Alta Nursery Inc
21750 Alessandro Ave 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.
4.0 ★ (4 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
Alta Nursery Inc 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 25 other places within 10 miles in California, 13 of them independent. The closest in California is California Rubber Mulch, 1.8 mi away.
Our directory has 5 listings in San Jacinto. Compare them on the San Jacinto page.
Growing conditions
- USDA hardiness zone
- 9b
- Avg. minimum winter temp
- 25°F
- Median frost dates
- First ~Dec 10 · Last ~Jan 31
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (SAN JACINTO, CA US, 2.4 km away) .
What's plantable right now
Based on this ZIP's median frost dates, last frost ~Jan 31, first frost ~Dec 10.
Start indoors now
- Artichoke · 120–130 days to maturity
Plant for fall now
- Beets · 55–65 days to maturity
- Broccoli · 65–80 days to maturity
- Brussels Sprouts · 40–50 days to maturity
- Cabbage · 70–85 days to maturity
- Collards · 32–72 days to maturity
- Kale · 50–70 days to maturity
- Kohlrabi · 50–65 days to maturity
- Mustard Greens · 25–50 days to maturity
- Radish · 20–35 days to maturity
- Spinach · 40–60 days to maturity
- Turnip · 50–60 days to maturity
Planting-window sources: , Clemson Cooperative Extension Home & Garden Information Center , Clemson Cooperative Extension Home & Garden Information Center , Colorado State University Extension , University of Missouri Extension , NC State Extension , Purdue Extension (Dept. of Horticulture and Landscape Architecture) , Utah State University Cooperative Extension , Virginia Cooperative Extension, Virginia Tech and Virginia State University .
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
- California Rubber Mulch San Jacinto, CA 1.8 mi away
- VelasCo Materials, Inc. San Jacinto, CA 2.0 mi away
- Walmart Garden Center San Jacinto, CA 2.6 mi away
- Hemet City Florist Hemet, CA 3.7 mi away
- Floral Expressions Hemet, CA 4.1 mi away
- Elite Flowers of Hemet Hemet, CA 4.1 mi away
Frequently asked questions
- What type of business is Alta Nursery Inc?
- Alta Nursery Inc is a nursery or garden center in San Jacinto, CA; its business type has not been classified.
- What USDA growing zone is Alta Nursery Inc in?
- Alta Nursery Inc (ZIP 92583) is in USDA hardiness zone 9b, with an average minimum winter temperature of 25°F.
- What's plantable near Alta Nursery Inc right now?
- Based on ZIP 92583's frost dates, this is a good time to start 1 crop indoors and start 11 fall crops. See the full list above.
Source: Google Business Profile. Last checked 2026-08-06. See something wrong? Request a correction or removal →