When to plant garlic in San Jose

There is no autumn frost here and the winter is too warm for our late-planting rule, so we give no planting window; the calendar’s default autumn date is 1 October. For planting stock, the places nearby include S. J. Garden Inc. (garden centre, 4 km) and La Herbalista (garden centre, 6 km); addresses and opening hours are below.

Garlic in San Jose: soil, season and weather

There is no autumn frost here and the winter is too warm for our late-planting rule, so we give no planting window; the calendar’s default autumn date is 1 October. No month averages below 0 °C at night; the coldest nights, in February, average 6.1 °C.

Planting	1 October
Coldest nights	February, 6.1 °C
Soil back at 5 °C in spring	already in the first week of January
Harvest (card)	about 8 months after planting: June
Daylight	11:50 on 1 October
Daylight at the winter solstice	9:35

Garlic in San Jose: care after planting

Planted on 1 October: in the first weeks water every 7 days.

Feeding, by the card’s schedule from that day:

1 October — feed: nitrogen
29 October — feed: nitrogen

Pests and diseases of garlic to watch for:

Dates count from the first planting day of the window above; a later planting moves them by as many days.

Garlic in nearby cities

Around San Jose, Carson City is 9 days earlier and Sacramento 41 days later.

City	Distance	Date	Difference
San Francisco	67 km	1 October	same day
Stockton	87 km	3 November – end of December	33 days later
Sacramento	142 km	11 November – end of December	41 days later
Fresno	199 km	5 November – end of December	35 days later
Carson City	274 km	22 September – end of December	9 days earlier
Reno	303 km	28 September – end of December	3 days earlier

Where to buy garlic for planting in San Jose

Within 15 km of San Jose OpenStreetMap lists 11 garden centres, 1 farm-supply shop, 1 plant nursery, 16 markets and 1 farm shop (collected 20 October 2026).

Yamagami's Garden Center — garden centre
South De Anza Boulevard 1361, 95014 Cupertino · Mon–Sun 09:00–18:00 · 13 km · yamagamis.com
La Herbalista — garden centre
Willowhurst Avenue 1618 · Mon–Tue closed; Wed–Sun 10:00–17:00 · 6 km · laherbalista.biz
Momstera Lounge — garden centre
East Campbell Avenue 428 · Mon closed; Tue, Sat 12:00–17:00; Wed 11:30–15:00; Thu 11:30–13:00, 14:30–17:00; Fri 11:30–16:30; Sun 12:00–16:00 · 8 km · momstera.com
S. J. Garden Inc. — garden centre
Monterey Road 1999, 95112 San Jose · 4 km