When to plant Arugula in Lassen County, CA
The best window to plant Arugula in Lassen County, is May 14–June 4, when soil warms to 50°F. Last frost typically hits May 28; first frost September 29. A second sowing from July 21 to August 4 extends the harvest into fall.
When to Plant Arugula in Lassen County, CA
Arugula is a fast-growing cool-season green with a peppery, nutty flavor. It is excellent in salads and can be harvested as baby greens or mature leaves.
Lassen County, California is in USDA Zone 7a. The average last spring frost is May 28 and the first fall frost is September 29, giving you a growing season of approximately 124 days.
At an elevation of 1,854 feet, Lassen County receives approximately 43.7 inches of rainfall annually with predominantly loam soil. Summer highs average 84°F, so choose short-season varieties of Arugula to ensure they mature before fall.
Lassen County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Arugula Planting Timeline — Lassen County, CA
Arugula Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 23 | Apr 23 – May 7 |
| Transplant Outdoors | May 28 | May 28 – Jun 11 |
| Direct Sow | May 14 | May 14 – Jun 4 |
| Harvest | July 2 | Jul 2 – Sep 3 |
| Fall Sowing | July 21 | Jul 21 – Aug 4 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | Start Indoors Transplant Outdoors Direct Sow |
| June | Transplant Outdoors Direct Sow |
| July | Fall Sowing Harvest |
| August | Fall Sowing Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
30–50 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 7a
📆 Growing Season
124 days in Lassen County
Growing Tips for Lassen County
Sow seeds directly every 2-3 weeks for continuous harvest. Provide afternoon shade in warm weather to prevent bolting. Harvest outer leaves first to extend production.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Arugula in Other Locations
Frequently Asked Questions
When should I plant Arugula in Lassen County, CA?
Lassen County is in Zone 7a with an average last frost of May 28. Plan your Arugula planting based on this frost date — see the calendar above for exact timing.
What planting zone is Lassen County, CA?
Lassen County, California is in USDA Hardiness Zone 7a. The average last spring frost is May 28 and first fall frost is September 29.
When should I plant Arugula in Lassen County, CA?
In Lassen County, CA, plant Arugula after the last frost (around May 28) and before the first frost (around September 29). Best results when soil holds above 50°F.
What growing zone is Lassen County, CA for Arugula?
Lassen County sits in USDA Zone 7a. Arugula grows reliably in zones 3a through 11b, so it's a good fit here.
Can Arugula grow in Lassen County's climate?
Yes — Arugula grows well in Lassen County's temperate climate. Lassen County averages a 124-day frost-free season, with last frost around May 28 and first frost around September 29.
Your Lassen County Garden Planner — Free
A 22-page printable planner built for Lassen County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.