When to Plant Leeks in Kendall County, TX
Leeks are a mild, sweet allium that produces long white shanks. They are more refined than onions and are a key ingredient in soups, stews, and gratins.
Kendall County, Texas is in USDA Zone 8a. The average last spring frost is March 9 and the first fall frost is November 20, giving you a growing season of approximately 256 days.
At an elevation of 2,187 feet, Kendall County receives approximately 54.6 inches of rainfall annually with predominantly loam soil. Summer highs average 95°F, so Leeks may need afternoon shade and extra watering during peak heat. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Leeks root diseases.
Kendall County Soil Profile
Soil Type
Loam
Soil pH
6.4-7.4
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.
Soil Compatibility in Kendall County
How your county's soil matches Leeks's growing requirements.
Soil pH
Your soil pH (6.4–7.4) overlaps with Leeks's range (6.0–7.0), though not a perfect match.
Soil Texture
The loam soil in Kendall County is excellent for Leeks — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is moderate (2.1%). Annual compost additions will help Leeks.
How to Plant Leeks
Fall planting: Sow 10 weeks before your first frost date for a fall harvest.
Plant Water Budget
Leeks Planting Timeline — Kendall County, TX
Leeks Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 2 | Feb 2 – Feb 16 |
| Transplant Outdoors | March 9 | Mar 9 – Mar 23 |
| Direct Sow | February 23 | Feb 23 – Mar 16 |
| Fall Sowing | September 11 | Sep 11 – Sep 25 |
| Harvest | June 8 | Jun 8 – Aug 24 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | — |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Harvest |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.8"/week · Natural rainfall sufficient
📅 Days to Maturity
90–150 days
🧪 Soil pH
Needs 6–7 · Your soil: acceptable
🗺️ USDA Zone
Zone 8a
📆 Growing Season
256 days in Kendall County
Growing Tips for Leeks in Kendall County
Direct sow Leeks outdoors after March 09 in Kendall County when soil has warmed and frost danger has passed.
Common pests for Leeks in this region include onion maggots and thrips. Use row covers early in the season and inspect plants weekly.
General growing tips
Start seeds indoors 10-12 weeks before last frost. Transplant into trenches and hill soil around stems as they grow to increase the white portion. Harvest as needed.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Leeks in Other Locations
Frequently Asked Questions
When should I plant Leeks in Kendall County, TX?
Kendall County is in Zone 8a with an average last frost of March 9. Plan your Leeks planting based on this frost date — see the calendar above for exact timing.
What planting zone is Kendall County, TX?
Kendall County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 9 and first fall frost is November 20.
Plan Your Garden with Confidence
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