The Little Greenhouse
9845 HARFORD RD., Parkville, MD 21234
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.
4.3 ★ (146 Google reviews) · as of 2026-08-06
Licence record on file, unconfirmed Matched MD's registry as of 2025-08-08 (457 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 Little Greenhouse 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 65 other places within 10 miles in Maryland, 44 of them independent. The closest in Maryland is McLean Nurseries, 1.4 mi away.
Our directory has 10 listings in Parkville. Compare them on the Parkville page.
Growing conditions
- USDA hardiness zone
- 7b
- Avg. minimum winter temp
- 5°F
- Median frost dates
- First ~Nov 7 · Last ~Apr 2
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (CYLBURN, MD US, 10.3 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
- McLean Nurseries Parkville, MD 1.4 mi away
- Garden Center at The Home Depot Parkville, MD 1.6 mi away
- Walmart Garden Center Nottingham, MD 1.7 mi away
- Wicklein's Native Plants Baltimore, MD 2.1 mi away
- Poor Boys Garden Center Baltimore, MD 2.5 mi away
- Lowe's Garden Center Parkville, MD 3.1 mi away
Frequently asked questions
- What type of business is THE LITTLE GREENHOUSE?
- THE LITTLE GREENHOUSE is a nursery or garden center in Parkville, MD; its business type has not been classified.
- What USDA growing zone is THE LITTLE GREENHOUSE in?
- THE LITTLE GREENHOUSE (ZIP 21234) is in USDA hardiness zone 7b, with an average minimum winter temperature of 5°F.
Source: State-licensed & Google Business Profile. Last checked 2026-08-06. See something wrong? Request a correction or removal →