Harmony Farm Supply & Nursery - Petaluma
5400 Old Redwood Hwy N
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.
4.9 ★ (31 Google reviews) · as of 2026-08-06
We don't hold a nursery/dealer licensing registry for CA 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
Harmony Farm Supply & Nursery - Petaluma 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 38 other places within 10 miles in California, 31 of them independent. The closest in California is Wilco Farm Store, 0.3 mi away.
Our directory has 10 listings in Petaluma. Compare them on the Petaluma page.
Growing conditions
- USDA hardiness zone
- 9b
- Avg. minimum winter temp
- 25°F
- Median frost dates
- First ~Nov 25 · Last ~Feb 28
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (PETALUMA AP, CA US, 1.6 km away) .
What's plantable right now
Based on this ZIP's median frost dates, last frost ~Feb 28, first frost ~Nov 25.
Start indoors now
- Artichoke · 120–130 days to maturity
Planting-window sources: , Utah State University Cooperative 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.
Nearby nurseries
- Wilco Farm Store Petaluma, CA 0.3 mi away
- E D Wilson Roses, Oddities & Amazing Things at DEW Garden Petaluma, CA 1.1 mi away
- Cottage Gardens of Petaluma, Inc. Petaluma, CA 1.2 mi away
- Devil Mountain Wholesale Nursery - Petaluma Petaluma, CA 1.8 mi away
- Hidden Garden Nursery, Petaluma Petaluma, CA 2.2 mi away
- Landscapes Unlimited Inc Petaluma, CA 2.5 mi away
Frequently asked questions
- What type of business is Harmony Farm Supply & Nursery - Petaluma?
- Harmony Farm Supply & Nursery - Petaluma is a nursery or garden center in Petaluma, CA; its business type has not been classified.
- What USDA growing zone is Harmony Farm Supply & Nursery - Petaluma in?
- Harmony Farm Supply & Nursery - Petaluma (ZIP 94954) is in USDA hardiness zone 9b, with an average minimum winter temperature of 25°F.
- What's plantable near Harmony Farm Supply & Nursery - Petaluma right now?
- Based on ZIP 94954's frost dates, this is a good time to start 1 crop indoors. See the full list above.
Source: Google Business Profile. Last checked 2026-08-06. See something wrong? Request a correction or removal →