Great Swamp Greenhouses
553 New Vernon Rd
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 ★ (489 Google reviews) · as of 2026-08-06
We don't hold a nursery/dealer licensing registry for NJ yet, so we have not checked whether this business is licensed. This is not a finding either way: it means our coverage doesn't reach this state, not that anything is wrong with this business.
Before you visit
Great Swamp Greenhouses 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 36 other places within 10 miles in New Jersey, 26 of them independent. The closest in New Jersey is Hall's Garden Center & Florist, 2.1 mi away.
Our directory has only 1 listing in Gillette. Browse nurseries across New Jersey.
Growing conditions
- USDA hardiness zone
- 7a
- Avg. minimum winter temp
- 0°F
- Median frost dates
- First ~Oct 28 · Last ~Apr 11
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (PLAINFIELD, NJ US, 10.6 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
- Hall's Garden Center & Florist Berkeley Heights, NJ 2.1 mi away
- Anything Floral Berkeley Heights, NJ 2.3 mi away
- Blue Jasmine Floral Berkeley Heights, NJ 2.3 mi away
- Shades Of Green Berkeley Heights, NJ 2.3 mi away
- G. DeLuca & Sons Nursery, Florist and Landscape Supply Berkeley Heights, NJ 2.7 mi away
- DeLuca Florist Berkeley Heights, NJ 2.7 mi away
Frequently asked questions
- What type of business is Great Swamp Greenhouses?
- Great Swamp Greenhouses is a nursery or garden center in Gillette, NJ; its business type has not been classified.
- What USDA growing zone is Great Swamp Greenhouses in?
- Great Swamp Greenhouses (ZIP 07933) is in USDA hardiness zone 7a, with an average minimum winter temperature of 0°F.
Source: Google Business Profile. Last checked 2026-08-06. See something wrong? Request a correction or removal →