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← New Castle, PA

Independent

Riverside Green House

100-292 Riverside Ln

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 ★ (9 Google reviews) · as of 2026-08-06

We don't hold a nursery/dealer licensing registry for PA 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.

Growing conditions

USDA hardiness zone
6a
Avg. minimum winter temp
-10°F
Median frost dates
First ~Oct 23 · Last ~Apr 30

Frost dates: NOAA 1991–2020 Climate Normals, nearest station (NEW CASTLE 1 N, PA US, 2.7 km away) .

What's plantable right now

Based on this ZIP's median frost dates, last frost ~Apr 30, first frost ~Oct 23.

Direct-sow now

  • Basil · 14–75 days to maturity

Plant for fall now

  • Beets · 55–65 days to maturity
  • Broccoli · 65–80 days to maturity
  • Brussels Sprouts · 40–50 days to maturity
  • Cabbage · 70–85 days to maturity
  • Collards · 32–72 days to maturity
  • Kale · 50–70 days to maturity
  • Kohlrabi · 50–65 days to maturity
  • Mustard Greens · 25–50 days to maturity
  • Radish · 20–35 days to maturity
  • Spinach · 40–60 days to maturity
  • Turnip · 50–60 days to maturity

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.

Nearby nurseries

Learn to garden in PA →

Frequently asked questions

What type of business is Riverside Green House?
Riverside Green House is a nursery or garden center in New Castle, PA; its business type has not been classified.
What USDA growing zone is Riverside Green House in?
Riverside Green House (ZIP 16105) is in USDA hardiness zone 6a, with an average minimum winter temperature of -10°F.
What's plantable near Riverside Green House right now?
Based on ZIP 16105's frost dates, this is a good time to direct-sow 1 crop and start 11 fall crops. See the full list above.

Source: Google Business Profile. Last checked 2026-08-06. See something wrong? Request a correction or removal →