Where to buy plants here
New Castle, DE has 1 independent nursery and 4 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
Big-box, named
Plus 1 more in the listings below.
Growing conditions
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (WILMINGTON NEW CASTLE CO AP, DE US, 1.0 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.
Map data © OpenStreetMap contributors.
4.7 ★ (6 Google reviews) as of 2026-08-06
138 Sunset Blvd, New Castle, DE 19720
Licence: not checked, no DE registry held
4.4 ★ (135 Google reviews) as of 2026-08-06
137 S Dupont Hwy, New Castle, DE 19720
Licence: not checked, no DE registry held
3.8 ★ (26 Google reviews) as of 2026-08-06
2225 Hessler Blvd, New Castle, DE 19720
Licence: not checked, no DE registry held
4.0 ★ (1,811 Google reviews) as of 2026-08-06
2225 Hessler Blvd, New Castle, DE 19720
Licence: not checked, no DE registry held
4.9 ★ (46 Google reviews) as of 2026-08-06
3068 New Castle Ave, New Castle, DE 19720
Licence: not checked, no DE registry held
117 Wilton Blvd, New Castle, DE 19720
Licence: not checked, no DE 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 | 8 | – | – | – | – | – | – | – | – | – | 1 |
| Direct-sow | – | – | 17 | 15 | 2 | 1 | 1 | 1 | – | – | – | – |
| Transplant | – | – | 5 | 17 | – | – | – | – | – | – | – | – |
| Fall planting | – | – | – | – | – | – | – | – | 11 | – | – | – |
Keep looking nearby
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