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Plant Nurseries & Garden Centers in Boulder, CO

Where to buy plants here

Where to buy plants in Boulder, CO: big-box vs. independent

Boulder, CO has 15 independent nurseries and 2 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

Plus 12 more in the listings below.

Big-box, named

Growing conditions

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

Based on this ZIP's median frost dates, last frost ~May 6, first frost ~Oct 5.

Direct-sow now

  • Basil · 14–75 days to maturity

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.

Independent

Boulder Blooms

4.8 ★ (302 Google reviews) as of 2026-08-06

2935 Baseline Rd Ste 103, Boulder, CO 80303

Licence: not checked, no CO registry held

Call Directions Website
Independent

Clone Source

5.0 ★ (1 Google reviews) as of 2026-08-06

1800 Commerce St, Boulder, CO 80301

Licence: not checked, no CO registry held

Call Directions Website
Independent

Fiori Flowers

4.6 ★ (127 Google reviews) as of 2026-08-06

1926 14th St, Boulder, CO 80302

Licence: not checked, no CO registry held

Call Directions Website
Independent

McGuckin Hardware

4.6 ★ (1,088 Google reviews) as of 2026-08-06

2525 Arapahoe Ave, Boulder, CO 80302

Licence: not checked, no CO registry held

Call Directions
Independent

Sunbeam Farm

4.9 ★ (36 Google reviews) as of 2026-08-06

1005 Cherryvale Rd, Boulder, CO 80303

Licence: not checked, no CO registry held

Directions Website
Big Box Big Box

The Home Depot

4.0 ★ (1,171 Google reviews) as of 2026-08-06

1600 29th St, Boulder, CO 80301

Licence: not checked, no CO registry held

Call Directions Website

Planting calendar

The full year, at a glance

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 1 8 6 – – – – – – – –
Direct-sow – – – 18 15 2 1 1 1 – – –
Transplant – – – 5 17 – – – – – – –
Fall planting – – – – – – – 11 – – – –

Keep looking nearby

Nurseries near Boulder

Related guides

Learn to garden in CO →