When to Plant Arugula in Llano County, TX
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.
Llano County, Texas is in USDA Zone 8a. The average last spring frost is March 19 and the first fall frost is November 13, giving you a growing season of approximately 239 days.
At an elevation of 1,968 feet, Llano County receives approximately 50.4 inches of rainfall annually with predominantly loam soil. Summer highs average 92°F, providing good warmth for Arugula during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Arugula root diseases.
Llano County Soil Profile
Soil Type
Loam
Soil pH
6.2-7.5
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Arugula Planting Timeline — Llano County, TX
Arugula Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 12 | Feb 12 – Feb 26 |
| Transplant Outdoors | March 19 | Mar 19 – Apr 2 |
| Direct Sow | March 5 | Mar 5 – Mar 26 |
| Fall Sowing | September 4 | Sep 4 – Sep 18 |
| Harvest | April 23 | Apr 23 – Jun 25 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Transplant Outdoors Direct Sow |
| April | Transplant Outdoors Harvest |
| May | Harvest |
| June | Harvest |
| July | — |
| August | — |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
30–50 days
Soil pH
6 – 7
USDA Zone
Zone 8a
Growing Season
239 days
Growing Tips for Llano 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
Level Up Your Garden
Arugula in Other Locations
Frequently Asked Questions
When should I plant Arugula in Llano County, TX?
Llano County is in Zone 8a with an average last frost of March 19. Plan your Arugula planting based on this frost date — see the calendar above for exact timing.
What planting zone is Llano County, TX?
Llano County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 19 and first fall frost is November 13.
Plan Your Garden with Confidence
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