in Janesville, WI

Where to buy plants here

Where to buy plants in Janesville, WI: big-box vs. independent

Janesville, WI has 12 independent nurseries, 4 big-box garden centers, 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: 4 of 12 independent nurseries, 1 of 4 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 9 more in the listings below.

Big-box, named

Plus 1 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 15 · Last ~Apr 26

Frost dates: NOAA 1991–2020 Climate Normals, nearest station (AFTON - JANESVILLE WWTP, WI US, 6.3 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.

Map data © OpenStreetMap contributors. 9 listings in Janesville have no mapped coordinates yet.

Independent

K & W Greenery

4.6 ★ (309 Google reviews) as of 2026-08-06

1328 US-14, Janesville, WI 53545

Licence: checked, not matched in WI's registry

Call Directions Website
Big Box Big Box

The Home Depot

4.2 ★ (1,294 Google reviews) as of 2026-08-06

3200 Deerfield Dr, Janesville, WI 53546

Licence: checked, not matched in WI's registry

Call Directions Website

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 1 14 – – – – – – – – –
Direct-sow – – 8 9 9 2 1 1 1 – – –
Transplant – – 5 10 10 – – – – – – –
Fall planting – – – – – – – – 11 – – –

Keep looking nearby

Nurseries near Janesville

Janesville, WI has a population of 66,030, a median household income of $73,446, and a 67.3% owner-occupied housing rate. Source: US Census Bureau, American Community Survey (2020-2024).

Related guides

Learn to garden in WI →