Harlequin's Gardens
4795 26th 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.
4.8 ★ (222 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
Harlequin's Gardens is an independent business, not part of a chain we track. A listing does not show what is in stock. Call before you visit to check plants, sizes and availability.
We list 28 other places within 10 miles in Colorado, 19 of them independent. The closest in Colorado is Long's Gardens, 2.1 mi away.
Our directory has 19 listings in Boulder. Compare them on the Boulder page.
Growing conditions
Based on the nearest weather station data available for Boulder, CO: no NOAA station matched closely enough to this business's own ZIP code.
- USDA hardiness zone
- 6a
- Avg. minimum winter temp
- -10°F
- Median frost dates
- First ~Oct 5 · Last ~May 6
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (BOULDER, CO US, 4.1 km away) .
What's plantable right now
Nothing in our crop table has an open planting window for Boulder 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
- Long's Gardens Boulder, CO 2.1 mi away
- Moss Houseplants Boulder, CO 2.2 mi away
- BOULDER GARDENS FLORIST Boulder, CO 2.2 mi away
- Boulder Fermentation Supply Boulder, CO 2.7 mi away
- Sustainable Village Boulder, CO 3.0 mi away
- Fiori Flowers Boulder, CO 3.1 mi away
Frequently asked questions
- What type of business is Harlequin's Gardens?
- Harlequin's Gardens is a nursery or garden center in Boulder, CO; its business type has not been classified.
- What USDA growing zone is Harlequin's Gardens in?
- Harlequin's Gardens (ZIP 80301) is in USDA hardiness zone 6a, with an average minimum winter temperature of -10°F.
Source: Google Business Profile. Last checked 2026-08-06. See something wrong? Request a correction or removal →