What type of business is Cornerstone Nursery?

Cornerstone Nursery is classified as a grower in Dubuque, IA.

Is Cornerstone Nursery state-licensed?

Yes, Cornerstone Nursery appears in IA's state nursery/dealer licensing registry, as of 2026-08-04.

What USDA growing zone is Cornerstone Nursery in?

Cornerstone Nursery (ZIP 52002) is in USDA hardiness zone 5a, with an average minimum winter temperature of -20°F.

Wholesale Grower Grower

Cornerstone Nursery

Name: Cornerstone Nursery
Address: 4101 Pennsylvania Ave, Dubuque, IA, 52002, US
Telephone: (563) 552-0321
Rating: 4.8

4101 Pennsylvania Ave, Dubuque, IA 52002

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.

4.8 ★ (30 Google reviews) · as of 2026-08-06

State-licensed in IA as of 2026-08-04 , source registry · how we verify this

Call (563) 552-0321 Directions

Growing conditions

USDA hardiness zone: 5a
Avg. minimum winter temp: -20°F
Median frost dates: First ~Oct 21 · Last ~Apr 19

Frost dates: NOAA 1991–2020 Climate Normals, nearest station (DUBUQUE L&D 11, IA US, 9.4 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

Walmart Garden Center Dubuque, IA 1.0 mi away
Hy-Vee Lawn & Garden Dubuque, IA 1.1 mi away
Lowe's Garden Center Dubuque, IA 1.1 mi away
Lowe's Home Improvement Dubuque, IA 1.1 mi away
Wagner Nursery, Inc. Asbury, IA 1.1 mi away
Hy-Vee Lawn & Garden Dubuque, IA 1.4 mi away

Learn to garden in IA →

Frequently asked questions

What type of business is Cornerstone Nursery?: Cornerstone Nursery is classified as a grower in Dubuque, IA.
Is Cornerstone Nursery state-licensed?: Yes, Cornerstone Nursery appears in IA's state nursery/dealer licensing registry, as of 2026-08-04.
What USDA growing zone is Cornerstone Nursery in?: Cornerstone Nursery (ZIP 52002) is in USDA hardiness zone 5a, with an average minimum winter temperature of -20°F.

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