The Green Thumbers
3030 Brady St, Davenport, IA 52803
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.
4.5 ★ (361 Google reviews) · as of 2026-08-06
Licence record on file, unconfirmed Matched IA's registry as of 2026-08-04 (96 days ago), too old for us to state this business is currently licensed. See the source registry to confirm current status.
Before you visit
The Green Thumbers is an independent business, not part of a chain we track. A listing does not show what is in stock. Call before you visit to check plants, sizes and availability.
We list 24 other places within 10 miles in Iowa, 11 of them independent. The closest in Iowa is Vander Veer Conservatory, 0.5 mi away.
Our directory has 36 listings in Davenport. Compare them on the Davenport page.
Growing conditions
- USDA hardiness zone
- 5b
- Avg. minimum winter temp
- -15°F
- Median frost dates
- First ~Oct 22 · Last ~Apr 19
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (ROCK ISLAND L&D 15, IL US, 2.3 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.
Nearby nurseries
- Vander Veer Conservatory Davenport, IA 0.5 mi away
- Vander Veer Botanical Park Davenport, IA 0.6 mi away
- Flowers By Jerri Davenport, IA 0.9 mi away
- Hy-Vee Lawn & Garden Davenport, IA 1.2 mi away
- Colman Florist Inc. Davenport, IA 1.9 mi away
- Hy-Vee Lawn & Garden Davenport, IA 2.2 mi away
Frequently asked questions
- What type of business is The Green Thumbers?
- The Green Thumbers is classified as a dealer in Davenport, IA.
- What USDA growing zone is The Green Thumbers in?
- The Green Thumbers (ZIP 52803) is in USDA hardiness zone 5b, with an average minimum winter temperature of -15°F.
Source: State-licensed & Google Business Profile. Last checked 2026-08-06. See something wrong? Request a correction or removal →