SiteOne Landscape Supply
249 S Gilbert St
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.
4.6 ★ (8 Google reviews) · as of 2026-08-06
We don't hold a nursery/dealer licensing registry for CO 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
SiteOne Landscape Supply is one of 344 SiteOne locations we list, 7 of them in Colorado. See every SiteOne location. If you are after a particular variety or want growing advice, the closest independent business we list is C&C Sand and Stone Co., 279 ft away. A listing does not show what is in stock. Call before you visit to check plants, sizes and availability.
We list 19 other places within 10 miles in Colorado, 12 of them independent. The closest in Colorado is C&C Sand and Stone Co., 279 ft away.
Our directory has 15 listings in Castle Rock. Compare them on the Castle Rock page.
Growing conditions
- USDA hardiness zone
- 5b
- Avg. minimum winter temp
- -15°F
- Median frost dates
- First ~Oct 2 · Last ~May 9
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (CASTLE ROCK, CO US, 4.9 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
- C&C Sand and Stone Co. Castle Rock, CO 279 ft away
- Plum Creek Garden Market Castle Rock, CO 0.4 mi away
- Sander Ranch Flowers Castle Rock, CO 0.4 mi away
- Tractor Supply Co. Castle Rock, CO 0.4 mi away
- Wild & Blume Flower + Plant Shop Castle Rock, CO 0.5 mi away
- Castle Rock Florist Castle Rock, CO 0.6 mi away
Frequently asked questions
- What type of business is SiteOne Landscape Supply?
- SiteOne Landscape Supply is classified as a big box in Castle Rock, CO.
- What USDA growing zone is SiteOne Landscape Supply in?
- SiteOne Landscape Supply (ZIP 80104) is in USDA hardiness zone 5b, with an average minimum winter temperature of -15°F.
Source: Google Business Profile. Last checked 2026-08-06. See something wrong? Request a correction or removal →