Where to buy plants here
Westminster, CO has 1 independent nursery and 7 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 4 more in the listings below.
Growing conditions
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (NORTHGLENN, CO US, 4.3 km away) .
What's plantable right now
Based on this ZIP's median frost dates, last frost ~May 2, first frost ~Oct 11.
Planting-window sources: , Clemson Cooperative Extension, Home & Garden Information Center , Colorado State University Extension, Colorado Master Gardener Program , NC State Extension .
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.
3.9 ★ (8 Google reviews) as of 2026-08-06
7125 W 88th Ave, Westminster, CO 80021
Licence: not checked, no CO registry held
4.7 ★ (241 Google reviews) as of 2026-08-06
9660 N Federal Blvd, Westminster, CO 80260
Licence: not checked, no CO registry held
4.9 ★ (162 Google reviews) as of 2026-08-06
8920 Westminster Blvd, Westminster, CO 80031
Licence: not checked, no CO registry held
4.4 ★ (29 Google reviews) as of 2026-08-06
5600 W 88th Ave, Westminster, CO 80031
Licence: not checked, no CO registry held
4.7 ★ (29 Google reviews) as of 2026-08-06
13650 Orchard Pkwy, Westminster, CO 80023
Licence: not checked, no CO registry held
3.9 ★ (1,860 Google reviews) as of 2026-08-06
5600 W 88th Ave, Westminster, CO 80031
Licence: not checked, no CO registry held
3.0 ★ (6 Google reviews) as of 2026-08-06
7155 Sheridan Blvd, Westminster, CO 80003
Licence: not checked, no CO registry held
3.2 ★ (6 Google reviews) as of 2026-08-06
9499 Sheridan Blvd, Westminster, CO 80031
Licence: not checked, no CO registry held
4.3 ★ (6 Google reviews) as of 2026-08-06
200 W 136th Ave, Westminster, CO 80234
Licence: not checked, no CO 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 | 15 | 2 | 1 | 1 | 1 | – | – | – |
| Transplant | – | – | – | 4 | 17 | – | – | – | – | – | – | – |
| Fall planting | – | – | – | – | – | – | – | – | – | – | – | – |
Keep looking nearby
Related guides