Where to buy plants here
New Castle, PA has 5 independent nurseries and 3 big-box garden centers 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.
Independent, named
Plus 2 more in the listings below.
Growing conditions
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (NEW CASTLE 1 N, PA US, 4.0 km away) .
What's plantable right now
Based on this ZIP's median frost dates, last frost ~Apr 30, first frost ~Oct 23.
Planting-window sources: , Clemson Cooperative Extension Home & Garden Information Center , Clemson Cooperative Extension, Home & Garden Information Center , Clemson Cooperative Extension Home & Garden Information Center , Colorado State University Extension , Colorado State University Extension, Colorado Master Gardener Program , University of Missouri Extension , NC State Extension , NC State Extension , Purdue Extension (Dept. of Horticulture and Landscape Architecture) , Virginia Cooperative Extension, Virginia Tech and Virginia State University .
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.
3.0 ★ (2 Google reviews) as of 2026-08-06
376 Dworman Way, New Castle, PA 16101
Licence: not checked, no PA registry held
2640 W State St, New Castle, PA 16101
Licence: not checked, no PA registry held
4.7 ★ (125 Google reviews) as of 2026-08-06
101 E Division St, New Castle, PA 16101
Licence: not checked, no PA registry held
5.0 ★ (34 Google reviews) as of 2026-08-06
2599 Harlansburg Rd, New Castle, PA 16101
Licence: not checked, no PA registry held
4.8 ★ (9 Google reviews) as of 2026-08-06
100-292 Riverside Ln, New Castle, PA 16105
Licence: not checked, no PA registry held
4.7 ★ (54 Google reviews) as of 2026-08-06
1022 N Croton Ave, New Castle, PA 16101
Licence: not checked, no PA registry held
4.3 ★ (67 Google reviews) as of 2026-08-06
1710 New Butler Rd Rt. 422, New Castle, PA 16101
Licence: not checked, no PA registry held
2501 W State St, New Castle, PA 16101
Licence: not checked, no PA registry held
Planting calendar
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 | – | 12 | 6 | – | – | – | – | – | – | – | – |
| Direct-sow | – | – | – | 17 | 9 | 2 | 1 | 1 | 1 | – | – | – |
| Transplant | – | – | – | 4 | 10 | – | – | – | – | – | – | – |
| Fall planting | – | – | – | – | – | – | – | – | 11 | – | – | – |
Keep looking nearby
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